23 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... disease #Chronic
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... Malignancies • Chronic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... pneumonia • Chronic ... : Pleuritic chest ... CT Lung Abscess
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... encounters due to NTM: Chronic ... lung infections ... Lung Disease: ... Imaging, high res CT
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... IgG4 #Related #Disease
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
according to CT-scan ... oxtvmJe1RmlxFFJpzgymkqdNRFOw%3D%3D #CT ... Patterns #Pulmonary #Lung ... #Differential #Diagnosis ... #Chest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... Opacities: • Infectious ... CXR #clinical #CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... CT) • Broncho-arterial
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... CXR +/- High res CT ... chest scan), CBC ... Diseases Fellows ... HIVAIDS #workup #diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Immunodeficiency 3) Infection ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary #diagnosis