Tuberculosis Flashcards
How do you classify tubeculosis in MSK
Extraarticular
Intra-articular
Vertebral body
Where do you see extra-articular tuberculosis
Epiphyseal / bones with haemodynamic marrow
Where do you see intra-articular tuberculosis
Large joints (the knee)
What are clinical features of tuberculosis
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
What are clinical features of vertebral body TB
Little pain
Present with cold abscess or kyphosis (due to vertebral body collapse)
How many joints are typically affected in tuberculosis infection
Involvement of single joint (2/3rd)
What key findings can help diagnose tuberculosis infection of a joint
Involvement of single joint (2/3rd)
Marked thickening of the synovium (considerable)
Marked muscle wasting (considerable)
Periarticular osteoporosis
What is the tuberculosis specific test
Mantoux test
What investigations are used for tuberculosis
FBC , ESR Mantoux test Sputum/ urine culture Xray Joint aspiration and biopsy
What can xray show in tuberculosis investigation
Soft tissue swelling
Periarticular osteopaenia
Articular space narrowing
What is treatment for tuberculosis
Chemotherapy
medical
Operative drainage (rarely necessary)
What drugs are used to in treatment
Rifampicin
Isoniazid
Ethambutol