Malignant eccrine poroma: report of three cases.
نویسندگان
چکیده
The characteristic clinical and histological features of three cases of malignant eccrine poroma are discussed, in addition to the metastatic disease that had occurred in two cases. These cases were compared with previously reported cases of malignant eccrine poroma that had metastasised, and it is suggested that a strict classification of malignant eccrine sweat gland tumours should be made.
منابع مشابه
Eccrine poroma and porocarcinoma on the same unusual location: report on two cases*
Eccrine poroma is a benign adnexal tumour of the uppermost portion of the intraepidermal eccrine sweat gland duct and acrosyringium. Eccrine porocarcinoma is the malignant phenotype arising from the intraepidermal portion of the eccrine sweat gland duct epithelium or from pre-existing eccrine poroma. Both commonly occur in the palms or sides of the feet; these areas have a high concentration of...
متن کاملDermoscopy of non-pigmented eccrine poromas: study of Mexican cases
BACKGROUND Eccrine poroma is a benign neoplasm that can mimick a malignant neoplasm dermoscopically. The characteristic vascular pattern of this tumor has not been established. OBJECTIVE To evaluate dermoscopic features of non-pigmented eccrine poroma in Mexican patients. METHOD We retrospectively studied histologically proven cases of eccrine poroma from three Mexican hospitals analyzed by...
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Eccrine poroma is a benign neoplasm thought to originate from the eccrine sweat glands. The majority of eccrine poroma occur on the hairless acral surface, and cases of eccrine poroma on the scalp are rare. Moreover, all these case reports describe only the histopathological, not radiological, features of eccrine poroma. Here, we first report the magnetic resonance (MR) findings in a rare case ...
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Malignant eccrine poroma is a rare skin appendageal tumor arising from the intraepidermal ductal portion of the eccrine sweat gland. It may develop either spontaneously or from a long-standing eccrine poroma. It usually affects the aged and is located most commonly on lower extremities. We report a case of malignant eccrine poroma occurring on the suprapubic area of a 75-year-old Korean man. He...
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Eccrine poromas and porocarcinomas are adnexal tumors derived from the sweat duct epithelium. However, eccrine poroma is benign in nature, whilst eccrine porocarcinoma is regarded as its malignant counterpart. We report the case of a man who presented simultaneously with an eccrine poroma and eccrine porocarcinoma. Both lesions had no clear distinctive features, enhancing the need of high-level...
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ورودعنوان ژورنال:
- Journal of clinical pathology
دوره 39 10 شماره
صفحات -
تاریخ انتشار 1986