13 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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attenuation or ... These include: - ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
on Chest CT • ... normal and high attenuation ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
on Chest CT • ... seen on a chest ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
, Chest tightness ... often normal or near ... Cyanosis, Barrel chest ... #Asthma #COPD #comparison ... #Diagnosis #pulmonary
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
infiltration damages tear ... Pericarditis) -> Chest ... Dyspnea, pleuritic chest ... disease/pulmonary ... #diagnosis #ExtraArticular
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Loss of weight • Chest ... in the adjacent lung ... hypertension • Mosaic attenuation ... high-resolution chest
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
- Respiratory symptoms ... week of a known clinical ... be present on a chest ... lobar collapse, lung ... Definition #Criteria #Diagnosis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... renal failure Clinical ... Pulmonary: dyspnea ... , cough, chest pain ... anterior/posterior MSK
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
gastrointestinal symptoms ... Disease: Clinical ... • Dyspnea, • Chest ... Diagnosis Of NTM ... • Clinical (Symptoms
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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There are two diagnostic ... penicillamine) #Clinical ... #Radiology #CTChest ... MosaicAttenuation #Mosaic #Attenuation ... #Comparison #RadiologyAssistant