Hidradenocarcinoma eccrines C44.L9

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Eccrine sweat gland carcinoma; Malignant eccrine hidradenoma; Nodular eccrine hidradenocarcinoma

Definition
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Rare malignant adnexal tumor.

Manifestation
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Mostly in older people.

Localization
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Face, lower extremity

Clinical features
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Mostly uncharacteristic, red, ulcerated node with aggressive growth behaviour. Tendency to visceral metastasis (bone, lung).

Histology
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Asymmetrical carcinoma often developed at the base of a hidradenoma, which infiltrates the deeper parts of the dermis (and subcutis) in a broad-based manner. Tumour formations with net-like branched, very irregular structures. Tumor cells with bright cytoplasm. As in poroma formation, basaloid as well as light cytoplasmic parts. In places, spindle-cell differentiated cell sections are also possible. Plenty of mitoses. Proof of mass necrosis.

Differential diagnosis
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Therapy
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Surgically with safety margin according to the guidelines for spinocellular carcinoma. Sentinel lymph node biopsy required.

Literature
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  1. Bogner PN et al (2003) Lymphatic mapping and sentinel lymph node biopsy in the detection of early metastasis from sweat gland carcinoma. Cancer 97: 2285-2289
  2. Khalil HM et al (2003) Malignant eccrine hidradenoma of neck causing acute heart failure. Auris nasus larynx 30: 307-310
  3. Lim SC et al (1998) Giant hidradenocarcinoma: a report of malignant transformation from nodular hidradenoma. Catholic Int 48: 818-823
  4. Park HJ et al (2000) Nodular hidradenocarcinoma with prominent squamous differentiation: case report and immunohistochemical study. J Cutan cathode 27: 423-427

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020