Anaplastic myxopapillary ependymoma: A case report and review of literature

Table 1 Summary of the clinicopathologic features of myxopapillary ependymomas with anaplasia

Ref.	Age (yr) at MPE with anaplasia (age at typical MPE)	Sex	Location of MPE with anaplasia	Adjacent tissues involved	CSF diss	MIB-1 Index	MVP	Treatment
								Initial	Recurrence
Awaya et al[25], 2003	15	M	Th12-L2	No	No	10%	Yes	GTR	No
Beschorner et al[26], 2007	3	M	Subcutaneous sacrococcyx	Yes	No	40%	Yes	GTR	No
Vega-Orozco et al[27], 2011	38 (22)	M	Inguinal node metastasis	Yes	Yes	NA	Yes	STR, RT	RT
Chakraborti et al[28], 2012	0.9	F	Subcutaneous sacrococcyx	Yes	No	70%	Yes	GTR, CT	No
Huynh et al[29], 2018	24	F	L2-3	Yes	Yes	8%-38%	Yes	GTR	GTR
Lee et al[24], 2019	6	F	L4-S1	No	No	20%	Yes	GTR, RT	No
Lee et al[24], 2019	7	F	T12-L3	No	No	11%	Yes	STR, RT	No
Lee et al[24], 2019	10	M	L1-2	Yes	No	34%	Yes	GTR, RT	No
Lee et al[24], 2019	10	M	S1-2	No	No	15%	Yes	GTR, RT	No
Lee et al[24], 2019	11	M	L4-S3	No	No	14%	Yes	GTR	No
Lee et al[24], 2019	12	M	Lumbo-sacral	Yes	Yes	10%	Yes	GTR	GTR, RT
Lee et al[24], 2019	13	M	L1-2	No	Yes	8%	Yes	STR, RT	No
Lee et al[24], 2019	20 (16)	F	L3-S1	No	Yes	10%	No	GTR	RT
Lee et al[24], 2019	32 (31)	M	S1	No	Yes	10%	Yes	STR, CT, RT	RT
Lee et al[24], 2019	40	F	4th ventricle	No	No	20%	Yes	STR, RT	No
Lee et al[24], 2019	45 (31)	F	Extraspinal pelvic	Yes	Yes	40%	Yes	STR, RT	GTR, CT
Lee et al[24], 2019	50	M	L5-S3	Yes	Yes	10%	Yes	GTR, RT	No
Lee et al[24], 2019	55	F	L1-2	No	Yes	20%	Yes	GTR, RT	No
Lee et al[24], 2019	57 (45)	M	T8-L5	Yes	Yes	26%	Yes	STR, RT	GTR, RT
Kanno et al, 2021	46 (16)	F	L4-S1	Yes	No	12%	Yes	STR	STR, RT

CSF diss: Cerebrospinal fluid dissemination; MVP: Microvascular proliferation; F: Female; M: Male; GTR: Gross total resection; STR: Subtotal resection; Chem: Chemotherapy; RT: Radiation therapy; CT: Chemotherapy; NA: Not available.