8 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 #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison ... #ILD #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
#Clinical #Radiology ... #Pulmonary #CTChest ... Carcinomatosis #Mimic ... Comparison #Table ... #RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Metastases #Mimic ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... caused by multiple cysts ... most challenging differential ... #Clinical #Radiology ... Histiocytosis #Cystic #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... Kansasii: • Mimics ... Pulmonary Disease: Clinical ... Lung Disease: • Clinical ... NTM #Infections #differential