11 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
with underlying lung ... disease. 15% mortality ... Mycobacterium #diagnosis ... #differential #infectiousdiseases ... #NTM
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
: Chronic lung infections ... Diagnosis Of NTM ... Lung Disease: ... Imaging, high res CT ... #diagnosis #infectiousdiseases
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.tuberculosis, NTM ... failure, COPD, Lung ... CXR +/- High res CT ... 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 ... Immunodeficiency 3) Infection ... Bacterial, TB, NTM ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... Tuberculosis, NTB ... CXR #clinical #CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... : TB, NTM, PNA ... 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 ... #infectiousdiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Infectious: • Pre-existing ... , verrucous) - Lung ... , Pancreas, Gastric ... #cardiology #infectiousdiseases
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
Biopsy of the lung ... patient received a diagnosis ... progressive bacterial infection ... #NEJM #clinical ... #radiology #CT #
Thumbprinting in Ischemic Colitis- Contrast-enhanced computed tomography of the abdomen, performed to evaluate the possibility of
complicated diverticular disease ... other types of infectious ... consistent with a diagnosis ... clinical #radiology #CT ... thumbprinting #sign #NEJM