alexa The First Case of Benign Solitary Schwannoma Arising in
ISSN: 2161-1076

Surgery: Current Research
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Case Report

The First Case of Benign Solitary Schwannoma Arising in the Rectus Abdominis Muscle

Hiroshi Ito1*, Tsukasa Isago2 and Junji Hishiyama1

1Tokyo Women’s Medical University, Shinjuku-ku, Tokyo, Japan

2Department of Plastic and Reconstructive Surgery, Tokyo Women’s Medical University Medical Center East, Japan

*Corresponding Author:
Hiroshi Ito, MD, PhD
Associate Professor
Tokyo Women’s Medical University Plastic and Reconstructive Surgery 8-1
Kawada-cho, Shinjukuku
Tokyo 162-8666, Japan
Tel: 81-3-3353-8111
E-mail: [email protected]

Received date: August 12, 2015; Accepted date: September 14, 2015; Published date; October 21, 2015

Citation: Ito H, Isago T, Hishiyama J (2015) The First Case of Benign Solitary Schwannoma Arising in the Rectus Abdominis Muscle. Surgery Curr Res 5:248. doi:10.4172/2161-1076.1000248

Copyright: © 2015 Ito H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



We presented a rare case of schwannoma arising from the rectus abdominis muscle in a 26-year-old woman. She had referred to our department with a complaint of painless swelling on the right side of the umbilical region. The mass was about 4 cm in diameter, flat, elastic, and immobile. Ultrasonographic examination revealed a 37×30 mm cystic lesion in the right rectus abdominis muscle and showed a heterogeneous low-echo area within the cyst. Magnetic resonance (MR) imaging examination of the abdomen showed a low-intensity in T1-weighted imaging, and T2-weighted images indicated niveau formation of a high-intensity area and a low-intensity area. With these findings, the patient was scheduled for surgery. Surgical specimen was 3×2.5 cm surface-flat cystic tumor containing bloody fluid, and pathological diagnosis was schwannoma associated with cystic degeneration. This is the first case, to our knowledge, of schwannoma arising in the rectus abdominis muscle.


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