12 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... disease or CHF) ... ) • Abnormal CXR ... refer + order CT ... #Algorithm #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... seen • Chest CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... #pulmonary #CXR ... #clinical #CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... massiliense in CF ... Lung Disease: ... • Clinical (Symptoms ... Imaging, high res CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... Framework Disease ... • CT: Halo sign ... factor • May cause
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
patient received a diagnosis ... progressive bacterial infection ... caused by actinomyces ... #NEJM #clinical ... #radiology #CT #
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... Broncholithiasis - Clinical ... bronchus • Chest CT ... Noninfectious Causes ... Tracheobronchial Diseases
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Carcinoma of the Lung ... biopsy confirmed a diagnosis ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #