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Neurology > 6.8.2013(charcot Joint) > Flashcards

6.8.2013(charcot Joint) Flashcards

0
Q

Risk of amputation in Charcot arthropathy and diabetic ulcers

A

More in diabetic foot ulcer

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1
Q

Most common cause of Charcot joint

A

Diabetes mellitus

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2
Q

Common sites of Charcot arthropathy

A

Foot and ankle

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3
Q

Causes of Charcot joint

A 
Diabetes
Syphilis
Meningomyelocele
Syringomyelia
Chronic alcoholism
Leprosy
Congenital insensitivity to pain
Renal dialysis
Charcot Marie tooth disease 
Amyloidosis
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4
Q

Pathophysiology of Charcot joint

A

Neurotraumatic

Neurovascular

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5
Q

Passive movement of Charcot jt feels as

A

Loose bag of bones

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6
Q

Diff btw osteomyelitis and Charcot joint

A

Intact skin
Loss of sensation

Bone scan is positive osteomyelitis

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7
Q

Complications of Charcot arthropathy

A

Club foot
Rocker bottom foot
Osteomyelitis
Amputation

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8
Q

Different sites of Charcot joint and their causes

A

Tarsal,Ankle- DM
large jts of lower limb-leprosy,tabes
Shoulder jt- syringomyelia

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9
Q

X ray in Charcot jt

A

Subluxation
Joint destruction
Irregular calcified masses

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10
Q

Charcot jt in diabetic foot most commonly affects

A

Mid tarsal jt

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11
Q

Presentation of Charcot joint

A 
Painless swelling
Erythematous
Warm
Edematous
Intact skin
Loss of sensation
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12
Q

Common deformity in diabetic Charcot

A

Rocker bottom feet

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13
Q

MRI of Charcot disease

A

Low signal intensity in marrow in both T1 and T2 disease

High T2 intensity in osteomyelitis

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14
Q

Stages of Charcot disease

A

Active: joint effusion,intraarticular fracture,fragmentation and joint subluxation
Coalescent stage: fracture healing
Reconstructive: remodelling and bony ankylosis

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15
Q

Charcot jt due syringomyelia affects which joints

A

Shoulder
Elbow
Wrist

16
Q

Jts affected in tabes

A

Hip
Knee
Elbow

17
Q

Jts affected in DM

A

Tarsal

Taro metatarsal jt

18
Q

Pathological features of Charcot arthropathy is similar to

A

Severe osteoarthritis

19
Q

Joint pain in Charcot

A

Less compared to degree of joint damage

Sudden pain may be due to intraarticular fractures of osteophytes or condyles

20
Q

Destructive changes at tarsometatarsal joints in diabetic foot

A

Lisfranc fracture dislocation

21
Q

Role of bone scans in differentiating Charcot and osteomyelitis

A

Indium 111 labelled WBC or indium 111 labelled IgG scans show increased uptake only in osteomyelitis
Technitium scan is not useful as increased uptake is seen in both

22
Q

In Charcot joint weight bearing should be avoided for how many weeks to allow proper rehabilitation

A

8 weeks

Neurology (9 decks)

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