PubMed · 13609197
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C V MUNTHE FOG. 1958. Brain abscess.. https://pubmed.ncbi.nlm.nih.gov/13609197/
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This study evaluates the local levels of proinflammatory cytokine, tumor necrosis factor alpha (TNF-alpha), and anti-inflammatory cytokine, interleukin-10 (IL-10), in an experimental buccal abscess of a diabetic rat model. We prepared a buccal cavity induced by injection of carrageenin in a diabetic rat (blood glucose, 460.6 +/- 54.7 mg/dl, mean +/- SE) induced by streptozotocin (STZ). The buccal abscess was formed by the direct inoculation of Streptococcus pyogenes S-8 (2 x 10(7) cfu) into the buccal cavity at day 5 after carrageenin injection. Cytokine levels in the exudate of the buccal abscess were measured by enzyme-linked immunosorbent assay for 48 h after infection. Bacterial counts, weighing of exudate, and histological analysis were also performed. The mean TNF-alpha levels in the buccal abscess exudate of the diabetic group, which were generally higher than those of the control group, tended to increase over time until 48 h after infection, while the TNF-alpha levels in the control group peaked at 24 h after infection and then decreased. The IL-10 levels in the diabetic group remained almost unchanged until 48 h after infection, while the IL-10 levels in the control group were significantly higher than in the diabetic group at 12-24 h after infection. The mean ratio of TNF-alpha to IL-10 levels was 1.17-1.67 in the diabetic group, which was higher than the 0.26-0.69 of the control group. The bacterial counts in the buccal abscess and the weight of exudate were significantly higher in the diabetic group compared to the control group at 36-48 h. Histological findings showed that inflammatory cell infiltration was remarkable in the diabetic group compared to that of the control group. These results suggest that the elevated proinflammatory TNF-alpha levels and decreased anti-inflammatory IL-10 levels, which are produced at local infection sites, may at least in part be related to the severity of inflammation in this rat model with diabetes induced by STZ.
Tuberculosis can affect sacroiliac joints, but only a few such cases have been reported. The onset is usually insidious, and early diagnosis requires a high index of clinical suspicion. We report herein a culture-proven case of tuberculous sacroiliitis which initially mimicked neoplastic infiltration on CT scan.
Splenic abscess is an uncommon clinical condition which is usually treated with splenectomy with its attendant risks. Image-guided percutaneous drainage of splenic abscesses has been described in adults. The case of a 12-year-old boy with a splenic abscess who was successfully treated with ultrasound-guided percutaneous catheter drainage is presented. Image-guided percutaneous drainage in children can be a safe and effective alternative to surgery.