18 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
women in the child-bearing ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... woman of child-bearing ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... woman of child-bearing ... #Clinical #Radiology ... LowAttenuation #Cystic ... #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... pattern can be readily ... #Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
included in the differential ... subchondral bone cyst ... sarcoma, SBC, ABC ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Anserine Bursitis - MSK ... Differential diagnosis ... Bursitis #knee #clinical ... #mri #clinical ... #msk
Intracardiac Septal Masses / Thickening on Echocardiogram - Differential Diagnosis - 4 separate cases:
Case 1: LV
Case 4: Hydatid Cyst ... Echocardiogram #clinical ... #a4c #comparison ... #Differential # ... Diagnosis #cardiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... worsens with weight-bearing ... Differential diagnosis ... #mri #clinical ... #msk