Duodenal mature teratoma causing partial intestinal obstruction: A first case report in an adult

Table 1 Reported cases of primary duodenal teratoma

Case No.	1	2	3
Year	2014	2019	2020
Reported by	Joshi et al[2] and Chaudhari et al[3]	Puri A et al[4]	Our case
Age	7 d	2 yr	31 yr
Sex	Female	Female	Male
Clinical presentation	Intestinal obstruction	Abdominal mass	Intestinal obstruction
Size	3 cm	12 cm	12 cm
Associated findings	Exomphalos minor; Meckel’s diverticulum	Anemia	None
Treatment	Complete excision	Complete excision	Gastrojejunostomy with segmental duodenectomy
Outcome	Asymptomatic at 5-mo follow-up	Asymptomatic at 10-mo follow-up	Asymptomatic after 5-mo