13 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... #Cough #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... is interstitial lung ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... Smoking related diseases ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... AIDS #pulmonary #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... +/- High res CT ... chest scan), CBC ... Infectious Diseases ... diagnosis #evaluation #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
dyspnea, productive cough ... Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess ... Abscess Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
weeks apart): Cough ... anti-GBM ab, ANA, C3, C4 ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Advanced HIV (CD4 ... - Cough and lung ... • Dyspnea, • Chest ... Imaging, high res CT ... NTM #Infections #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... throughout the lungs ... hematogenous spread of a disease ... diagnosis #pulmonary #CXR ... #clinical #CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Symptoms: • Chronic cough ... in the adjacent lung ... of the affected lung ... Diagnosis: • HRCT ... CT) • Broncho-arterial