6 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... enhancement on CT ... • Symptoms: AMS ... #Infections #differential
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
Biopsy of the lung ... progressive bacterial infection ... caused by actinomyces ... #NEJM #clinical ... #radiology #CT #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Lymphadenopathy, CNS ... factor • May cause
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA) • Renal: (AKI ... Other tests: • CT ... confirm DAH, r/o infection ... sparing of the lung ... seen on chest CT
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Tenderness → Consider infectious ... • ANA < 20 % IBM ... statins - probably caused ... #rheumatology #differential