Recurrent intracranial esthesioneuroblastoma outside the initial field of radiation with progressive dural and intra-orbital invasion

A Tamase, M Nakada, M Hasegawa, H Shima, J Yamashita
Acta Neurochirurgica 2004, 146 (2): 179-82
A 55-year-old man presented with esthesioneuroblastoma in the right paranasal sinuses and orbita, extending into the right anterior and middle cranial fossa. He received a partial resection of tumour and post-operative radiotherapy, which was set with a central focus on the right orbit. Five years later, he came to our hospital with a complaint of left exophthalmos. Neuro-imaging revealed that the tumour recurred on the opposite side of the primary lesion, which was out side the irradiated field, with progressive invasion of the left temporal dura. The residual tumour in the irradiated field had reduced in size. He received gross total resection and post-operative radiotherapy. We would like to emphasize that radiotherapy is an important adjuvant therapy for esthesioneuroblastoma, and that the field setting for radiation therapy is extremely important.

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