151 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... central dot. - LIP #Clinical ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
child-bearing age ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
#Clinical #Diagnosis ... #Radiology #CTChest ... Histiocytosis #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... patterns on a chest ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
child-bearing age ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules are ... in differential diagnosis ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... in the proper clinical ... left lung, which are ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
nodules, there are ... #Clinical #Radiology ... #CTChest #Sarcoidosis ... Peribronchovascular #Nodular #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
The diagnosis based ... #Clinical #Radiology ... #CTChest #SeptalThickening ... #CHF #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
These are often ... pleural nodules are ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant