480 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
of Primary and Secondary ... by age 16 with secondary ... • Central - Pituitary ... estrogen: • Pituitary ... Prolactin • Pituitary
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... sarcoidosis) Pituitary ... Prolactin: • Pituitary ... • Hypothalamic-Pituitary ... Cervical stenosis #Secondary
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Primary vs Secondary ... Secondary AI = the ... pituitary gland ... ucsdim #Primary #Secondary
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
or tuberculosis Secondary ... ACTH-deficiency • Combined pituitary
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
ACTH-Dependent (Secondary ... ): • Pituitary
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Secondary hyperthyroidism ... production by the pituitary
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
antibody test Secondary ... test - If the secondary ... secretion; in chronic secondary ... hypothalamus or pituitary ... deficiency (from the pituitary
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
T3 → Central (secondary ... Hyperthyroidism → MRI Pituitary
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Differentiate primary vs secondary ... consistent with secondary ... . problem with pituitary
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
Acromegaly occurs secondary ... - GH-secreting pituitary ... (Up to 30% of pituitary ... • Pituitary ... mass effect • Pituitary