15 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... #Differential #Comparison
Diagnosis of Primary Amenorrhea
A diagnostic approach to primary amenorrhea. (FSH = follicle-stimulating hormone; LH = luteinizing
follicle-stimulating hormone; LH ... #Diagnosis #PrimaryCare
Causes of Female and Male Infertility - Differential Diagnosis Algorithm
Causes of Female Infertility:
 • Uterus -
hypogonadism) Low FSH/LH ... problem) High FSH/LH ... Algorithm #Causes #PrimaryCare
A diagnostic approach to secondary amenorrhea. (DHEA-S = dehydroepiandrosterone sulfate; FSH = follicle-stimulating hormone; LH =
follicle-stimulating hormone; LH ... #Diagnosis #PrimaryCare
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... histiocytosis (LCH ... LCH is called a ... LangerhansCellHistiocytosis #LCH
Intracerebral hemorrhages (ICH) - Subdural, Epidural, Subarachnoid Comparison

Subdural hematoma 
• Crescent-shaped 
• Blood collection between dura
Intracerebral hemorrhages (ICH ... , Subarachnoid Comparison ... collection between dura matter ... Intracerebral #hemorrhage #ICH ... #Subarachnoid #Comparison
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
Explained • The LH ... Day 14 surge in LH ... GnRH, FSH, and LH ... • Decreased LH ... allowing GnRH/FSH/LH
RIMA dissection during cardiac catheterization

RIMA explosion - never inject if the waveform is clearly dampened. Surprisingly
the LIMA/RIMA ostia ... Fluoroscopy #Clinical #LHC