83 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... CT • Variable attenuation ... CTEPH, PJP, CEP, HP ... .2016.12.033 #Mosaic #Attenuation
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
normal and high attenuation ... DDx: sub-acute HP
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
of ground-glass atenuation ... and areas of low attenuation ... nodules of increased attenuation
Colonoscopy Followup Intervals 
10 years: Normal colonoscopy, ≥ 20 HP < 10mm
7-10 years: 1-2 adenomas <
colonoscopy, ≥ 20 HP ... 4 SSPs < 10mm, HP
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
decreased lung attenuation ... diseases with a low attenuation
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Honeycombing - See Low Attenuation ... Bronchopneumonia High Attenuation ... Water, Tumor Low Attenuation
Inpatient History & Physical (H&P) Presentation and Note Template
 • Chief Complaint/Concern
 • History of Present
History #Physical #HP
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... emphysema: low attenuation
Using Stroke Windows for Detecting Ischemia on Head CT
When evaluating a CT head for possible stroke,
tissues of differing attenuation ... tissues of similar attenuation
Inpatient History & Physical (H&P) Presentation and Note Template, SOAP Note Template
Chief Complaint, History of Present
History #Physical #HP