Forty-four cases of leiomyoblastomas are presented and their clinicopathologic characteristics discussed. Most of the tumors were located in the stomach (26 cases). Biologic behavior correlated with the duration of symptoms, anatomic location, and the size of the tumor. Prognosis cannot be predicted with certainty on the basis of histologic characteristics. Thirty-eight per cent of the gastric and 55% of the extragastric tumors proved fatal. Treatment of choice depends on location and extent of disease but, in general, ought to be similar to that of leiomyosarcoma.
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Lavin et al. (1972) studied this question.
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