{ "schemaVersion": 2, "eyebrow": "Endocrinology", "title": "Hypopituitarism", "summary": "Evaluate suspected hypopituitarism with paired pituitary-target hormone testing, prioritize central adrenal insufficiency, image structural disease, and replace deficient axes in an order that avoids precipitating adrenal crisis.", "seoDescription": "Point-of-care approach to diagnosing and managing adult hypopituitarism, including cortisol thresholds, pituitary testing, imaging, and hormone replacement.", "clinicalQuestion": "How should clinicians confirm pituitary hormone deficiencies, identify structural causes, and sequence hormone replacement safely?", "specialty": "Endocrinology", "audience": "U.S. physicians and medical trainees", "tags": [ "hypopituitarism", "panhypopituitarism", "central adrenal insufficiency", "central hypothyroidism", "pituitary mass", "pituitary hormone replacement" ], "keyTakeaways": [ "Obtain an 8–9 AM serum cortisol first when central adrenal insufficiency is suspected; a very low value (<3–4 µg/dL) or high value (>15–16 µg/dL) can obviate stimulation testing in many cases. [5][16]", "Interpret target-gland hormones with their trophic hormones: low free T4 with a low, normal, or otherwise inappropriately non-elevated TSH supports central hypothyroidism. [15][17]", "Treat suspected or confirmed central adrenal insufficiency before initiating thyroid hormone replacement, particularly in acute illness or severe multiaxial deficiency. [20]", "A sellar lesion abutting the optic nerves or chiasm warrants formal visual-field testing; visual deficit, compressive neurologic findings, apoplexy with visual disturbance, or most hypersecreting tumors warrant surgical referral. [14]", "In adults with pituitary disease, evaluate cortisol, free T4/TSH, gonadal hormones, prolactin, and IGF-1; add serum and urine osmolality when polyuria or polydipsia suggests diabetes insipidus. [6]" ], "sections": [ { "id": "urgent-triage", "eyebrow": "Immediate decisions", "heading": "Identify adrenal insufficiency and compressive pituitary emergencies first", "intro": "Do not defer treatment while completing a full anterior-pituitary evaluation when adrenal failure is plausible.", "paragraphs": [ "Prioritize central adrenal insufficiency in patients with known sellar disease, recent pituitary surgery, pituitary apoplexy, cranial irradiation, traumatic brain injury, or multiple biochemical pituitary deficits. Compressive growth or ablation of a pituitary or hypothalamic mass is the most common overall cause of hypopituitarism. [1][4] Draw serum cortisol at 8–9 AM before glucocorticoid administration when this does not delay urgent care. [5][16]", "For a stable outpatient, an 8–9 AM cortisol <3–4 µg/dL strongly supports ACTH deficiency, whereas a value >15–16 µg/dL makes it unlikely; intermediate results require dynamic assessment when diagnostic certainty is needed. [16] Acceptable confirmatory approaches include ACTH stimulation, metyrapone, corticotropin-releasing hormone testing, or insulin-induced hypoglycemia; the insulin tolerance test has historically been considered the reference test. [16]", "In acute illness with suspected adrenal insufficiency, administer stress-dose hydrocortisone rather than awaiting dynamic testing. A reported replacement approach in panhypopituitarism used hydrocortisone 50 mg four times daily before subsequent thyroid hormone replacement. [20] In a patient with a pituitary lesion and acute headache, ophthalmoplegia, visual symptoms, or neurologic compromise, evaluate urgently for pituitary apoplexy and obtain specialty input; apoplexy with visual disturbance is a surgical-referral indication. [12][14]" ], "bullets": [ "Before glucocorticoids when feasible: obtain 8–9 AM cortisol; pair with ACTH if the laboratory result can be obtained without delaying treatment. [5][16]", "After glucocorticoids are started: document timing and agent because subsequent cortisol-based testing may be uninterpretable until an endocrinology-directed reassessment. [5]", "Do not start