classification of TB
extra articular (epiphyseal/bones with haemodynamic marrow)
intraarticular (large joints)
vertebral body
clinical features
insidious onset
general ill health
low grade fever
pain esp at night
swelling
loss of weight
decreased ROM
ankylosis
deformity
spinal- little pain but present with abscess or kyphosis
pathology
primary complex in lung or gut, secondary spread, TB granuloma
signs
long history
involvement of single joint
thickening of synovium
muscle wasting
periarticular osteoporosis
investigations
FBC
mantoux test
sputum, urine culture
xray
joint aspiration and biopsy