26 results
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... Transverse Myelitis - Clinical ... • Bilateral signs ... zoster, West Nile virus ... Herpes simplex virus
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... mass and NO prior signs ... • This case should ... #clinical #Radiology ... #diagnosis #msk
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpes simplex virus ... Varicella-zoster virus ... - West Nile virus ... • Common clinical ... Acute meningeal signs
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... , Epstein-Barr virus ... immunodeficiency virus ... HIV), and Zika virus ... the underlying pathophysiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... accumulation of clinical ... Assessment • Clinical ... +++: Virus (EBV, ... Drugs, Unknown cause
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
on clinical presentation ... Herpes Simplex Virus ... Imaging: - MRI ... by the JC virus ... • JC-virus PCR
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... suspected, immediate MRI ... #pathophysiology ... #diagnosis #symptoms
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... GAGL): "Reverse J sign ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... • Herpes virus ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... noninflammatory Signs ... weeks) Can Be Caused ... burgdorferi • Virus ... • Hepatitis B virus