15 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
- FSH from pituitary ... from pituitary ... release from pituitary ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
masses of all sizes ... following order; GH, LH ... Headaches • Nausea ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... causes: • Increased ... 36 hours after LH ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Sellar / Pituitary ... Primary Anterior Pituitary ... • TSH • LH ... Diagnosis #Algorithm #endocrinology ... #causes
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 ... to Increased LH ... MenstrualCycle #pathophysiology ... HypothalamicPituitary #endocrinology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
secretion -> Decr FSH/LH ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
malignancy Pathophysiology ... adenoma, ↓(TFT, LH ... or refractory cases ... #Endocrinology ... #Treatment #Pathophysiology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
Production and Drainage ... 10-21 mmHg) AH ... % of flow) -> AH ... AqueousHumor #Production #Drainage ... #flow #Pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
production by pituitary ... , and 2) helps LH ... Incr number of LH ... #OvarianCycle #pathophysiology ... FollicularPhase #endocrinology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH ... ) Pathophysiology ... Drugs, Unknown cause ... 100 mg/m2) : in case ... Lymphohistiocytosis #diagnosis #management