8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #causes #radiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... Imaging: - MRI ... tuberculomas, or abscesses ... Demyelinating disease caused ... opportunistic #InfectiousDiseases
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Leg Pain: • Fracture ... Leg Pain: • Infection ... entrapment • Infections ... lower #extremity #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... (abscess, etc) ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... /abscess • Ankylosing ... Imaging studies: • MRI ... #causes #neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... Pneumonia: • PVL ... factor • May cause ... #infectiousdiseases
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
Case description ... : • Abscess: Absence ... clinical concern for infection ... Lesion #clinical #mri ... #msk
Babesiosis on Peripheral Smear
85 M from SE USA, hx splenectomy, IgG4 plasmacytic syndrome: F, chills, profound
hematuria, H/A. diagnosis ... Ab IFA 1:256, PCR ... in NY, NJ, CT, RI ... cryopreservation but in abscess ... Indiana University Infectious