Arch Hand Microsurg 2018; 23(3): 190-194  
Solitary Spiradenoma of the Hand Misdiagnosed as Neurilemmoma
Je Yeon Byeon, Jun Hyuk Kim
Department of Plastic and Reconstructive Surgery, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
Correspondence to: Jun Hyuk Kim
Department of Plastic and Reconstructive Surgery, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, 31 Suncheonhyang 6-gil, Dongnam-gu, Cheonan 31151, Korea
TEL: +82-41-570-2195, FAX: +82-41-574-6133, E-mail: psdoctor@schmc.ac.kr
Received: March 21, 2018; Revised: July 13, 2018; Accepted: July 16, 2018; Published online: September 1, 2018.
© Korean Society for Surgery of the Hand, Korean Society for Microsurgery, and Korean Society for Surgery of the Peripheral Nerve. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Spiradenomas are benign tumors that originate in the sweat glands. In this case, a 36-year-old Asian woman with no significant medical past history presented with history of tingling and numbness of little finger in the ulnar nerve sensory territory. There is positive Tinel’s sign at her ulnar side of hand. At first, neurilemmoma was suspected based on findings of clinical examination. Under local anesthesia, excisional biopsy was performed. Histopathologic study demonstrated the typical histopathologic findings of spiradenoma. In this case, Author misdiagnosed as neurilemmoma due to its neurologic symptom rather than typical spiradenoma’s characteristics such as neurologic symptom. Since there is a possibility that it may be different from the first impression, it is imperative to carry out sufficient inspection before surgery to avoid misdiagnosis. Proper diagnosis of eccrine spiradenoma is important because of the occurrence of potentially life-threatening malignant transformation.
Keywords: Hand, Adenoma, Neurilemmoma, Tinel


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