15 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table ... #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
On the left a patient with CHF. 
There is an increase in heart size compared to
Other signs of CHF ... that helpful, but comparison ... #Clinical #Radiology ... #CXR #CHF #Exacerbation ... #Comparison #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchiectasis, as in cystic ... fibrosis (CF) and ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #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 #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In these cases comparison ... with old fims can ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
thick walls of the cysts ... #Clinical #Radiology ... #CXR #CTChest # ... Pneumonitis #Reticular #ILD ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
can be ill-defined ... produces a silhouette sign ... #Clinical #Radiology ... #CXR #Pectus #Excavatum ... #RadiologyAssistant
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
this case a lung cyst ... Here we see an old ... #Clinical #Radiology ... #CXR #CTChest # ... PulmonaryEmbolism #RadiologyAssistant