Squamous-cell Epithelioma of the Thumb: a Case Report
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چکیده
Reports of malignant tumors of the fingers have appeared frequently in medical literature, but most of these have described cases of sarcoma, melanosarcoma, or carcinoma secondary to roentgen, radium, or acid burns. Primary carcinoma of the fingers with no demonstrable etiological factor has rarely been reported. . If chronic irritation is considered an important and definite factor in the origin of cancer, then the fingers, which are used so constantly by the toiling laborer, and exposed to persistent chronic irritation, should be the seat of frequent malignant lesions. Yet, while the dorsum of the hand is not an uncommon location for carcinoma, the fingers are relatively rarely affected. That chronic irritation occasionally produces carcinoma on the fingers, however, is shown by Stahr's report of carcinoma on the thumb of a cobbler, probably due to injury with the awl, and Ullmann's description of carcinoma on a ring finger, due to long continued irritation from a ring. The case here reported is a squamous-cell epithelioma involving the thumb, in a twenty-seven-year-old female. Since no known causative factor has been found, it is of exceptional interest. In the Radiation Therapy Department of Bellevue Hospital, where the bulk of cases treated are malignant tumors, only one out of 6,400 cases proved to be a carcinoma of the finger. The earliest case of carcinoma of the finger was reported in 1827, by Fereday, an English physician, who described, in a vivid manner, a case of carcinoma of the thumb in a fifty-five-year-old man whom he observed during a period of two months. At the end of that time amputation was performed, various non-surgical attempts at healing having proved unsuccessful. Velpeau presented a case in 1850. In 1858 Homans described a lesion occurring on the terminal phalanx of the thumb of a seventy-year-old physician. In the same year Parmentier reported a remarkable case of six tumors, all well circumscribed, occurring on several fingers of one hand of a fifty-two-year-old woman who had sold fish for many years. There were no symptoms at any time, of pain, pressure, or
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تاریخ انتشار 2010