14 results
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential ... Diagnosis Algorithm ... of neoplasm • Fracture ... Symptoms • Cauda Equina
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Incontinence • Saddle Anesthesia ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK ... pathophysiology #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• S - Saddle anesthesia ... Diagnosis: • ... Imaging studies: • MRI ... #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 ... pulposus, Compression fracture ... cholecystitis; • Neurologic ... #primarycare #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda Equina ... Syndrome - Low back pain ... saddle (perineal) anesthesia ... such as fibular fracture ... #neurology #sensory
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Controversy: Subchondral fracture ... for secondary signs ... Differential diagnosis ... foot #clinical #mri ... #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Greater Trochanter Fracture ... Sacroiliac Joint Pain ... causes #symptoms #signs ... #diagnosis #msk
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... : • Fracture ... #differential # ... #extremity #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... BHAGL): Avulsion fracture ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... #msk
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Diagnosis Framework ... • Symptoms and signs ... roots -> Cauda equina ... compression by fractured ... #neurology #differential