Endometriosis of the duplex appendix: A case report and review of the literature

Table 2 Clinical features of patients with appendix endometriosis

Ref.	Year	Age	Symptoms	Previous history	Episode time	Hemoperitoneum
Uncu et al[25]	2008	45	Abdominal pain and nausea	Not described	The second day of menstruation	Yes
Akbulut et al[26]	2009	40	Lower right quadrant pain	Lower right abdominal pain before every menstrual period for 8 or 9 yr	The third day of menstruation	Not described
Uwaezuoke et al[23]	2013	29	Right iliac fossa pain	One-year history of recurrent lower abdominal pain	The second day of menstruation	Yes
Curbelo-Peña et al[24]	2015	39	Right iliac fossa pain	Not described	Be menstruating at the time	Yes
Shen et al[27]	2016	34	Right iliac fossa pain	Repeated abdominal pain associated with menstruation for several months	The second day of menstruation	Yes
St John et al[19]	2018	29	Migratory lower right quadrant pain	Not described	The second day of menstruation	Yes
Our case	2019	44	Migratory lower right quadrant pain	Eight-year history of repeated lower abdominal pain	Five days after the last menstrual period ended	Yes