16 results
The principal endocrine 'axes' and glands. Parathyroid glands, adrenal zona glomerulosa and endocrine pancreas are not
Parathyroid glands, adrenal ... controlled by the pituitary ... gonadotrophin-releasing hormone ... Endocrine #Axes #Endocrinology ... #Pathophysiology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Diagnosis Workup Algorithm ... ACTH-deficiency • Combined pituitary ... hormone deficiency ... Diagnosis #Workup #Algorithm ... #endocrinology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
common), growth hormone ... ) the anterior hormones ... Signs / Symptoms ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Testing Algorithm ... Adrenocorticotropic Hormone ... • MRI of adrenal ... glands, pituitary ... #endocrinology
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Hypercortisolism (Cushing syndrome ... Differential Diagnosis Algorithm ... ACTH-secreting pituitary ... hyperplasia - Adrenal ... #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Microprolactinoma • Steroid Hormone ... Normal/ Low TSH • Pituitary ... Inhibition • Pituitary ... #Endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Differential Diagnosis Algorithm ... ADRENAL EXCESS ... Tumor Low Serum Hormone ... Differential #Diagnosis #Algorithm ... #endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Differential Diagnosis Algorithm ... Secondary): • Pituitary ... Polyglandular Autoimmune Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
(GH) Growth Hormone ... activates lipolysis Signs ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Growth Hormone Excess ... Carpal Tunnel Syndrome ... Overproduction #diagnosis #signs ... #symptoms #endocrinology ... #pathophysiology