Unusual histopathological findings in appendectomy specimens: A retrospective analysis and literature review

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Apr 21, 2011; 17(15): 1961-1970
Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1961

Table 3 Distribution of the 1366 cases defined as “unusual findings” according to etiological causes

Total patients	1366 (1366/80 698 = 1.7%)
Unusual findings	1366	1.7%
Enterobius vermicularis	389	28.4%
Carcinoid	287	21.0%
Schistosomiasis	174	12.7%
Amoebic appendicitis	118	8.6%
Mucinous cystadenoma (+mucocele)	72	5.2%
Ascaris lumbricoides	39	2.8%
Tuberculous appendicitis	34	2.5%
Endometriosis	41	3.0%
Goblet-cell carcinoid	28	2.0%
Trichuris trichiura	22	1.6%
Idiopathic granulomatous appendicitis	35	2.5%
Crohn disease	18
Lymphoma	14
Primary adenocarcinoma	11
Mucinous cystadenocarcinoma	9
Actinomycosis	8
Melanosis	8
Secondary adenocarcinoma	7
Dysplastic change	7
Villous adenoma	6
Hyperplastic polyp	5
Taeniasis	8
GIST (+leiomyoma)	5
Balantidium coli	3
Tubulovillous adenoma	3
Eosinophilic granuloma	3
Neurogenic hyperplasia	2
Tubular adenoma	2
Leukaemia	4
Blastocystis hominis	1
Adenovirus	1
Strongyloides stercoralis	1
Yersinia enterocolitica	1

Citation: Akbulut S, Tas M, Sogutcu N, Arikanoglu Z, Basbug M, Ulku A, Semur H, Yagmur Y. Unusual histopathological findings in appendectomy specimens: A retrospective analysis and literature review. World J Gastroenterol 2011; 17(15): 1961-1970
URL: https://www.wjgnet.com/1007-9327/full/v17/i15/1961.htm
DOI: https://dx.doi.org/10.3748/wjg.v17.i15.1961

Akbulut S, Tas M, Sogutcu N, Arikanoglu Z, Basbug M, Ulku A, Semur H, Yagmur Y. Unusual histopathological findings in appendectomy specimens: A retrospective analysis and literature review. World J Gastroenterol 2011; 17(15): 1961-1970 [PMID: 21528073 DOI: 10.3748/wjg.v17.i15.1961]

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