6 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... • Infection (abscess ... #CaudaEquina #Syndrome ... #MSK #pathophysiology ... #diagnosis #symptoms
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
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 ... Spinal infection/abscess ... Imaging studies: • MRI ... decompression #CaudaEquina ... #causes #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Imaging: - MRI ... tuberculomas, or abscesses ... Demyelinating disease ... caused by the JC ... opportunistic #InfectiousDiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... angioinvasive disease ... factor • May cause ... #infectiousdiseases
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 ... University Infectious Diseases