54 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Clinical #Diagnosis #Radiology ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
On the left another patient with a large cardiac silhouette on the chest x-ray due to
to pericardial effusion ... Pericardial effusion ... CT-reconstruction #Clinical #Radiology ... #Pericardial #Effusion ... PericardialEffusion #RadiologyAssistant
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
are: - Normal in position ... vessels #Diagnosis #Radiology ... Unilateral #Bilateral #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
#Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
#Clinical #Radiology ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
Pleural effusion ... A subpulmonic effusion ... there is a high position ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
#Clinical #Radiology ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Clinical #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant