Tuberculous spondylodiskitis with a musculocutaneous fistula
Chronic lower backache, with tenderness, low grade fever, and swelling at the right pelvicoinguinal region
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Narrowing of the L4-L5 disc space with sclerosis and irregular endplates destruction. Thickening of the prevertebral soft tissue with small abscesses formations. A fistulous tract is seen through the right psoas muscle to the ipsilateral pelvic region, forming a large fistulous abscess of the pelvic wall.
CT features of L4-L5 spondylodiskitis with prevertebral abscess formation and fistulation to the pelvic wall (confirmed as tuberculous in origin).