10 results
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 ... and M panel Management ... Malignancies • Chronic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... infection • Most common ... pneumonia • Chronic ... CT Lung Abscess ... Management: •
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... organism into the lungs ... ; More common in ... patients often have chronic ... #treatment #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
tightness Most Common ... Connective tissue diseases ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial
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 ... differential #diagnosis #infectiousdiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... lung disease ... encounters due to NTM: Chronic ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
diameter are called lung ... comorbidities, such as chronic ... obstructive pulmonary disease ... coronary artery disease ... Management options
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
A chest radiograph ... tomography of the chest ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... effusions in both lungs ... Biopsy of the lung ... #NEJM #clinical ... #radiology #CT #
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
droppings • Most common ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases ... Fungal #Diagnosis #Management