22 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... #Cystic #Cysts ... #Differential #Comparison
Bullous pemphigoid and pemphigus vulgaris

Comparison Table via Physical Examination, Nikolsky Sign and Differential Diagnoses

#Diagnosis #Dermatology #Bullous
pemphigus vulgaris Comparison ... Examination, Nikolsky Sign ... and Differential ... #Diagnosis #Dermatology ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... TractionBronchiectasis #Cysts
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... multiple thick walled cysts ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... them from cysts ... Diagnosis #Radiology #CTChest ... Emphysema #Comparison
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Embolism on POCUS Echocardiogram ... 's female with chest ... Differential/diagnosis ... RV, McConnell's sign ... cardiology #McConnells #sign
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... the lung, like cyst ... we describe a chest ... a thick wall Cyst ... #CXR #Lucency #Differential
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
common benign breast ... cyst: • Arise ... bruising/erythema/sign ... of trauma Breast ... diseases #benign #differential