thyroid hormone before addressing suspected central adrenal insufficiency in a severely deficient or acutely ill patient. [20]" ], "subsections": [], "table": { "caption": "Initial triage actions for suspected hypopituitarism. [5][14][16][20]", "columns": [ "Clinical setting", "Immediate action", "Result or finding that changes next step" ], "rows": [ [ "Stable suspected central adrenal insufficiency", "Measure 8–9 AM serum cortisol; use dynamic testing if the result is indeterminate. [5][16]", "Cortisol <3–4 µg/dL supports deficiency; >15–16 µg/dL makes deficiency unlikely. [16]" ], [ "Acute illness with plausible adrenal insufficiency", "Obtain cortisol if it does not delay treatment, then give stress-dose hydrocortisone. [20]", "Stabilize first; complete etiologic and axis testing after acute management. [20]" ], [ "Sellar lesion with visual or neurologic compression", "Arrange formal visual-field assessment and surgical referral. [14]", "Visual-field deficit, ophthalmoplegia, neurologic compromise, lesion abutting optic structures, or apoplexy with visual disturbance meets referral criteria. [14]" ] ] } }, { "id": "initial-axis-testing", "eyebrow": "Diagnostic workup", "heading": "Order paired basal pituitary and target-hormone tests", "intro": "Basal testing identifies most anterior-pituitary deficiencies except ACTH and growth hormone deficiency.", "paragraphs": [ "For suspected acquired hypopituitarism, obtain a morning fasting pituitary panel rather than interpreting isolated trophic hormones: cortisol with ACTH, free T4 with TSH, LH/FSH with total testosterone in men or estradiol in selected premenopausal women, prolactin, and IGF-1. [6][16] Basal measurements are generally sufficient for axes other than ACTH and growth hormone; combined “cocktail” testing is rarely needed. [16]", "Diagnose central hypothyroidism from free T4 rather than TSH alone. A decreased T4/T3 with decreased or non-elevated TSH is the expected pattern in TSH deficiency. [15] Severe nonthyroidal illness can also produce low thyroxine with normal TSH; concomitant abnormalities in ACTH, prolactin, LH, or FSH favor hypopituitarism over isolated sick-euthyroid physiology. [17]", "For central hypogonadism, low testosterone or estradiol with normal or low LH/FSH is an inappropriately weak gonadotropin response. [15] In premenopausal women with normal menses or those receiving oral contraceptives, estradiol measurement is not routinely needed for screening. [6] A low IGF-1 supports growth hormone deficiency but does not exclude it when normal; dynamic testing is required when the diagnosis would change management. [6][15]", "Ask specifically about polyuria and polydipsia. If present, add serum sodium plus serum and urine osmolality to evaluate posterior-pituitary involvement. [6] Diabetes insipidus alongside anterior-pituitary deficits should redirect the etiologic evaluation toward hypothalamic-stalk processes rather than an isolated anterior-pituitary syndrome. [3][4]" ], "bullets": [ "Use free T4, not TSH, to follow suspected central hypothyroidism. [15][17]", "Do not exclude growth hormone deficiency solely because IGF-1 is within the reference interval. [6]", "Add prolactin to the initial panel because it helps characterize pituitary-stalk and hyperprolactinemic disorders. [6]", "Add serum sodium and paired serum/urine osmolality when thirst or high-volume urine output is present. [6]" ], "subsections": [], "table": { "caption": "Biochemical patterns that support specific pituitary-axis deficiencies. [6][15][16][17]", "columns": [ "Axis", "Initial test pattern", "Next action" ], "rows": [ [ "ACTH-cortisol", "8–9 AM cortisol <3–4 µg/dL supports deficiency; >15–16 µg/dL makes it unlikely. [16]", "Use ACTH stimulation, metyrapone, CRH testing, or insulin tolerance testing for indeterminate results when confirmation is required. [16]" ], [ "TSH-thyroid", "Low T4/T3 with low or non-elevated TSH. [15]", "Assess other pituitary axes and clinical context, especially severe systemic illness. [17]" ], [ "LH/FSH-gonadal", "Low testosterone or estradiol with normal or low LH/FSH. [15]", "Confirm central pattern and investigate pituitary-hypothalamic disease. [15][16]" ], [ "Growth hormone", "Low IGF-1 supports deficiency, but normal IGF-1 does not exclude it. [6][15]", "Use dynamic testing when diagnosis will direct treatment. [6][16]" ], [ "Posterior pituitary", "Polyuria/polydipsia with serum sodium and serum/urine osmolality abnormalities. [6]", "Evaluate for central diabetes insipidus and hypothalamic-stalk pathology. [3][6]" ] ] } }, { "id": "etiologic-localization", "eyebrow": "Cause-directed evaluation", "heading": "Localize structural disease and identify acquired injury patterns", "intro": "Etiology determines whether surveillance, surgery, or directed endocrine follow-up is needed.", "paragraphs": [ "Obtain pituitary-directed imaging when biochemical testing or clinical context suggests central pituitary-hypothalamic dysfunction. The leading etiologic branch is compression or ablation by a pituitary or hypothalamic mass. [1] In a pituitary incidentaloma, complete history and examination, screen for both hormone hypersecretion and hypopituitarism, and obtain a visual-field examination when the lesion abuts the optic nerves or chiasm. [14]", "Refer for neurosurgical assessment when an incidentaloma produces a visual-field deficit, ophthalmoplegia or other visual abnormality from compression, neurologic compromise, chiasmal/optic-nerve abutment, pituitary apoplexy with visual disturbance, or hypersecretion from a tumor other than prolactinoma. [14] This referral threshold is based on compressive risk, not the number of hormonal deficits.", "When imaging does not show a compressive mass, reconstruct the chronology of cranial surgery, radiation, traumatic brain injury, and systemic or genetic disease. Traumatic brain injury and genetic causes are recognized less common etiologies. [4][11] New polyuria-polydipsia, diabetes insipidus, or both anterior and posterior pituitary dysfunction should heighten concern for hypothalamic or stalk disease. [3][4]" ], "bullets": [ "For a pituitary incidentaloma: screen for hormone hypersecretion and hypopituitarism even if discovered outside an endocrine evaluation. [14]", "For chiasmal or optic-nerve abutment: order formal visual-field testing even without reported visual symptoms. [14]", "For prior head injury: retain hypopituitarism in the differential when unexplained endocrine deficits emerge during follow-up. [4][11]" ], "subsections": [], "table": null }, { "id": "replacement-sequencing", "eyebrow": "Long-term management", "heading": "Replace deficient axes in a sequence that prevents adrenal decompensation", "intro": "Replacement aims to restore physiologic hormone exposure while avoiding chronic over-replacement.", "paragraphs": [ "Replace glucocorticoid deficiency before thyroid hormone deficiency when both are present or when adrenal reserve is uncertain. This sequencing is especially important during acute illness and in panhypopituitarism; reported acute management used stress-dose hydrocortisone before thyroid hormone therapy. [20] The Endocrine Society guideline addresses hormone replacement, prevention of under- and over-replacement, and management around surgery, pregnancy, and pituitary apoplexy. [5][12]", "Use free T4 rather than TSH to assess adequacy of thyroid-axis replacement in central hypothyroidism because TSH may remain low or normal despite inadequate circulating thyroxine. [15][17] Reassess thyroid replacement after glucocorticoid treatment has begun and after changes in estrogen or growth hormone therapy, because pituitary replacement regimens can interact across axes. [5][10]", "For hypogonadism and growth hormone deficiency, confirm the deficit and define treatment goals after adrenal and thyroid deficiencies have been addressed. [5][16] A normal IGF-1 should not be used as the sole basis to withhold further assessment when clinical suspicion of adult growth hormone deficiency remains high. [6]", "At each