Disease: Adnexal- spiradenoma/cylindroma- of a sweat gland Eccrine Carcinoma Eccrine Carcinoma Magnifying glass on spiradenoma and cylindroma histogenesis and tumorigenesis using systematic transcriptome analysis Malignant spiradenoma/cylindroma of the vulva Metaplastic spiradenocarcinoma: Report of two cases with sarcomatous differentiation