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76th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

04.05. - 08.05.2005, Erfurt

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Rare differential diagnoses of basal cell adenoma of the parotid gland

Meeting Abstract

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  • corresponding author Alexandra Lausen - Univ.-HNO-Klinik Hamburg-Eppendorf, Hamburg
  • Larissa Langhanki - Univ.-HNO-Klinik Hamburg-Eppendorf, Hamburg
  • Ingo Teudt - Univ.-HNO-Klinik Hamburg-Eppendorf, Hamburg
  • Michael Jaehne - Univ.-HNO-Klinik Hamburg-Eppendorf, Hamburg

Deutsche Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie. 76. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e.V.. Erfurt, 04.-08.05.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc05hno373

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/hno2005/05hno218.shtml

Published: September 22, 2005

© 2005 Lausen et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.

Outline

Text

Skin adnexal neoplasms (SAN) show a wide patholic variety. Great simalarities partly exist with salivary gland tumors (SGT); a differentiation of these tumors might be difficult. The actual case report had the target to relevantly present the different clinical and therapeutical

consequenses with relation to basal cell adenomas.

Case report: A 59 year old patient had an approx. 1.5 cm neoplasm in the right nasolabial plica. This encapsulated tumor with low echo could be sonographicaly displayed close to the parotid gland parenchyma. The external biopsy showed as a result a basal cell adenoma (differential di-agnosis: basal cell adenoma carcinoma). After total tumor-excision the final diagnosis resulted in a basal cell carcinoma.

Discussion: SAN and SGT form a complex frame of epithelial, myo-epithelial, mesenchymial structures. Histo-morphological examinations confirmed large similarities between these neoplasms. Therefore –as in the actual case- the basal cell adenoma of the parotid gland is partly dif-ficult to histologically differentiate from the cutaneous cylindroma or the basal cell carcinoma. A plain excision of basal cell carcinomas is stan-dard. The basal cell adenomas of the salivary glands show a remarkably higher relapse with possibly malignant transformations (basal cell ade-noma carcinoma). Furthermore a possibility of combined familiar occur-rence of SAN and SGT does exist.

Conclusion: Patients with SAN and SGT require an extensive- also fa-miliar anamnesis. Moreover the precise examination of all salivary glands and the integument is necessary. Additionally a thorough aftercare of these patients over several years has to be applied.