follow-up, evaluate for both untreated deficiency and over-replacement rather than relying on symptoms alone. The adult guideline specifically emphasizes therapeutic decisions that reduce comorbidity from hormone under-replacement and over-replacement. [5][8] Coordinate reassessment around pituitary surgery, nonpituitary operations, pregnancy, antiepileptic therapy, and apoplexy because these settings require modified management. [5][12]" ], "bullets": [ "Sequence: establish adrenal coverage first, then treat central hypothyroidism; subsequently individualize gonadal and growth hormone management. [20][5]", "Monitor central hypothyroidism with free T4 rather than TSH. [15][17]", "Revisit every axis after pituitary surgery, apoplexy, pregnancy, or other major clinical transitions. [5][12]" ], "subsections": [], "table": { "caption": "Replacement priorities in multiaxial hypopituitarism. [5][12][15][17][20]", "columns": [ "Priority", "Management decision", "Monitoring implication" ], "rows": [ [ "1. Adrenal axis", "Give glucocorticoid replacement or stress-dose treatment when central adrenal insufficiency is suspected or confirmed. [20]", "Interpret subsequent cortisol testing in light of administered glucocorticoids. [5]" ], [ "2. Thyroid axis", "Initiate thyroid hormone replacement only after adrenal insufficiency has been addressed. [20]", "Use free T4 rather than TSH to assess central hypothyroidism. [15][17]" ], [ "3. Gonadal and growth hormone axes", "Confirm deficiency and individualize replacement after initial life-preserving axes are treated. [5][16]", "Normal IGF-1 does not exclude growth hormone deficiency. [6]" ] ] } }, { "id": "monitoring-and-escalation", "eyebrow": "Follow-up", "heading": "Use changing deficits, visual findings, and treatment context to trigger reassessment", "intro": "New findings should prompt reassessment of both lesion behavior and hormone requirements.", "paragraphs": [ "Repeat pituitary-axis assessment when symptoms evolve, a new pituitary lesion is identified, or treatment context changes after surgery, apoplexy, pregnancy, or exposure to medications such as antiepileptic drugs. [5][12] Follow the thyroid axis with free T4, not TSH, and reassess adrenal reserve with an appropriate cortisol-based strategy when clinically indicated. [5][15][17]", "Escalate urgently for newly impaired visual fields, ophthalmoplegia, neurologic compromise, or visual symptoms accompanying suspected apoplexy. These are recognized indications for surgical referral in patients with pituitary lesions. [14] In patients with polyuria-polydipsia or unexplained dysnatremia, repeat serum sodium and serum/urine osmolality rather than attributing symptoms solely to anterior-pituitary replacement. [6]", "Because presentation may be insidious and deficits may involve several axes, document the baseline biochemical phenotype before definitive lesion treatment whenever feasible, then reassess after intervention. [16] This establishes which abnormalities are attributable to preexisting pituitary dysfunction and which require ongoing replacement surveillance." ], "bullets": [ "New visual complaints or cranial nerve findings: obtain urgent ophthalmologic/neurosurgical assessment. [14]", "New thirst, polyuria, or sodium abnormality: repeat serum sodium and paired serum/urine osmolality. [6]", "After pituitary surgery or apoplexy: reassess hormone replacement needs rather than assuming pre-event dosing remains appropriate. [5][12]" ], "subsections": [], "table": null } ], "faq": [], "references": [ { "number": 1, "title": "Hypopituitarism - The Lancet", "detail": "www.thelancet.com", "url": "https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(24)00342-8/abstract", "authors": "www.thelancet.com", "host": "www.thelancet.com" }, { "number": 2, "title": "Hyponatremia in Hypopituitarism | New England Journal of Medicine", "detail": "www.nejm.org", "url": "https://www.nejm.org/doi/full/10.1056/NEJM196504152721504", "authors": "www.nejm.org", "host": "www.nejm.org" }, { "number": 3, "title": "Central