Primary intramedullary melanocytoma presenting with lower limbs, defecation, and erectile dysfunction: A case report and review of the literature

Table 1 Reported cases of primary intramedullary melanocytomas

Case No.	Ref.	Time	Age (yr)	Sex	Location	EOR	RT	Relapse	MT	Metastasis	Treatment	Follow-up	Comment
1	Verma et al[23]	1979	71	F	T2-T3	Subtotal	Yes	Yes	NG	No	Re-resection and chemotherapy	53 mo	PFS is 15 mo after the second therapy
2	Litofsky et al[26]	1992	32	M	Clivus - C5	Total	No	No	-	-	-	40 mo
3	Ibáñez et al[22]	1997	44	F	T11	Total	No	No	-	-	-	54 mo
4	Matsumoto et al[27]	1998	48	M	T8-T9	Total	No	No	-	-	-	12 mo
5	Rades et al[17]	2001	23	F	T4-T7	Subtotal	No	Yes	Yes	Yes	Re-resection and RT	54 mo	Died from brain metastases
6	Das et al[28]	2001	50	M	T10	NG	Yes	Yes	NG	Yes	-	30 mo	Died from aspiration pneumonia
7	Iida et al[29]	2002	42	M	T8-T10	NG	No	No	-	-	-	4 mo	Died from a urinary tract infection
8	Iida et al[29]	2002	52	M	C2	Subtotal	No	No	-	-	-	24 mo
9	Turhan et al[7]	2004	64	M	T12-L2	Total	No	No	-	-	-	24 mo
10	Turhan et al[7]	2004	19	F	T8	Total	No	No	-	-	-	36 mo
11	Wang et al[30]	2007	57	M	L5-S1	Total	No	Yes	NG	No	Re-resection and RT	17 mo	5 mo after the second surgery, metastases were found in the liver and the left ninth rib
12	Chacko et al[31]	2008	22	M	T6-T11	Total	No	No	-	-	-	96 mo
13	Karikari et al[10]	2009	32	F	T10	Total	No	No	-	-	-	3 mo
14	Karikari et al[10]	2009	20	M	T12	Total	No	No	-	-	-	6 W
15	Caruso et al[32]	2009	62	M	T11	Total	No	No	-	-	-	24 mo
16	Perrini et al[3]	2010	79	F	T10-T11	Subtotal	No	Yes	Yes	No	Re-resection	30 mo
17	Eskandari et al[33]	2010	45	M	T11	Total	No	Yes	NG	No	RT	36 mo
18	Wagner et al[34]	2015	63	M	C2-C3	Total	No	Yes	NG	No	RT	18 mo	Neurological stabilization for 15 mo after radiotherapy
19	Wang et al[35]	2016	60	M	T1; T3-T4	Total	No	No	-	-	-	19 mo
20	Reutov et al[36]	2016	28	F	C1-C2	Total	No	No	-	-	-	24 mo
21	Lee et al[12]	2017	45	M	C1	Total	No	No	-	-	-	6 mo
22	Gupta et al[37]	2017	20	M	C1-C2	Total	Yes	No	-	-	-	12 mo

F: Female; M: Male; EOR: Extent of resection; RT: Radiotherapy; MT: Malignant transformation; NG: Not given; PFS: Progression free survival.