Occurrence and distribution of pilomyxoid astrocytoma

• DOI: 10.3109/02688697.2012.752430
• Publication Date: 2013-01-03T07:41:05Z
• Authors: D. Bhargava; P. Sinha; P. Chumas; Y. Al-Tamimi; A. Shivane; A. Chakrabarty; S. Surash; F. Novegno; D. Crimmins; A. K. Tyagi
• Keywords: Pilocytic astrocytoma

Purpose. To know the occurrence and distribution of Pilomyxoid Astrocytomas amongst tumours previously diagnosed histologically as Pilocytic Astrocytoma to assess clinical impact this new entity. Methods. Retrospective Diagnostic review all cases WHO Grade I at a single Neurosurgical unit between 1990 2003. Results. Of total 91 identified, 9 were found have histology. these, 8 children (mean age 3.33 years) 1 adult. 6 hypothalamochiasmatic in location. The course was aggressive marked by maturation, multiple recurrences disease control rarely achieved with treatment modality opposed typical pilocytics. overall survival pilomyxoid group not statistically different from pilocytic tumours. Conclusions. Encompassing age-groups locations, constitute about 10% Astrocytoma. Nearly two-thirds are hypothalamo-chiasmatic Knowledge entity is essential for appropriate follow-up.