Diabetes Insipidus in Children and Young Adults", "detail": "www.nejm.org", "url": "https://www.nejm.org/doi/full/10.1056/NEJM200010053431403", "authors": "www.nejm.org", "host": "www.nejm.org" }, { "number": 4, "title": "Pituitary diseases | Nature Reviews Endocrinology", "detail": "www.nature.com", "url": "https://www.nature.com/subjects/pituitary-diseases/nrendo", "authors": "www.nature.com", "host": "www.nature.com" }, { "number": 5, "title": "Hormonal Replacement in Hypopituitarism in Adults: An Endocrine Society Clinical Practice Guideline", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article/101/11/3888/2764912", "authors": "academic.oup.com", "host": "academic.oup.com" }, { "number": 6, "title": "Pituitary Function Test - an overview | ScienceDirect Topics", "detail": "www.sciencedirect.com", "url": "https://www.sciencedirect.com/topics/medicine-and-dentistry/pituitary-function-test", "authors": "www.sciencedirect.com", "host": "www.sciencedirect.com" }, { "number": 7, "title": "Pituitary Dwarfism - an overview | ScienceDirect Topics", "detail": "www.sciencedirect.com", "url": "https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/pituitary-dwarfism", "authors": "www.sciencedirect.com", "host": "www.sciencedirect.com" }, { "number": 8, "title": "Hormonal Replacement in Hypopituitarism in Adults: An Endocrine ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article-pdf/101/11/3888/10526565/jcem3888.pdf", "authors": "academic.oup.com", "host": "academic.oup.com" }, { "number": 9, "title": "Management of Pituitary Hormone Replacement Through Transition", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article/107/7/2077/6545464", "authors": "academic.oup.com", "host": "academic.oup.com" }, { "number": 10, "title": "GH replacement in adults: interactions with other pituitary hormone ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/ejendo/article/161/Supplement_1/S85/6676318", "authors": "academic.oup.com", "host": "academic.oup.com" }, { "number": 11, "title": "[PDF] NG232 Head injury: assessment and early management - NICE", "detail": "www.nice.org.uk", "url": "https://www.nice.org.uk/guidance/ng232/evidence/n-identification-of-hypopituitarism-when-to-investigate-pdf-470200473113", "authors": "www.nice.org.uk", "host": "www.nice.org.uk" }, { "number": 12, "title": "Hormone Replacement in Hypopituitarism Guideline Resources | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/clinical-practice-guidelines/hormone-replacement-in-hypopituitarism", "authors": "www.endocrine.org", "host": "www.endocrine.org" }, { "number": 13, "title": "Endocrine Society Experts Issue Clinical Practice Guideline on Hypopituitarism | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/news-and-advocacy/news-room/2016/endocrine-society-experts-issue-clinical-practice-guideline-on-hypopituitarism", "authors": "www.endocrine.org", "host": "www.endocrine.org" }, { "number": 14, "title": "Pituitary Incidentaloma | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/clinical-practice-guidelines/pituitary-incidentaloma", "authors": "www.endocrine.org", "host": "www.endocrine.org" }, { "number": 15, "title": "Table 3, Tests Used in the Diagnosis of Hypopituitarism - Endotext - NCBI Bookshelf", "detail": "www.ncbi.nlm.nih.gov", "url": "https://www.ncbi.nlm.nih.gov/books/NBK279063/table/hypopituitarism.testforhor", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov" }, { "number": 16, "title": "Diagnosis and Treatment of Hypopituitarism - PMC", "detail": "www.ncbi.nlm.nih.gov", "url": "http://www.ncbi.nlm.nih.gov/pmc/articles/4722397", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov" }, { "number": 17, "title": "Abbreviated Tests of Endocrine Function - Clinical Methods - NCBI Bookshelf", "detail": "www.ncbi.nlm.nih.gov", "url": "https://www.ncbi.nlm.nih.gov/books/NBK704", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov" }, { "number": 18, "title": "Adrenal Dysfunction (Chapter 211) - AAP Publications", "detail": "publications.aap.org", "url": "https://publications.aap.org/pediatriccare/book/348/chapter/5776215/Adrenal-Dysfunction-Chapter-211", "authors": "publications.aap.org", "host": "publications.aap.org" }, { "number": 19, "title": "ADRENAL DYSFUNCTION - AAP Publications", "detail": "publications.aap.org", "url": "https://publications.aap.org/books/chapter-pdf/1337960/aap_9781610020473-part07-ch211.pdf", "authors": "publications.aap.org", "host": "publications.aap.org" }, { "number": 20, "title": "Corticosteroids Replacement in a Patient With Panhypopituitarism ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/jes/article/5/Supplement_1/A578/6242178", "authors": "academic.oup.com", "host": "academic.oup.com" }, { "number": 21, "title": "6693 Hypopituitarism in Pregnancy | Journal of the Endocrine Society", "detail": "academic.oup.com", "url": "https://academic.oup.com/jes/article/8/Supplement_1/bvae163.1611/7812246", "authors": "academic.oup.com", "host": "academic.oup.com" } ], "editorialNote": "Prepared from cited clinical literature using Astra's research workflow. Verify recommendations against current guidance and patient-specific factors.", "citations": [ { "number": 1, "title": "Hypopituitarism - The Lancet", "detail": "www.thelancet.com", "url": "https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(24)00342-8/abstract", "authors": "www.thelancet.com", "host": "www.thelancet.com", "snippet": "The most common cause is compressive growth or ablation of a pituitary or hypothalamic mass. Less common causes include genetic mutations,", "score": 0.48762518 }, { "number": 2, "title": "Hyponatremia in Hypopituitarism | New England Journal of Medicine", "detail": "www.nejm.org", "url": "https://www.nejm.org/doi/full/10.1056/NEJM196504152721504", "authors": "www.nejm.org", "host": "www.nejm.org", "snippet": "In all patients the diagnosis of panhypopituitarism was established by determinations of pituitary gonadotrophins, protein-bound iodine, I131 response to", "score": 0.14695458 }, { "number": 3, "title": "Central Diabetes Insipidus in Children and Young Adults", "detail": "www.nejm.org", "url": "https://www.nejm.org/doi/full/10.1056/NEJM200010053431403", "authors": "www.nejm.org", "host": "www.nejm.org", "snippet": "Necrotizing infundibulo-hypophysitis: a unique syndrome of diabetes insipidus and hypopituitarism. J Clin Endocrinol Metab 1993;76:1499-1504.", "score": 0.11845669 }, { "number": 4, "title": "Pituitary diseases | Nature Reviews Endocrinology", "detail": "www.nature.com", "url": "https://www.nature.com/subjects/pituitary-diseases/nrendo", "authors": "www.nature.com", "host": "www.nature.com", "snippet": "This Review summarizes current knowledge on non-classic and less common causes of hypopituitarism, such as traumatic brain injury, genetic", "score": 0.96329 }, { "number": 5, "title": "Hormonal Replacement in Hypopituitarism in Adults: An Endocrine Society Clinical Practice Guideline", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article/101/11/3888/2764912", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Title: Hormonal Replacement in Hypopituitarism in Adults: An Endocrine Society Clinical Practice Guideline\n* Journal of the Endocrine Society. * Why Publish with The Journal of Clinical Endocrinology & Metabolism? # Hormonal Replacement in Hypopituitarism in Adults: An Endocrine Society Clinical", "score": 0.7936730651021251 }, { "number": 6, "title": "Pituitary Function Test - an overview | ScienceDirect Topics", "detail": "www.sciencedirect.com", "url": "https://www.sciencedirect.com/topics/medicine-and-dentistry/pituitary-function-test", "authors": "www.sciencedirect.com", "host": "www.sciencedirect.com", "snippet": "A complete pituitary function test should be ordered at baseline. Testing includes insulin-like growth factor-1 (IGF-1) as a marker of growth hormone secretion, luteinizing hormone (LH), and follicle-stimulating hormone (FSH) with either testosterone in male or estradiol in selected premenopausal wo", "score": 0.6493346 }, { "number": 7, "title": "Pituitary Dwarfism - an