13 results
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 ... Imaging studies: • MRI ... #syndrome #differential ... #diagnosis #causes ... #neurology
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... Vascular - abdominal aortic ... BrighamChiefs #Lower ... #primarycare #msk
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Limb ischemia • Aortic ... refill - Poor pulses ... diagnosis #lower ... #extremity #msk
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria + clots ➔ Lower ... syndrome: • Flank pain ... renal vein between aorta ... #urology #nephrology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Hands or feet • Pain ... /constipation, hyponatremia ... axonal form • MRI ... roots and cauda equina
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... adolescent knee pain ... studies point toward lower ... repeated follow-up MRI ... (save $$) Differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... continence • Pain ... spasticity • Lower ... roots -> Cauda equina ... Non-compressive Spinal Cord Causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... aspergillosis, Rhodococcus equi ... and diarrhea • Hyponatremia ... factor • May cause ... Rhodococcus Equi
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... Weakness - Lower ... involvement Cauda Equina ... syndromes #lesions #differential ... #diagnosis #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... Non-inflammatory causes ... neuropathy (LHON) plus MRI ... consistent with MS ... noninflammatory #differential