20 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... emphysema: no walls, central ... dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... nodules along the central ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... thickening of the central ... #Clinical #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... and other non-pulmonary ... Pulmonary hemorrhage ... #Radiology #CXR ... Consolidation #Causes #RadiologyAssistant
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis - Clinical ... Symmetric macular ... Headache, meningitis, ocular ... Neurological: General ... stages #diagnosis #management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
the lungs and regional ... granulomas with central ... characteristic features Clinical ... Lymph nodes • Central ... TB #Diagnosis #Management
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
opacity in the centre ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
the lungs and regional ... granulomas with central ... characteristic features Clinical ... Lymph nodes • Central ... TB #Diagnosis #Management