overview | ScienceDirect Topics", "detail": "www.sciencedirect.com", "url": "https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/pituitary-dwarfism", "authors": "www.sciencedirect.com", "host": "www.sciencedirect.com", "snippet": "Title: Pituitary Dwarfism - an overview | ScienceDirect Topics\n: In young dogs, the term *hypopituitarism* is used to describe growth hormone (GH) deficiency, with or without loss of other pituitary hormones (pituitary or endocrine dwarfism). : Selective GH deficiency in the adult dog, with norm", "score": 0.3396748 }, { "number": 8, "title": "Hormonal Replacement in Hypopituitarism in Adults: An Endocrine ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article-pdf/101/11/3888/10526565/jcem3888.pdf", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Recently published evidence indicates that pituitary hormonal deficits managed with the currently used replacement protocols (including non- supraphysiological", "score": 0.97625 }, { "number": 9, "title": "Management of Pituitary Hormone Replacement Through Transition", "detail": "academic.oup.com", "url": "https://academic.oup.com/jcem/article/107/7/2077/6545464", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Abstract. Hypopituitarism in childhood is a rare, complex disorder that can present with highly variable phenotypes, which may continue into adult life.", "score": 0.97511 }, { "number": 10, "title": "GH replacement in adults: interactions with other pituitary hormone ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/ejendo/article/161/Supplement_1/S85/6676318", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Whether current therapy of sex steroid replacement therapy affects the clinical consequences of hypopituitarism and affects the phenotype of severe GHD is", "score": 0.9747 }, { "number": 11, "title": "[PDF] NG232 Head injury: assessment and early management - NICE", "detail": "www.nice.org.uk", "url": "https://www.nice.org.uk/guidance/ng232/evidence/n-identification-of-hypopituitarism-when-to-investigate-pdf-470200473113", "authors": "www.nice.org.uk", "host": "www.nice.org.uk", "snippet": "National Institute for Health and Care Excellence Final Head Injury: assessment and early management [N] Evidence reviews for identification of hypopituitarism (when to investigate) NICE guideline NG232 Evidence reviews underpinning recommendations 1.9.6 to 1.9.8 and 1.10.13 to 1.10.15 a research re", "score": 0.95087 }, { "number": 12, "title": "Hormone Replacement in Hypopituitarism Guideline Resources | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/clinical-practice-guidelines/hormone-replacement-in-hypopituitarism", "authors": "www.endocrine.org", "host": "www.endocrine.org", "snippet": "# Hormone Replacement in Hypopituitarism Guideline Resources. **Full Guideline: Hormonal Replacement in Hypopituitarism in Adults. **Co-Sponsoring Organizations:** The American Association for Clinical Chemistry, The Pituitary Society, and the European Society of Endocrinology. #### Hormonal Replace", "score": 0.887569908 }, { "number": 13, "title": "Endocrine Society Experts Issue Clinical Practice Guideline on Hypopituitarism | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/news-and-advocacy/news-room/2016/endocrine-society-experts-issue-clinical-practice-guideline-on-hypopituitarism", "authors": "www.endocrine.org", "host": "www.endocrine.org", "snippet": "# Endocrine Society Experts Issue Clinical Practice Guideline on Hypopituitarism. The Endocrine Society today issued a Clinical Practice Guideline that recommends treating insufficient hormone levels in individuals with hypopituitarism by replacing hormones at levels as close to the body’s natural p", "score": 0.8357401107373905 }, { "number": 14, "title": "Pituitary Incidentaloma | Endocrine Society", "detail": "www.endocrine.org", "url": "https://www.endocrine.org/clinical-practice-guidelines/pituitary-incidentaloma", "authors": "www.endocrine.org", "host": "www.endocrine.org", "snippet": "**Full Guideline: Pituitary