Malignant eccrine poroma invading the parotid gland

Malignant eccrine poroma was first described by Pinkus and Mehregon in 1963. Because of the histologic characteristics of the tumor, these authors concluded that the tumor was likely of eccrine origin. Malignant eccrine poroma originates from the intraepidermal ductal portion of the eccrine gland. L...

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Bibliographic Details
Published in:Acta oto-laryngologica 2006-04, Vol.126 (4), p.435-437
Main Authors: Aydin, Erdinc, Akdogan, Volkan, Akkuzu, Güzin, Ilgici, Dilek
Format: Article
Language:English
Subjects:
Acrospiroma - diagnosis
Acrospiroma - pathology
Acrospiroma - surgery
Aged
Biological and medical sciences
Carcinoma
Carcinoma, Squamous Cell - diagnosis
Dermatology
Diagnosis, Differential
Eccrine Glands - pathology
Humans
Immunohistochemistry
Male
Medical sciences
Neck Dissection
Neoplasm Invasiveness
Otorhinolaryngology. Stomatology
parotid gland
Parotid Gland - pathology
Parotid Gland - surgery
skin appendage
Skin involvement in other diseases. Miscellaneous. General aspects
Sweat Gland Neoplasms - diagnosis
Sweat Gland Neoplasms - pathology
Sweat Gland Neoplasms - surgery
Tumors of the skin and soft tissue. Premalignant lesions
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Summary:Malignant eccrine poroma was first described by Pinkus and Mehregon in 1963. Because of the histologic characteristics of the tumor, these authors concluded that the tumor was likely of eccrine origin. Malignant eccrine poroma originates from the intraepidermal ductal portion of the eccrine gland. Like other tumors of skin adnexa, malignant eccrine poroma is a rare tumor. It mostly affects older persons. Clinical diagnosis is difficult, and lesions are often mistakenly identified as squamous cell carcinoma or pyogenic granuloma. We report a case of malignant eccrine poroma invading the parotid gland. A 65-year-old man presented with an ulcerated mass (2×3 cm) below the ear lobule of 3 months' duration. The mass was fixed to the skin and underlying parotid gland. The lesion was treated using a superficial parotidectomy approach including the overlying skin. Simultaneous neck dissection was performed. The diagnosis was malignant eccrine poroma invading the parotid gland.
ISSN:0001-6489
1651-2251
DOI:10.1080/00016480500395187