29 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 ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
Fournier’s Gangrene - Physical examination was notable for necrotic-appearing tissue in the scrotum and perineum, with
perineum, with areas ... Clinical #Surgery #CT ... #Subcutaneous #NEJM
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... 50 CXRs Head CT ... mSv 200 CXRs Chest ... CT 3 mSv 150 CXRs ... #Nuclear #Comparison
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... 6 mSv 2 years CHEST ... ) — Chest 7 mSv ... mSv 6 months - Chest ... #Nuclear #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... Radiology #HRCT #CTChest ... Cystic #Pattern #Comparison
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
especially in areas ... sun (e.g., palm creases ... is suspected: chest ... x-ray and/or CT ... , abdominal CT,
Gas in the Left Atrium and Ventricle - Computed tomographic (CT) angiography of his chest, abdomen,
Computed tomographic (CT ... angiography of his chest ... CTS #Radiology #CT ... #CTChest #AtrialEsophagealFistula ... #Fistula #NEJM
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Cheese Sign on Chest ... CT • Juxtaposition ... distinct radiographic areas ... doi.org/10.1016/j.chest ... #Cheese #Sign #CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
- gastric and breast ... Chest CT: • Ground-glass