10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... bronchiectasis: ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... histiocytosis) - Bronchiectasis ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... , as in cystic fibrosis ... bronchial obstruction caused ... Radiology #CXR #CTChest ... Mucus #Plugging #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... The most common cause ... bronchitis, COPD and cystic ... #Differential # ... RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... UIP, NSIP and long ... Radiology #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... seen and in many cases ... #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Cystic fibrosis ... no evidence of cystic ... in the adjacent lung ... of the affected lung ... #pulmonary #differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... patients with end-stage ... Diagnosis #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... since in many cases ... we describe a chest ... #CXR #Lucency #Differential ... #Table #CavitaryLesion
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... by multiple cysts ... This is late stage ... Radiology #CXR #CTChest ... #RadiologyAssistant