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Retracted

This paper has been retracted as it is found to contain a substantial amount of material, without referencing, from the article titled “Laparoscopic Resection of an Adrenal Schwannoma” by Toutouzas G. Konstantinos, Tsamis Dimitrios, Kekis B. Panagiotis, Michalopoulos V. Nikolaos, Flessas Ioannis, Manouras Andreas, and Zografos Geogrios, published in the Journal of the Society of Laparoendoscopic Surgeons.

View the full Retraction here.

References

  1. E. Grasso and M. Simone, “Adrenal schwannomas: rare tumor of the retroperitoneum,” Case Reports in Surgery, vol. 2015, Article ID 547287, 4 pages, 2015.
Case Reports in Surgery
Volume 2015, Article ID 547287, 4 pages
http://dx.doi.org/10.1155/2015/547287
Case Report

Adrenal Schwannomas: Rare Tumor of the Retroperitoneum

Department of General Surgery, Santa Maria Clinic, Via De Ferrariis 22, 70124 Bari, Italy

Received 13 March 2015; Accepted 12 May 2015

Academic Editor: Christophoros Foroulis

Copyright © 2015 Emanuele Grasso and Michele Simone. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Schwannoma is a benign neurogenic tumor originating from Schwann cells. These produce the myelin sheath that covers peripheral nerves that are often affected. This latter localization is extremely rare, and only a few case reports can be found in the medical literature. Studies have shown that approximately 0.5% to 5% of schwannomas are retroperitoneal, constituting 0.2% of adrenal incidental tumors. These usually present as incidental findings, nonsecreting adrenal masses in asymptomatic patients. Diagnosis of a schwannoma is based on detection of spindle cells with Antoni A and Antoni B regions in histological sections and positive staining for S-100 protein by immunohistochemical analysis. We report a case of an incidentally identified during an abdominal ultrasound examination with schwannoma localized in the left adrenal gland.