20 results
#Clinical #Radiology #CXR #CTChest #Longstanding #Sarcoidosis #Fibrosis #Conglomerate #Nodules #RadiologyAssistant
Sarcoidosis #Fibrosis #Conglomerate ... #Nodules #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Sarcoidosis: nodules ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... #Differential #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... HRCT #CTChest #Nodular ... #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... diagnosis in the nodular ... most cases small nodules ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
solitary pulmonary nodule ... atelectasis or lymphadenopathy ... concluded that benign nodule ... the over 2000 nodules ... MalignancyRate #Rate #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
and mediastinal lymphadenopathy ... calcification' in lymph nodes ... #Mediastinal #Lymphadenopathy ... #Differential #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Notice lymphadenopathy ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
and mediastinal lymphadenopathy ... presentation is a fine nodules ... When these small nodules ... NodularInterstitial #Nodular ... #Sarcoidosis #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... #Differential #Comparison ... #Table #RadiologyAssistant