13 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 ... 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
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
There is an atelectasis ... the luft sichel sign ... #Clinical #Radiology ... Lobar #Collapse #Luftsichel ... #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
indicate a total atelectasis ... #Clinical #Radiology ... Lobar #Collapse #Luftsichel ... #Sign #LuftsichelSign ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
lumen - associated atelectasis ... patients with chronic ... #Diagnosis #Radiology ... Bronchiectasis #Differential ... #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 ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... gren syndrome. ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
the top of their differential ... the comet tail sign ... #Clinical #Radiology ... #CometTail #Sign ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison ... Fibrosis #Mimic #ILD #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... most challenging differential ... the central dot sign ... #Clinical #Radiology ... Histiocytosis #Cystic #RadiologyAssistant