Learning Radiology xray montage

Charcot Arthropathy - Foot

  • Differential diagnosis

    • TB

    • Osteomyelitis

    • Gout

  • More than 1/2 have presenting complaint of foot pain despite neurologic impairment

  • Most common secondary to diabetes

    • Rarely syphilis

  • Sclerosis or lysis near or away from ulceration

  • Foot frequently shows ulceration

  • Most difficult differential is from osteomyelitis

    • Osteomyelitis usually first involves metaphysis of MT joint

  • Charcot usually involves MTP joint with astonishing joint destruction on initial radiograph.