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,
- Differential ... ACTH-deficiency • Combined pituitary ... hormone deficiency ... Insufficiency #Differential ... Workup #Algorithm #endocrinology
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Hypercortisolism (Cushing syndrome ... ) - Simplified Differential ... ACTH-secreting pituitary ... #Differential # ... Diagnosis #Algorithm #endocrinology
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
Neoplasias (MEN syndromes ... • Various Pituitary ... path • Acromegaly ... MultipleEndocrineNeoplasia #Differential ... #Endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge - Differential ... Microprolactinoma • Steroid Hormone ... Normal/ Low TSH • Pituitary ... Inhibition • Pituitary ... Diagnosis #Algorithm #Endocrinology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Adrenocorticotropic Hormone ... • MRI of adrenal ... glands, pituitary ... diagnosis #algorithm #endocrinology ... #Adrenal #Hyperfunction
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... • Congenital Adrenal ... Tumor Low Serum Hormone ... #Virilization #Differential ... Diagnosis #Algorithm #endocrinology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Renal failure, ... Other humoral syndromes ... thyrotoxicosis, adrenal ... Hypercalcemia #Causes #Differential ... #Diagnosis #Endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Insufficiency - Differential ... Secondary): • Pituitary ... Polyglandular Autoimmune Syndrome ... Insufficiency #AI #Differential ... Algorithm #Causes #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... • Chronic Renal ... Tumor lysis syndrome ... #Hypocalcemia #Differential ... #endocrinology