5 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... cause: Aspiration ... pneumonia • Chronic ... CT Lung Abscess ... of PCN allergy
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... , an uncommon, slowly ... bacterial infection caused ... #NEJM #clinical ... #radiology #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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... Infections #HIV #AIDS
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
droppings • Most common ... yeast • At risk: AIDS ... change in the lungs ... nails, bronchi, lungs ... Fungal #Diagnosis #Management