Test 2 Part 3

Question 1

What is the term for a group of joint diseases resulting from a loss of proprioceptive and sensory function, which most commonly caused by diabetes today?

Answer 1

Charcot Joints aka Neurotrophic arthropathy aka Neuropathic Joints

Question 2

T/F: Knee and lumbar spine involvement in Neuropathic Arthropathy is usually the result of diabetes.

Answer 2

False; usually the result of tabes dorsalis (tertiary syphilis is think)

Question 3

What joints are usually involved with Neuropathic Arthropathy caused by diabetes?

Answer 3

talonavicular and tarsometatarsal

Question 4

What are some common etiologies of hypertrophic neurotrophic arthropathy when it involves the feet, knees, and spine?

Answer 4

diabetes mellitus,
syphilis (Charcot Joints),
spinal cord trauma

Question 5

What surface of the foot most commonly gets gaseous gangrene with diabetic patients?

Answer 5

plantar surface

Question 6

With what condition would you commonly see Lisfranc’s joint or vascular calcification?

Answer 6

diabetes mellitus

Question 7

With what condition might you see a “licked candy stick” appearance to the bone(s) of the foot?

Answer 7

atrophic neurotrophic arhtropathy

Question 8

What condition presents as an osteolytic process resulting in complete bone resoprtion which may look like a surgical amputation, most commonly seen in the proximal humerus?

Answer 8

atrophic neurotrophic arthropathy

Question 9

With what condition is a cutoff sign associated with?

Answer 9

atrophic neurotrophic arthropathy

Question 10

T/F: A torn meniscus will look like a black triangle on MRI

Answer 10

False; this is a normal meniscus