28 results
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
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility Fractures ... Disease - Skull/spine ... Ricketts - Diffuse Pain ... #Fragility #Fractures ... #Pathologic #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
distal radius fracture ... , scaphoid fracture ... Splint: Thumb spica ... unless associated fracture ... Orthopedics #Sports #MSK
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 ... constipation Differential ... distinguishing feature ... Imaging studies: • MRI ... diagnosis #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Syndrome - Low back pain ... saddle (perineal) anesthesia ... such as fibular fracture ... - Narrowing of spinal ... Myotomes #diagnosis #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
etc) in lumbar spine ... Signs / Symptoms ... Incontinence • Saddle Anesthesia ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... Controversy: Subchondral fracture ... for secondary signs ... Differential diagnosis ... foot #clinical #mri
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... reflex. saddle anesthesia ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Lesion in the Spinal ... Greater Trochanter Fracture ... Sacroiliac Joint Pain ... #diagnosis #msk
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Vertebral burst fracture ... loss - Saddle anesthesia ... syndromes #lesions #differential ... #diagnosis #neurology