11 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... Lung abscess ... seen • Chest CT ... Lung Abscess
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... lung disease ... status NTM Cause ... encounters due to NTM: Chronic ... Imaging, high res CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... DDX - Other causes ... Malignancies • Chronic
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 ... high-resolution chest CT ... mycobacteria Treatment
Causes of Unintentional Weight Loss - Differential Diagnosis
Malignancy 
 - Tumor effect* (esp. Gl, lung, lymphoma)
Causes of Unintentional ... Gl, lung, lymphoma ... ) - Treatment ... Malabsorption (Celiac disease ... Infections: HIV/AIDS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Abdominal pain, chronic ... Infections #HIV #AIDS
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
masses & should ... The treatment of ... comorbidities, such as chronic ... obstructive pulmonary disease ... coronary artery disease
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
, verrucous) - Lung ... , Pancreas, Gastric ... Septic emboli cause ... hematuria, + RF Treatment ... Treat underlying cause
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
85% • < 50% in chronic ... yeast • At risk: AIDS ... Sinusitis • Brain abscess ... change in the lungs ... nails, bronchi, lungs
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Infection in HIV / AIDS ... Antimicrobial treatment ... tuberculomas, or abscesses ... enhancement on CT ... Demyelinating disease