11 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 ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Consolidation - ... - Diffuse consolidation ... Nodule - Multiple Masses ... #Patterns #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... Random refers to ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Lobar #Diffuse
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... (infiltrates, consolidation ... reticulonodular patterns ... Radiographic pattern ... Diagnosis • Management
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
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... and GG pattern, ... • HRCT: patchy consolidation ... Pulmonary lymphoma, Diffuse ... ILD #diagnosis #management
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... (ground-glass, consolidation ... perilymphatic or random ... Interpretation #Algorithm
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Goodpasture's cause ... hemorrhage (DAH) • Diffuse ... ground glass or consolidative ... • IF staining patterns ... differential #diagnosis #management
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse ... The histologic pattern ... characteristics are diffuse ... or patchy consolidation ... There are areas of consolidation