Monodermal teratoma: Three case reports and review of literature

Table 3 Features of testicular monodermal teratoma in previously reported cases

Number [Ref.]	Year	Age	Tumor location	Tumor marker	Imaging	Transfer	Maximum tumor diameter in cm	Treatment	Recrudescence
1[51]	2022	25, 58	Left testis, right testis	Normal	Ultrasound shows onion ring appearance	No	1.7, 1.7	Excision testicular tumor, Periodic review	No
2[48]	2022	67	Right testis	Normal	Unspecific	No	12.2	Right orchiectomy	No
3[37]	2020	43	Left testis	Normal	Ultrasound shows onion ring appearance	No	2.7	Left radical orchiectomy	No
4[52]	2020	26	Left testis	Normal	MRI showed onion ring appearance	No	4.8	Excision of left testicular tumor	No
5[45]	2019	62	Left testis	Normal	Ultrasound shows onion ring appearance	No	2.0	Left radical orchiectomy	No
6[53]	2015	11	Left testis	Normal	Unspecific	No	0.83	Excision of left testicular tumor	No

MRI: Magnetic resonance imaging.