Neonatal fistula from the appendix to the umbilicus.
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Inflammatory myofibroblastic tumors (IMT) are rare, benign lesions. They mimic, clinically and radiologically, malignant tumors-especially sarcoma. IMT most often are seen in the lung of young adults, but there have been reports of these tumors occurring in children, in various sites. The authors report a case of appendiceal IMT arising in a 15-year-old boy previously treated for inherited distal renal tubular acidosis. He was admitted because of anorexia, weight loss, and a low-grade fever. The ultrasound study showed bilateral hydroureteronephrosis, with a poorly functioning right kidney noted on intravenous urography, and a retrovesical soft-tissue mass. Laboratory studies showed renal insufficiency, an elevated white blood cell count, anemia, thrombocytosis, and hypergammaglobulinemia. During laparotomy, a pelvic appendiceal mass was discovered, appendectomy was performed, and the pathological diagnosis of inflammatory myofibroblastic tumor was made. Three months later the boy was well, and the biological, sonographic, and urographic results had returned to normal. A review of 74 cases of abdominal IMT occurring in childhood emphasizes the importance of pathological differentiation of these lesions from malignancy, with early total excision whenever possible. Long-term follow-up is necessary to detect local recurrence, which may develop many years later, and to confirm the allegedly benign nature of these tumors.
Instead of proceeding directly to open surgery after failed hydrostatic reduction, the author has performed laparoscopy and found that laparoscopic reduction is successful in approximately half of cases. The remainder are treated by conventional surgery.
This report describes a teenage girl with cystic fibrosis in whom appendicitis developed complicated by appendicovesical fistula. This is a rather uncommon complication in the modern era.
PURPOSE: The technique and outcome of minimally invasive laparoscopic treatment of various forms of intussusception in children after ineffective attempt at conservative treatment are described. METHODS: Ninety-eight patients from 2 months to 11 years of age were analyzed. RESULTS: Suggested scheme of surgical treatment using laparoscopic technique was successful in 64 patients (65.3%), and conversion to open procedure occurred in 34 (34.7%). There was no mortality or intraoperative complications in our series. CONCLUSION: Practically every form of intussusception without bowel necrosis, including the most complex forms, can be reduced now using modern videolaparoscopic equipment and atraumatic instruments.
An epidermoid cyst of the cecum is reported in an 8-year-old girl who presented with vague abdominal pain. Abdominal ultrasound scan showed a mass that was cystic in nature. During operation, a subserosal cystic mass was found in the wall of the cecum and confirmed to be an epidermoid cyst histopathologically. This is the first case of epidermoid cyst of the cecum in children reported in the literature.
BACKGROUND/PURPOSE: Chronic right-lower-quadrant abdominal pain is a frequent problem in the pediatric population. The purpose of this report is to detail the outcome of management of these patients with appendectomy. METHODS: Appendiceal colic was judged to be present if the history showed cramping abdominal pain in association with McBurney's point tenderness. This is a retrospective review of 50 consecutive pediatric patients experiencing pain for greater than 1 year. All patients were evaluated at a single institution by one surgeon and underwent elective appendectomies from April 1985 through April 1997. RESULTS: Seventy-five percent of the patients were girls. One hundred forty-nine imaging and endoscopic studies were performed with 135 negative findings. Twenty-three patients had a minimum of one previous emergency room visit or hospitalization for the same abdominal complaints. The pathological findings were distinctly different from those of incidental appendectomies. Three patients had undergone previous diagnostic explorations for abdominal pain, the appendix was not removed, and a subsequent appendectomy relieved the discomfort. Forty-nine of the 50 patients were pain free at 1 year. CONCLUSIONS: Appendiceal colic is a clinical diagnosis. It is anticipated that patients with cramping abdominal pain associated with McBurney's point tenderness could undergo less preoperative workup and expedited resolution of the problem in the future.
A case-control study showed that, compared with infants who had never been fed human milk, breast-fed infants had a relative risk of intussusception of 6.0 (95% confidence interval, 1.8 to 20.4) when breast-feeding at admission was exclusive and of 2.3 (95% confidence interval, 0.8 to 6.6) when it was partial. Exclusive breast-feeding may be a risk factor for intussusception in infancy.
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A permature male infant required intravenous alimentation for six weeks following extensive surgery for ileal and cecal necrosis. At 3 months he developed evidence of hepatitis. Subsequently osteoporosis and the Fanconi syndrome appeared. Urine phosphate clearance was 83 percent of creatinine clearance at a serum phosphate concentration of 1.6 mg/dl. Concentration of plasma immunoreactive parathyroid hormone was elevated at 550 pg/ml. 25-Hydroxycholecalciferol was given at 240 mug/day. Aminoaciduria disappeared and bone healing occurred. Serum phosphate rose to 6.5 mg/dl and phosphate clearance fell to 2 percent of creatinine clearance. Upon cessation of 25-OHCC therapy, the Fanconi syndrome recurred despite administration of vitamin D2. 25-OHCC was then administered at 40 mug/day, and the urine abnormalities were reversed. The patient probably developed hyperparathyroidism, secondary malabsorption, and hepatitis. The Fanconi syndrome was the consequence of the hyperparathyroidism. 25-OHCC therapy was more effective than vitamin D in reversing the disordered state, possibly because of impaired hepatic metabolism of vitamin D2.
Appendicitis and its complications are among the causes of an enterovesical fistula, with approximately 100 such cases reported. This condition is seldom diagnosed preoperatively and surgery is often delayed. We report 2 cases of an appendicovesical fistula that were diagnosed preoperatively by computerized tomography (CT). We describe a CT finding consistent with the diagnosis, namely calcification in the thickened bladder wall adjacent to the cecum on noncontrast CT, which is a fecalith in the lumen of the fistula.
We report an unusual case of an enterovesical fistula secondary to adenocarcinoma of the appendix.
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