Calcifying pseudoneoplasm (fibro osseous lesion) of neuraxis (CAPNON) - a case report

Clin Neuropathol. 2010 Jul-Aug;29(4):223-6. doi: 10.5414/npp29223.

Abstract

Calcifying pseudoneoplasm of neuraxis (CAPNON) is a rare but distinctive lesion of the central nervous system. These are benign lesions that mimic ossified vascular lesions clinically and radiologically, and can be cured by complete resection. We report a case in a 48 year old male with complex partial seizures who had a right temporobasal calcified lesion that clinically and radiologically mimicked an oligodendroglioma. Histopathology revealed a large necrotic lobulated mass with admixture of chondromyxoid zones, nodular fibrovascular stroma, metaplastic calcification and ossification in varying proportions.

Publication types

  • Case Reports

MeSH terms

  • Brain Diseases / pathology*
  • Brain Diseases / surgery
  • Calcinosis / pathology*
  • Calcinosis / surgery
  • Diagnosis, Differential
  • Humans
  • Male
  • Middle Aged
  • Oligodendroglioma / diagnosis