24 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Cystic #Cysts ... #Table #RadiologyAssistant
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Diagnosis Algorithm ... • Cyst • Polycystic ... Cystadenoma • Hydatid Cyst ... Lung, Colon, Breast ... #Causes
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Diagnosis Algorithm ... Simple: Simple cyst ... Complex: Hydatid Cyst ... - secondary - Breast ... #Causes #Hepatology
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Causes of Ovarian Mass - Differential Diagnosis Algorithm
Hyperplastic:
 • Polycystic ovary
 • Endometrioid cyst
Functional:
 • Follicular
Causes of Ovarian ... • Endometrioid cyst ... • Follicular cyst ... Corpus lutein cyst ... • Theca lutein cyst
Causes of Breast Disorders and Gynecomastia - Differential Diagnosis Algorithm
Breast Infection:
 - Lactational
Causes of Breast ... Gynecomastia - Differential ... Diagnosis Algorithm ... Fibroadenoma - Cystic ... • Gross cyst
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... contrast - Simple Cysts ... sized kidneys, No cysts ... Multiple bilateral cysts ... Enlarged kidneys, Cysts
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... cyst: • Arise ... bruising/erythema/sign ... diseases #benign #differential ... #table
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... a thick wall Cyst ... #CXR #Lucency #Differential ... #Table #CavitaryLesion ... #Cavity #Cyst #