To the Editor.—
Although much has been written about the association of cutaneous tumors with internal malignant neoplasms, opinions vary widely. One of the problems with these studies is the attempt to associate one type of skin tumor with all types of internal malignant neoplasms. For example, the question of increased association of Bowen's disease with internal malignant neoplasms has been answered affirmatively,1 negatively,2 and positively only for females.3 Pairing of a specific skin tumor with all internal malignant neoplasms seems unrewarding. Perhaps more definite answers may result from pairing a particular skin tumor with one specific internal malignant neoplasm. I report herein two cases of fibroepithelioma of Pinkus in the skin overlying breast cancer.
Report of Cases.—Case 1.—
A 52-year-old woman was admitted to the hospital because of a mass in her right breast. She had first noticed the mass four weeks prior to