15 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #Nodular #Pattern ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Nodule - Multiple Masses ... Consolidation #Patterns ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... CTChest #Nodular #Pattern ... #NodularPattern ... #Differential #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... distribution: - Diffuse ... more than one pattern ... lobar pneumonia caused ... Differential #Table #RadiologyAssistant
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
as dominant pattern ... This case is one ... of the possible patterns ... relatively uniform pattern ... #RadiologyAssistant
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... confluent, HRCT shows diffuse ... Radiology #CTChest #GGO ... HypersenstitivityPneumonitis #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
20-40% of the cases ... the ground-glass pattern ... with GGO, one without ... #GroundGlass #GGO ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG ... pattern, irregular ... lower lung zone, GGO ... Pulmonary lymphoma, Diffuse