Tuberculosis Flashcards

1
Q

How do you classify tubeculosis in MSK

A

Extraarticular
Intra-articular
Vertebral body

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2
Q

Where do you see extra-articular tuberculosis

A

Epiphyseal / bones with haemodynamic marrow

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3
Q

Where do you see intra-articular tuberculosis

A

Large joints (the knee)

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4
Q

What are clinical features of tuberculosis

A
Insidious onset & general ill health
Contact with TB
Pain (esp. at night), swelling, loss of weight
Low grade pyrexia
Joint swelling
Decrease ROM 
Ankylosis 
Deformity
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5
Q

What are clinical features of vertebral body TB

A

Little pain

Present with cold abscess or kyphosis (due to vertebral body collapse)

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6
Q

How many joints are typically affected in tuberculosis infection

A

Involvement of single joint (2/3rd)

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7
Q

What key findings can help diagnose tuberculosis infection of a joint

A

Involvement of single joint (2/3rd)
Marked thickening of the synovium (considerable)
Marked muscle wasting (considerable)
Periarticular osteoporosis

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8
Q

What is the tuberculosis specific test

A

Mantoux test

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9
Q

What investigations are used for tuberculosis

A
FBC , ESR 
Mantoux test
Sputum/ urine culture
Xray  
Joint aspiration and biopsy
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10
Q

What can xray show in tuberculosis investigation

A

Soft tissue swelling
Periarticular osteopaenia
Articular space narrowing

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11
Q

What is treatment for tuberculosis

A

Chemotherapy
medical
Operative drainage (rarely necessary)

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12
Q

What drugs are used to in treatment

A

Rifampicin
Isoniazid
Ethambutol

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