13 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 ... DDX - Other causes ... Malignancies • Chronic
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... ) WHAT ARE COMMON ... CAUSES? ... Rheumatologic/Autoimmune ... diseae 7) Recurrent
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... cause: Aspiration ... pneumonia • Chronic ... seen • Chest CT ... #differential #causes
Chronic Pancreatitis

Definition: A pathologic fibroinflammatory syndrome of the pancreas in individuals with genetic, environmental, and/or other
Chronic Pancreatitis ... syndrome of the pancreas ... Genetic) • A (Autoimmune ... • 1st line: CT ... Pancreatitis #diagnosis #management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... tightness Most Common ... 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,
Diagnosis Framework Disease ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... Infections #HIV #AIDS
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
masses & should ... a repeat chest CT ... comorbidities, such as chronic ... coronary artery disease ... Management options
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... , Pancreas, Gastric ... regurgitation • Autoimmune ... Regurgitation • Colon ... Endocarditis #diagnosis #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
OnePager Summary Autoimmune ... Other tests: • CT ... Goodpasture's cause ... sparing of the lung ... seen on chest CT
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Immunosuppression • Autoimmune ... (NSHL) - (most common ... number of sites of disease ... physical exam, CT ... hematology #oncology #management