27 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Chilaiditi Sign on Chest X-Ray
Anterior interposition of the colon between the hemidiaphragm and the liver.
Chilaiditi sign
Chilaiditi Sign ... on Chest X-Ray Anterior ... thus important to diagnose ... #Chest #XRay #CXR ... #clinical #radiology
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 ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Pneumoperitoneum vs Pseudo-Pneumoperitoneum aka Chilaiditi Sign
It mimics pneumoperitoneum and it is thus important to diagnose it
aka Chilaiditi Sign ... thus important to diagnose ... PseudoPneumoperitoneum #Chilaiditi #Sign ... #clinical #radiology ... #cxr #xray #chest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... nodular, high and low ... attenuation (table ... On a Chest X-Ray ... #Diagnosis #Radiology
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... adjacent to it now ... LUL #Collapse #clinical ... #radiology #Chest ... #XRay #CXR
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison ... #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... practice many chest ... In these cases comparison ... #Clinical #Radiology ... #CXR #CHF #Cephalization