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"Functional trapezius muscle reconstruction after resection of a desmoid tumor using an innervated gracilis free flap".

ABSTRACT: Desmoid tumors are characterized by indolent growth, progressive invasion of surrounding tissues and a high rate of relapse. We present the case of a desmoid tumor rising from the trapezius of a young woman. Following resection, we performed a functional reconstruction using an innervated gracilis free flap.

SUBMITTER: De Michele F

PROVIDER: S-EPMC9389924 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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"Functional trapezius muscle reconstruction after resection of a desmoid tumor using an innervated gracilis free flap".

De Michele Federico F Massarelli Olindo O Franza Mara M Gebbia Vittorio V D'Arpa Salvatore S

Case reports in plastic surgery & hand surgery 20220815 1

Desmoid tumors are characterized by indolent growth, progressive invasion of surrounding tissues and a high rate of relapse. We present the case of a desmoid tumor rising from the trapezius of a young woman. Following resection, we performed a functional reconstruction using an innervated gracilis free flap. ...[more]

PMID: 35993090

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Project description:INTRODUCTION:Prosthesis-assisted penile reconstruction has been performed extensively to restore a cosmetically acceptable phallus. However, a large number of patients will undergo revision surgery for various prosthesis-related complications. AIM:To develop a 1-stage prosthesis-free dynamic cavernosa reconstruction method using bilateral innervated gracilis muscles and to investigate the feasibility and reliability of the surgical design. METHODS:10 fresh cadavers were dissected to assess the availability of bilateral gracilis muscles for functional cavernosa rebuilding. 11 mongrel female dogs were involved in the penile reconstruction surgery. The neophallus consisted of bilateral gracilis muscles as the neo-cavernosa, a right gracilis skin flap as the neourethra, and a lower abdominal flap with an anterior rectus sheath as the skin envelope and neo-tunica albuginea. The function and structure of the neo-phalli were assessed 7 months postoperatively. MAIN OUTCOME MEASURES:The neurovascular pedicle length of the gracilis muscles and the volume of the gracilis venter musculi were measured in the cadaveric investigation. The average dimensions of the canine neo-phalli at rest and during electrostimulated erection were obtained and the muscular fatigue-resistant curve was drawn. Histologic evaluations also were performed. RESULTS:The neurovascular pedicle length and volume of the gracilis muscles were sufficient to yield a nearly normal appearance of the neo-cavernosa in the cadaveric and animal studies. The muscular fatigue-resistant curve demonstrated adequate length, stiffness, and duration of erection of the neo-phalli to accomplish normal coitus. Histologic evaluations showed an intact neourethra and nearly normal muscle structure in the inner layer of the canine neo-cavernosa, except for significantly increased amount of collagen fibers and type I/III collagen ratio in the outer layer of the neo-cavernosa. The percentage of type II (fatigue-prone) muscle fibers did not change significantly. CONCLUSION:Our preclinical investigation proves that corpora cavernosa reconstruction using bilateral innervated gracilis muscles is technically feasible and functionally efficacious. Yin Z, Liu L, Xue B, et al. Dynamic Penile Corpora Cavernosa Reconstruction Using Bilateral Innervated Gracilis Muscles: A Preclinical Investigation. Sex Med 2018;6:162-170.

Dataset Information

"Functional trapezius muscle reconstruction after resection of a desmoid tumor using an innervated gracilis free flap".

Publications

"Functional trapezius muscle reconstruction after resection of a desmoid tumor using an innervated gracilis free flap".

Similar Datasets

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