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The recurrence rates of primary ABC seemed to be higher in younger children. Considering the high cure rates with intralesional procedures even after recurrence, we suggest less aggressive intralesional procedures even in patients with mentioned risk factors; however, the patients' family should be informed about the high probability of recurrence.

Between 1987 and 1999 we diagnosed and treated 110 patients with osteoid osteoma. Sixty patients were younger than 20 years. One hundred and four patients had characteristic pain at night. The mean duration of symptoms before surgery was 16 months. One hundred and four symptomatic patients were treated operatively with either wide resection or curettage. Ninety-one patients had immediate and complete relief of pain. The average follow-up was 2.5 years.Résumé Entre 1987 et 1999 nous avons traités 110 malades souffrant d'un ostéome osteoide. 60 malades étaient âgés de moins de 20 ans. 104 malades avaient la douleur nocturne caractéristique. La durée moyenne de symptô-mes avant la chirurgie était de 16 mois. 104 malades symptomatiques ont été opérés avec résection large ou curetage. 91 malades ont eu un soulagement immédiat et complet des douleurs. La moyenne de suivi était de 2.5 années.

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H ydatid disease of bone is rare. It probably represents between 0.5% and 4% of all human hydatid disease and, in about 60% of patients, affects the spine or pelvis. Between 1986 and 1998, we treated 15 cases of bone hydatidosis. Curettage, swabbing with povidone iodine and filling the defect with polymethylmethacrylate (PMMA) were carried out in ten patients. Three of these had a recurrence after five years, but seven had no signs of relapse during a mean follow-up of 52 months. We believe that the combination of antihelminthic therapy, wide resection and the use of PMMA gives the best outcome in the treatment of bone hydatidosis.

Cytokines have been considered as important participants in the post-burn pathophysiological process. The aim of this study was to investigate the course of a proinflammatory cytokine interleukin-8 (IL-8) and an anti-inflammatory cytokine IL-10 in burned patients and whether there was a correlation between mortality and serum levels of these cytokines. Thirty-six acutely burned patients, admitted to Ankara Numune hospital burn unit, entered into the study. A series of serum samples were collected, and serum levels of IL-8 and IL-10 were determined using enzyme-linked immunosorbent assay kit. According to definition utilised, 21 patients developed septic shock and nine of them died. There was no mortality among the 17 non-septic patients. In all 36 patients, there was an increase in serum IL-8 levels, and a peak level was detected shortly after burn injury. The peak IL-8 value of the non-survivors was greater when compared with that of the others. On admission, a significant difference in serum IL-8 values was found between survivors and those who died. In all patients, a peak level of IL-10 was detected between 5 and 9 days of injury. In non-septic survivors, this peak level was less when compared with that of the others. After this peak level, in all patients, serum IL-10 levels showed a decrease, but in non-survivors, a second peak level was detected. A greater understanding of the pathology of the burn sepsis allows rationale use and assessment of current therapies. The results obtained in this study provide useful information on the formulation approaches to this task. Also, IL-8 and IL-10 are prognostic factors in burn sepsis.