11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... 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
before the typical cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Here another case. On the PA-film a mass is seen that fills the aortopulmonary window. Final
aortopulmonary window ... #Clinical #Radiology ... #APWindow #AP #Window ... #Fullness #SCLC ... #RadiologyAssistant
The PET better demonstrates the extent of the lymphnode metastases in this patient.
Final diagnosis: small cell
#Clinical #Radiology ... #APWindow #AP #Window ... #Fullness #SCLC ... #RadiologyAssistant
Aortopulmonary window
The aortopulmonary window is the interface below the aorta and above the pulmonary trunk and
Aortopulmonary window ... aortopulmonary window ... #Clinical #Radiology ... CXR #APWindow #Fullness ... Hodgkins #Lymphoma #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
fluid or solid material ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... 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 ... #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
Esophageal disease Left atrial ... lymphadenopathy Bronchogenic cyst ... #Clinical #Anatomy ... #Radiology #CTChest ... Azygoesophageal #Recess #RadiologyAssistant