26 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Sarcoidosis Lower ... HRCT #ChestCT #Differential ... Distribution #Upper #Lower ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Contrast Enhanced Ultrasound ... Lesions #Hepatic #Ultrasound ... POCUS #radiology #differential ... #diagnosis #comparison
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Obstruction - Differential ... NOT distended on ultrasound ... junction obstruction Lower ... Distended bladder on ultrasound ... #UrinaryTract #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Ruptured Tubal Ectopic Pregnancy on Pelvic Ultrasound

Young female.  Lower abdominal pain/VB.  UCG pos. Soft
Pregnancy on Pelvic Ultrasound ... Lower abdominal ... Diagnosis/differential ... Pregnancy #Pelvis #Ultrasound
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
. - Lower zone predominance ... #GroundGlass #Differential ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Carcinomatosis #Mimic #Differential ... #Comparison #Table ... #RadiologyAssistant