56 results
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early nodular ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #Differential #Comparison ... #Table #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... #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 ... histiocytosis: early nodular ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Melanoma - Clinical subtypes
 - 
Superficial spreading melanoma (70%)
 - 
Nodular melanoma (15%)
 - 
Lentigo maligna
Melanoma - Clinical ... melanoma (70%) - Nodular ... Melanoma #Subtypes #Comparison ... #Table #Superficial ... #Nodular #LentigoMaligna
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... Solitary Pulmonary Nodule ... - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... In end stage sarcoidosis ... #Clinical #Radiology ... Peribronchovascular #Nodular ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
diagnosis in the nodular ... In most cases small ... NodularPattern #Nodular ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant