[Pseudoneoplastic proliferative fibromatosis of the cecum].
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The spectrum of gastrointestinal tract infections observed in patients with acquired immune deficiency syndrome (AIDS) has been widening rapidly. Patients with cytomegaloviral (CMV infection of the colon have been described predominantly as having cecal disease or a superficial colitis. We report a patient with scattered deep colonic ulcerations, mimicking Crohn's disease and representing another appearance of CMV colitis.
INTRODUCTION: Appendiceal diverticula are uncommon, with an incidence of less than 1% in surgical specimens. We report a series of 14 patients with diverticular disease of the cecal appendix. PATIENTS AND METHOD: A total of 547 patients with a clinical diagnosis of acute appendicitis underwent surgery over 4 years. Of these, 11 patients showed acute appendiceal diverticulitis at histological examination, and three patients showed diverticulosis associated with appendicitis. Clinical features were compared between the group of patients with diverticular disease and the group with acute appendicitis. Statistical analysis was performed using Students t-test and the chi-squared test. RESULTS: The overall incidence of appendiceal diverticula was 2.6%, and 2% of cases had acute diverticulitis. In the group with diverticular disease, the mean age and the percentage of patients under clinical observation before the decision to perform surgery was made were significantly higher. There was a nonsignificant predominance of male over female patients and no differences were found in mean white cell count. No radiological investigations were performed in the diverticular group. CONCLUSIONS: The incidence of appendiceal diverticula was much higher in our series than that reported in the literature. We found no clinical or perioperative data that would serve to differentiate acute diverticulitis from acute appendicitis.
Radiographic appearances simulating tumours were found in 25 patients; the causes of the mistaken diagnosis are critically analysed. The commonest mistake was caused by inflammatory process (eight patients), caecal contents (seven patients) and an enlarged ileo-caecal valve (five patients). Ways of avoiding such misinterpretation are described.author
A man, age 68, presented with two rare clinical entities of adult bowel obstruction. This case showed a caecocolic intussusception (due to a caecal malignant lesion) with a small bowel volvulus secondarily. These are rare but potential life-threatening surgical emergencies.
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Typical findings in 15 patients with diastatic perforation of colon due to neoplasm were the preferential site of perforation in cecum and of obstruction in left colon, and the very poor prognosis with postoperative mortality of approximately 50%. The very varied therapeutic attitude is the result of difficulties in deciding which operative procedure is required. When perforation and obstruction are adjacent, a fairly rare observation, radical excision of the segment of intestine involved appears the most suitable operation. When the two lesions are separated then in addition to conservative treatment (suture of perforation and anus bypass or cecostomy alone or combined with colon bypass) an increasing number of authors recommend initial subtotal colectomy.
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The authors present a case of ileocecocolic intussusception by carcinoma of the caecum. They stress the most peculiar aspects of this condition: rare etiology; complete invagination of caecum appendix and ileum; typical clinical presentation characterized by variable dimensions of the mass and symptoms not ascribing to occlusion, no lesions at endoscopy; evidence of a typical "target mass" visualized at T.C.
The authors study 19 personal cases of inflammatory tumour of the caecum and 60 cases found in the world literature over the same period. Without disputing the definition and classification of these inflammatory tumours which were perfectly drawn up by Bremen and Flamand in 1958, they emphasize the difficulty in determining the precise etiology. Struck by the large number of right hemicolectomies carried out for often benign lesions, they propose in order to reduce their number, the use of new investigations, such as selective arteriography, colonoscopy, and attempt whenever possible, to reduce the inflammation by medical treatment.
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