A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle

A low-grade fibromyxoid sarcoma (LGFMS) is a rare tumor, with a benign histologic appearance but malignant behavior. This report describes a 74-year-old man with an internal abdominal oblique muscle mass. The tumor appeared as a well-defined ovoid mass on computed tomography, with mild uptake on flu...

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Autores principales: Hashimoto, Masakazu, Koide, Kei, Arita, Michinori, Kawaguchi, Koji, Mikuriya, Yoshihiro, Iwata, Jun, Iwamoto, Toshiyuki
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4877473/
https://www.ncbi.nlm.nih.gov/pubmed/27247823
http://dx.doi.org/10.1155/2016/8524030
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author Hashimoto, Masakazu
Koide, Kei
Arita, Michinori
Kawaguchi, Koji
Mikuriya, Yoshihiro
Iwata, Jun
Iwamoto, Toshiyuki
author_facet Hashimoto, Masakazu
Koide, Kei
Arita, Michinori
Kawaguchi, Koji
Mikuriya, Yoshihiro
Iwata, Jun
Iwamoto, Toshiyuki
author_sort Hashimoto, Masakazu
collection PubMed
description A low-grade fibromyxoid sarcoma (LGFMS) is a rare tumor, with a benign histologic appearance but malignant behavior. This report describes a 74-year-old man with an internal abdominal oblique muscle mass. The tumor appeared as a well-defined ovoid mass on computed tomography, with mild uptake on fluorine-18-fluorodeoxyglucose positron-emission tomography images. Radical resection with wide safe margins was performed. Histologically, the tumor was composed of spindle-shaped cells in a whorled growth pattern, with alternating fibrous and myxoid stroma. MUC4 expression, a highly sensitive and specific immunohistochemical marker for LGFMS, was detected. Therefore, we diagnosed the tumor as LGFMS. At the 3-month follow-up, there was no sign of recurrence or metastasis. We report the first case of LGFMS arising from the internal abdominal oblique muscle.
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spelling pubmed-48774732016-05-31 A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle Hashimoto, Masakazu Koide, Kei Arita, Michinori Kawaguchi, Koji Mikuriya, Yoshihiro Iwata, Jun Iwamoto, Toshiyuki Case Rep Surg Case Report A low-grade fibromyxoid sarcoma (LGFMS) is a rare tumor, with a benign histologic appearance but malignant behavior. This report describes a 74-year-old man with an internal abdominal oblique muscle mass. The tumor appeared as a well-defined ovoid mass on computed tomography, with mild uptake on fluorine-18-fluorodeoxyglucose positron-emission tomography images. Radical resection with wide safe margins was performed. Histologically, the tumor was composed of spindle-shaped cells in a whorled growth pattern, with alternating fibrous and myxoid stroma. MUC4 expression, a highly sensitive and specific immunohistochemical marker for LGFMS, was detected. Therefore, we diagnosed the tumor as LGFMS. At the 3-month follow-up, there was no sign of recurrence or metastasis. We report the first case of LGFMS arising from the internal abdominal oblique muscle. Hindawi Publishing Corporation 2016 2016-05-10 /pmc/articles/PMC4877473/ /pubmed/27247823 http://dx.doi.org/10.1155/2016/8524030 Text en Copyright © 2016 Masakazu Hashimoto et al. https://creativecommons.org/licenses/by/4.0/ 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.
spellingShingle Case Report
Hashimoto, Masakazu
Koide, Kei
Arita, Michinori
Kawaguchi, Koji
Mikuriya, Yoshihiro
Iwata, Jun
Iwamoto, Toshiyuki
A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title_full A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title_fullStr A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title_full_unstemmed A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title_short A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle
title_sort low-grade fibromyxoid sarcoma of the internal abdominal oblique muscle
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4877473/
https://www.ncbi.nlm.nih.gov/pubmed/27247823
http://dx.doi.org/10.1155/2016/8524030
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