12 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... Calcification (seen in CT ... typical eggshell pattern ... #CXR #Chest #XRay
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
Fibrosis is a chronic ... interstitial lung ... pneumoconiosis which is caused ... #XRay #CXR #silicosis ... #clinical #radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... pneumonia • Chronic ... Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... throughout the lungs ... #Chest #Radiology ... diagnosis #pulmonary #CXR ... #clinical #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... (occasionally massive ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... , CCP, ANCA • HIV
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
lung disease ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... encounters due to NTM: Chronic ... • Dyspnea, • Chest ... Imaging, high res CT
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... nodular interstitial lung ... disease, that is ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation