90 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
#Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Type B Aortic Dissection Flap on POCUS Echocardiogram - PLAX

Elderly male with hypertension and DM presents
Echocardiogram - PLAX ... Diagnosis? ... Echocardiogram #PLAX ... #Cardiology #clinical
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Segond Fracture
- Avulsion fracture of the proximal tibia below the articular surface. 
- Associated with anterior
Segond #Fracture #Diagnosis ... #Orthopedics #Radiology ... #KneeXRay #Clinical
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
#Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
#Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
#Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
#Clinical #Diagnosis ... #Radiology #CTChest ... Histiocytosis #RadiologyAssistant
The retracted visceral pleura is seen (blue arrow) which indicates that there is a pneumothorax.
There is
are no straight lines ... only key to the diagnosis ... #Clinical #Radiology ... Hydropneumothorax #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
#Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant