21 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... #Differential #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... Cystic #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... Cystic #Pattern #Comparison
Diagnosis of Primary Amenorrhea
A diagnostic approach to primary amenorrhea. (FSH = follicle-stimulating hormone; LH = luteinizing
follicle-stimulating hormone; LH ... #Diagnosis #PrimaryCare
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Intracranial Hemorrhages (ICH)

Epidural Hematoma vs Subdural Hematoma vs Subarachnoid Hemorrhage vs Intraparenchymal Hemorrhage

#Diagnosis #Radiology #Comparison #ICH
Intracranial Hemorrhages (ICH ... #Diagnosis #Radiology ... #Comparison #ICH
A diagnostic approach to secondary amenorrhea. (DHEA-S = dehydroepiandrosterone sulfate; FSH = follicle-stimulating hormone; LH =
follicle-stimulating hormone; LH ... #Diagnosis #PrimaryCare
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RIMA dissection during cardiac catheterization

RIMA explosion - never inject if the waveform is clearly dampened. Surprisingly
the LIMA/RIMA ostia ... CardiacCatheterization #Cardiology ... Fluoroscopy #Clinical #LHC
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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
Histiocytosis - Langerhans cell histiocytosis (LCH), Erdheim-Chester disease (ECD), Rosai-Dorfman disease (RDD)
Comparison of Features by Age,
histiocytosis (LCH ... disease (RDD) Comparison ... Histiocytosis #diagnosis #comparison ... features #management #LCH
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
shaped cysts of LCH ... patients with LCH ... #Clinical #Radiology ... #CTChest #LCH #