16 results
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
Sellar / Pituitary ... Primary Anterior Pituitary ... • TSH • LH ... Langerhan's Cell • Histiocytosis ... Diagnosis #Algorithm #endocrinology
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
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
nodules start to cavitate ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis #Late #Histiocytosis ... #Cavitary #RadiologyAssistant
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
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
Pituitary Mass Effects ... Pathogenesis and Clinical ... following order; GH, LH ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
on the anterior pituitary ... understood) -> surge in LH ... 36 hours after LH ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
secretion -> Decr FSH/LH ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
Langerhans cell histiocytosis ... #Clinical #Radiology ... CTChest #Microscopy #LCH ... LangerhansCellHistiocytosis #Late #Histiocytosis ... #Cavitary #RadiologyAssistant
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
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Pathogenesis and Clinical ... production by the pituitary ... Hyperthyroidism #endocrinology ... #pathophysiology