![]() In 14 of 28 cases the appendiceal diverticulum was the site in which acute appendicitis began. The incidence of appendiceal diverticula was higher, whereas the incidences of carcinoid tumor and FOL were lower compared with that in the western report. Incomplete FOL was considered to progress to complete form with age. FOL was more frequent in female patients as well as patients over 40 years of age. There were 69 cases of FOL (32 complete forms and 37 incomplete forms), among which 13 cases were associated with acute appendicitis. Lumen is replaced by spindle cells (schwann cells essentially) with chronic. Among 478 incidental appendectomy cases, there were 3 acute focal appendicitides, 1 acute suppurative appendicitis, 1 eosinophilic appendicitis, 32 periappendicitides, 1 mucocele, 40 pure FOLs, 1 deciduosis, 1 endometriosis, and 1 diverticulosis without inflammation. A case of fibrous obliteration of the appendix. ![]() In the former acute primary diverticulitis led to acute appendicitis in 14 of 28 cases. ![]() Twenty eight cases of acute appendicitis were associated with diverticula. Incidence of the acute appendicitis was suspected to be 7.2/100,000/year. Diagnostic accuracy of the acute appendicitis was 79.7%. Patients having acute appendicitis ranged from 3 to 84 years of age, and patients in their 10's and 20's occupied over half of 2159 cases. Conclusion: All appendectomy specimens must be submitted to the pathologist for histological diagnosis. (24.3), followed by neoplasm (20) and fibrous obliteration (14.2). The appendectomy specimen consisted of 91 cases of acute focal appendicitis (5.4%), 926 cases of acute suppurative appendicitis (55.1%), 228 cases of acute gangrenous appendicitis (13.6%), 63 cases of periappendicitis (3.8%), 13 cases of pure fibrous obliteration of the lumen (FOL 0.8%), 18 cases of other diseases (7 mucoceles, 2 mucinous cystic neoplasms, 4 carcinoids, 2 metastatic carcinomas, 2 tuberculous appendicitides, and 1 eosinophilic appendicitis 1%), and 342 cases with no diagnostic abnormality (20.3%). Unusual histopathologies of the appendix S Afr J Surg. The most common unusual causes were parasites (37%) led by schistosomiasis (24.3%), followed by neoplasm (20%) and fibrous obliteration (14.2%).Īlthough uncommon (5.3%), the unusual causes of appendicitis may result in an adverse patient outcome and/or require specific treatment that may be overlooked if histopathology reports are not checked routinely.We reviewed 2159 consecutive cases of surgically resected appendices. Of the 2244 specimens analysed the mean age was 25, 6 years (2-88yrs) and the gender distribution was 61.9 % males and 38.1% females. From the 2244 specimens analyzed, 8.1%, 52.7% and 30.1% were due to normal appendix, acute appendicitis and complicated appendicitis respectively, and the incidence of unusual histopathology findings was 5.3% (119/2244). It has been reported that 30 of resected appendix specimens show fibrous obliteration. 164 specimens were excluded because they were part of colonic resection for conditions unrelated to the appendicitis. All specimens were examined by the National Health Laboratory Services (NHLS).Ī total of 2408 histopathology results were obtained from the national health laboratory system. To determine the incidence and type of unusual histopathology of the appendix.Ī retrospective review of histopathology reports of appendix specimens obtained during appendectomies done between January 2012 and December 2014 in the three academic hospitals of Johannesburg (CHBAH, CMJAH, and HJH).
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