13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... , may also see skin ... multiple lesions Infectious ... differential #diagnosis #causes ... #radiology #neurology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... rigors, diarrhea, nausea ... - BIDMC Infectious ... #Rash #clinical
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
Syndrome Acute ... sweats (28%) • Skin ... rash (48%) • ... 14%), in which case ... Epstein-Barr virus (EBV
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
involvement • 30%: CNS ... -> AML: Blast crises ... : CNS manifestations ... • Tumor lysis syndrome ... CLL -> Invade Skin
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine • MCC- acute ... (CES) is usually ... - Emergency Causes ... stimulation of skin ... #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... Maculopapular rash ... • Common clinical ... Symptoms: • Acute
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... 3rd Decade Skin ... Classification: • Acute ... fibromyalgia) • Infections ... Clinical Features
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
- Summary Acute ... Epidemiology: • 1-2 cases ... response preceding infection ... - HIV, CMV, EBV ... Guillain-Barre Clinical
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis - Clinical ... weight loss • Skin ... : Rash is the most ... Albuminuria, nephrotic syndrome ... , or acute nephritis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Neurological symptoms: Acute ... Diagnosis: • Infection ... , ADEM, Acute toxic ... the underlying cause ... until cause identified