Question

question 19 (mandatory) (1 point)
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a 32 - year - old female presents with altered range of motion of the right shoulder and an inability to feel pain in the region. radiographic examination reveals a surgically amputated appearance of the left proximal humerus. what is the diagnosis?
a) pigmented villonodular synovitis
b) neuropathic arthropathy
c) rheumatoid arthritis
d) synoviochondrometaplasia

Explanation:

Neuropathic arthropathy (Charcot joint) is characterized by joint destruction due to loss of pain sensation and proprioception. The patient has altered range of motion and inability to feel pain (loss of sensation), and the radiograph shows a "surgically amputated appearance" (severe joint destruction) which is typical of neuropathic arthropathy. Pigmented villonodular synovitis usually presents with local mass - like synovial proliferation. Rheumatoid arthritis has symmetric joint involvement with typical erosions (not the "surgically amputated" look). Synoviochondrometaplasia is about intra - articular cartilaginous loose bodies.

Answer:

B. neuropathic arthropathy