Incidentaloma: An Endocrine Society Clinical Practice Guideline. The aim was to formulate practice guidelines for endocrine evaluation and treatment of pituitary incidentalomas. * We recommend that patients with a pituitary incidentaloma undergo a complete history and phy", "score": 0.6696010936080665 }, { "number": 15, "title": "Table 3, Tests Used in the Diagnosis of Hypopituitarism - Endotext - NCBI Bookshelf", "detail": "www.ncbi.nlm.nih.gov", "url": "https://www.ncbi.nlm.nih.gov/books/NBK279063/table/hypopituitarism.testforhor", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov", "snippet": "View in own window\n\n| | |\n --- |\n| Test for Hormonal Deficiency | Expected Result if Deficient |\n| ACTH | |\n| 8:00 AM Cortisol | <20 µg/dl |\n| Insulin Tolerance (0.1U/Kg) | Cortisol <20µg/dl |\n| ACTH Stimulation (250 µg) | Cortisol <20 µg/dl\\ |\n| Metyrapone stimulation test | ACTH <75pg/mL |\n| TS", "score": 0.77055156 }, { "number": 16, "title": "Diagnosis and Treatment of Hypopituitarism - PMC", "detail": "www.ncbi.nlm.nih.gov", "url": "http://www.ncbi.nlm.nih.gov/pmc/articles/4722397", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov", "snippet": "## DIAGNOSIS\n\nThe diagnosis of hypopituitarism is made by measuring basal hormone levels in the morning fasting status or performing stimulation tests if necessary. Six anterior pituitary hormones (GH, prolactin, LH, FSH, TSH, and ACTH) as well as target hormones can be measured via sensitive and re", "score": 0.7474137 }, { "number": 17, "title": "Abbreviated Tests of Endocrine Function - Clinical Methods - NCBI Bookshelf", "detail": "www.ncbi.nlm.nih.gov", "url": "https://www.ncbi.nlm.nih.gov/books/NBK704", "authors": "www.ncbi.nlm.nih.gov", "host": "www.ncbi.nlm.nih.gov", "snippet": "#### Sick Euthyroid Syndrome\n\nIn severely ill but euthyroid patients, thyroxin may be depressed and TSH is normal. This profile is also consistent with secondary hypothyroidism caused by hypopituitarism. Differentiation of the sick euthyroid patient from the one with secondary hypothyroidism is ofte", "score": 0.43640643 }, { "number": 18, "title": "Adrenal Dysfunction (Chapter 211) - AAP Publications", "detail": "publications.aap.org", "url": "https://publications.aap.org/pediatriccare/book/348/chapter/5776215/Adrenal-Dysfunction-Chapter-211", "authors": "publications.aap.org", "host": "publications.aap.org", "snippet": "Panhypopituitarism, or … the physician may elicit a history of head trauma or cranial surgery with resulting pituitary injury.34. Pituitary Pituitary tumor", "score": 0.24594016 }, { "number": 19, "title": "ADRENAL DYSFUNCTION - AAP Publications", "detail": "publications.aap.org", "url": "https://publications.aap.org/books/chapter-pdf/1337960/aap_9781610020473-part07-ch211.pdf", "authors": "publications.aap.org", "host": "publications.aap.org", "snippet": "Pituitary hormone deficiency, Panhypopituitarism, or deficiency of 2 or more pituitary hormones, Anatomic abnormalities in the pituitary … the physi- cian may", "score": 0.14188701 }, { "number": 20, "title": "Corticosteroids Replacement in a Patient With Panhypopituitarism ...", "detail": "academic.oup.com", "url": "https://academic.oup.com/jes/article/5/Supplement_1/A578/6242178", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Treatment with stress dose steroids, Hydrocortisone 50 mg 4 times daily was initiated, followed by thyroid hormone replacement with", "score": 0.96888 }, { "number": 21, "title": "6693 Hypopituitarism in Pregnancy | Journal of the Endocrine Society", "detail": "academic.oup.com", "url": "https://academic.oup.com/jes/article/8/Supplement_1/bvae163.1611/7812246", "authors": "academic.oup.com", "host": "academic.oup.com", "snippet": "Complications of hypopituitarism in pregnancy stem from inadequate production of thyroid stimulating hormone, growth hormone, gonadotropins and", "score": 0.96058 } ], "publishedAt": "2026-09-16T00:25:03.120256+00:00", "updatedAt": "2026-09-16T00:25:03.120256+00:00", "readingMinutes": 6, "slug": "hypopituitarism" }