Recurrence in supratentorial anaplastic ependymoma.

Abstract:

AIM:To study the outcome and recurrence in supratentorial anaplastic ependymoma. METHODS:Sixteen cases of supratentorial anaplastic ependymoma were reviewed. The average age of presentation was 8.2 years ranging from 1 to 16 years of age. The mean duration between the onset of first symptoms to time of presentation was 4.2 months. Follow-up ranged from 5 to 58 months with a mean of 16.8 months. RESULTS:Gross total excision of tumor was achieved in 14 cases, as judged on the basis of intraoperative impression and confirmed with postoperative contrast MR or CT scan. There were 2 unfortunate deaths in the series, one as result of disseminated intravascular coagulation in view of massive blood loss and the other child had evidence of central transtentorial herniation preoperatively which failed to recover. Postoperative cranial radiotherapy was offered to all the 14 remaining cases. Twelve of 14 cases showed evidence of recurrence at follow-up. Recurrence occurred as early at 6 months and as late as 58 months. Only 2 children were recurrence free at follow-up of 6 months and 14 months, respectively. Two operated and irradiated cases of differentiated ependymomas (grade II) developed anaplastic recurrence at follow-up of 5 years and 9 years, respectively, suggesting a malignant transformation of tumor at follow-up. Four out of 12 cases were reoperated for their recurrence in view of localized nature of recurrence and good Karnofsky's performance status. CONCLUSION:It is obvious that anaplastic ependymomas of the supratentorial compartment are aggressive tumors with high rates of recurrence even after gross total excision and irradiation. Gross total excision and postoperative irradiation are not effective in preventing early recurrence in anaplastic ependymomas, and other factors affecting the outcome need to be analyzed.

journal_name

Pediatr Neurosurg

journal_title

Pediatric neurosurgery

authors

Kumar R,Singhal N,Jaiswal SK,Mahapatra AK

doi

10.1159/000106384

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

364-8

issue

5

eissn

1016-2291

issn

1423-0305

pii

000106384

journal_volume

43

pub_type

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