Evans H L, Su D, Smith J L, Winkelmann R K
Cancer. 1979 May;43(5):1881-4. doi: 10.1002/1097-0142(197905)43:5<1881::aid-cncr2820430543>3.0.co;2-c.
Two patients had carcinoma arising in eccrine spiradenoma. In both patients, recent changes in a long-standing cutaneous nodule prompted excision, and microscopic examination disclosed carcinoma intimately associated with and apparently arising from typical benign eccrine spiradenoma. One patient had lymph node metastasis.
