3 results
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... to impaired B-cell ... • Affects 1:25,000 ... - gastric and breast ... Chest CT: • Ground-glass
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
lesions < 4cm + mass ... enhancement on CT ... Symptoms: AMS, motor deficits ... periventricular areas ... diameter - +mass
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Affects both ... areas include the ... lytic lesions, commonly ... Imaging: X-rays, CT ... PET-CT / MRI: Staging