33 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : round cysts, evenly ... : 'signet ring sign ... #Radiology #CTChest ... #Table #RadiologyAssistant
#Clinical #Radiology #CTChest #RoundedAtelectasis #Rounded #Atelectasis #CometTail #Sign #RadiologyAssistant
#Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #Rounded #Atelectasis ... #CometTail #Sign ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
A signet-ring sign ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... Bronchiectasis #Differential ... #RadiologyAssistant
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... hilum • DDx: Rounded ... #Comet #Tail #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... EKGS in pts are crucial ... #Wellens #Sign # ... Electrocardiogram #Diagnosis ... #Cardiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
Rounded atelectasis ... typical findings of rounded ... and comet tail sign ... #Diagnosis #Radiology ... #Atelectasis #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... gren syndrome. ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis ... #LAM #Cystic #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... degenerative subchondral cyst ... #Bone #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay