15 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... Pattern #Comparison #Table ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... key findings in chronic ... Mosaic pattern with areas ... atenuation and areas ... #Fibrosis #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Pattern #Comparison #Table ... #RadiologyAssistant
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive ... • Acute and chronic ... white or yellow areas ... around atrophic areas ... pathophysiology #ophthalmology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic ... because nothing chronic ... lung, esophageal, breast ... induratum • A chronic ... Erythemas #comparison #table
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... listed in the table ... as radiolucent areas ... #Differential #RadiologyAssistant
Eyelid Pyogenic Granuloma

Pyogenic granulomas are benign vascular proliferations. The most common areas affected around the eyes
The most common areas ... Eyelid #clinical #video ... physicalexam #ocular #ophthalmology
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
(arrow) in the areas ... caliber due to chronic ... Thromboembolism #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
non-affected lung areas ... There are patchy areas ... oligemic lung due to chronic ... #Differential #RadiologyAssistant