798 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
- FSH from pituitary ... - LH from pituitary ... LH release from pituitary ... not implant #MenstrualCycle
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
The Hypothalamic-Pituitary-Ovarian ... hypothalamus and anterior pituitary ... hypothalamus and anterior pituitary ... #MenstrualCycle
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Diagnosis Algorithm Primary ... • Central - Pituitary ... estrogen: • Pituitary ... Obstruction #Primary
Nipple Discharge - Galactorrhea - Differential Diagnosis Algorithm

↑ TSH - Primary hypothyroidism
↑ ß-HCG - Pregnancy
↑ Creatinine
Algorithm ↑ TSH - Primary ... failure MRI of pituitary
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Workup Algorithm Primary ... • Autoimmune primary ... ACTH-deficiency • Combined pituitary
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Normal/ Low TSH • Pituitary ... Inhibition • Pituitary ... + High TSH • Primary
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Sellar / Pituitary ... Algorithm Adenoma - Primary ... Anterior Pituitary ... #SellarMass #Pituitary
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
production by pituitary ... back on anterior pituitary ... production by pituitary ... feeds back on pituitary ... #MenstrualCycle
Multiple Endocrine Neoplasia Type 1 (MEN 1)
 • Primary Hyperparathyroidism
 • Pituitary Adenoma
 • Pancreatic /
Type 1 (MEN 1) • Primary ... Hyperparathyroidism • Pituitary
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... for clarity) #MenstrualCycle