Clinical manifestation of tuberculous and pyogenic spine infection
Buranapanitkit, B.; Lim, A.; Kiriratnikom, T.
Journal of the Medical Association of Thailand 84(11): 1522-1526
2001
ISSN/ISBN: 0125-2208 PMID: 11853293 Document Number: 6351
The authors compared clinical and baseline parameters between patients with tuberculous spondylitis (67 patients) and pyogenic vertebral osteomyelitis (34 patients). The average age was 50.8 (range, 1 to 82 years). Males were slightly more predominant in both pyogenic and tuberculous infections. Seventy per cent of patients with pyogenic infection had had symptoms for less than 3 months, while this was the case for only 44 per cent of the tuberculous patients. Lumbar spine was the most common site of involvement. Associated infections were more commonly found in tuberculous infection. Thirty per cent of tuberculous spondylitic patients were initially misdiagnosed, while 44 per cent of patients with pyogenic vertebral osteomyelitis had delayed diagnosis. Only 20 per cent and 30 per cent of tuberculous and pyogenic patients had fever, respectively. Neurological deficit occurred more frequently in pyogenic than in tuberculous infection (79% vs 59%), while bowel bladder involvement was more commonly found in tuberculous spondylitis. Kyphosis was significantly more common in tuberculosis than in pyogenic infection (50.8% vs 26.5%, respectively). Sinus tract formation, subcutaneous abscess formation and positive for SLRT (straight-leg-raising test) were found in only a small percentage of the patients. Duration of symptoms, site, associated infection, kyphosis and neurological deficit could be used for differentiation of spinal infection.
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