Haemangiopericytoma in otolaryngology

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Abstract
Haemangiopericytoma is a rare vascular tumour with variable pathological behaviour. It arises from the proliferation of special cells called 'pericytes' which are found outside the blood capillaries. There is no specific predilection for any site in the body. Clinically and histologically, it can be benign or malignant, but this differentiation sometimes becomes rather a hard task for the pathologist. Wide surgical excision is the treatment of choice. Radiotherapy and chemotherapy can be valuable adjuncts. Only fourteen cases of nasal haemangiopericytoma have been reported in the literature and these are individually set out in Table I. Another case is reported in this paper, with a review of all the tumours in the field of Otorhinolaryngology since 1942.

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