DEVOTEDE to congenital malignant neoplasms since the report of Wells in 194053 and the information contained in that paper is of little value today because no real attempt was made to classify the mesenchymal tumors beyond recording the shape of the cell.A number of congenital mesenchymal tumors have been published since 1940 either as individual cases oi-as part of groups with tumors developing in the postnatal period; however, if one is confronted with such a tumor today, one is
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Kauffman et al. (1965) studied this question.
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