Unusual histopathological findings in appendectomy specimens from patients with suspected acute appendicitis

Table 2 Detailed characteristics of 134 patients with unusual histopathological findings

Patient characteristic	Results
Patients	134
Sex, n (%)
Male	60 (44.8)
Female	74 (55.2)
Age in years, mean ± SD (range)
Overall	48.4 ± 19.5 (16-94)
Male	50.9 ± 19.3 (16-87)
Female	46.4 ± 19.5 (16-94)
Histopathologic findings, n
Fibrous obliteration	62
Enterobius vermicularis	31
Eosinophilic infiltration	10
Mucinous cystadenoma	8
Carcinoid tumor	6
Granulomatous inflammation	5
Adenocarcinoma	3
Mucinous adenocarcinoma	1
Mucocele	3
Adenomatous polyp	1
Taenia saginata	1
Ascaris lumbricoides	1
Non-Hodgkin’s lymphoma (B cell)	1
Appendicular diverticulitis	1
Age distribution of 134 patients with unusual findings (yr)
16-20	8
21-30	30
31-40	15
41-50	16
51-60	22
61-70	22
≥ 71	21