硬口蓋に発生した悪性黑色腫の1例

　緒言

　文献を見ると，悪性黒色腫はそう珍しいものではないが，硬口蓋に発生したものはそう多くも見当らないので，今迄の文献に追加したいと思う。

Takahashi reports a case of malignant mela-noma in a woman, aged 64, that involved the hard palate. In spite of the fact that the grow-th having been removed surgically and treat-ed by irradiation therapy as a follow-up the patient died. The tumor mass showed a part carcinoma, and the other a sarcoma. It is assumed that malignant turn in the growth night have taken place by constant irritation caused by full plate of the upper denture of which the patient was obliged to wear.