Clinical diagnosis and curative effect observation of seventeen patients hemangiopericytoma in orbit

2012 
Objective To conclusion the clinical features and image features,the diagnosis and management of orbital hemangiopericytoma,in order to direct clinical diagnosis and differential diagnosis.Methods Seventeen patients with pathologically confirmed orbital hemangiopericytoma were analyzed retrospectively.Results Patients usually complained of exophthalmos.Fourteen patients can be touched the tumor in the orbit.In B-scan ultrasound,a well outlined lesion was revealed.The type of it was often similarly circular or anomaly.The extent of internal echo was associated with histological structure of lesion.Color doppler flow imaging show that the tumor has rich feeding vessels.Some of them is arterial feeding vessels.On CT scan,hemangiopericytoma generally appears to be a uniform high-density mass with obvious enhancement upon injection of contrast material.All cases underwent surgical resection and are proved by pathological examination.Conclusions Orbital hemangiopericytoma is a potentially malignant tumor.The prognosis and clinical behavior can't be predicted on the basis of their histopathologic classification.Medical imaging can help to demonstrate the site,configuration,and characteristics of the tumors and contribute to the treatment.But,there has not characteristic medical features.The final diagnosis must be depend on the pathology.The best management of hemangiopericytoma is complete local excision.All the patients must be observed nearly. Key words: Orbital neoplasms ;  Hemangiopericytoma;  Retrospective studies
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