Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle

Pigmented villonodular synovitis is a rare, benign, but potentially locally aggressive disease that should be considered in younger patients who present with monoarticular joint symptoms and pathology. We present the case of a 33-year-old woman with a mass arising from her right hip joint that was e...

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Main Authors: Kiyokazu Fukui, Ayumi Kaneuji, Eriko Kinoshita, Yuhei Numata, Takayuki Nojima, Tadami Matsumoto
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Case Reports in Orthopedics
Online Access:http://dx.doi.org/10.1155/2013/862935
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author Kiyokazu Fukui
Ayumi Kaneuji
Eriko Kinoshita
Yuhei Numata
Takayuki Nojima
Tadami Matsumoto
author_facet Kiyokazu Fukui
Ayumi Kaneuji
Eriko Kinoshita
Yuhei Numata
Takayuki Nojima
Tadami Matsumoto
author_sort Kiyokazu Fukui
collection DOAJ
description Pigmented villonodular synovitis is a rare, benign, but potentially locally aggressive disease that should be considered in younger patients who present with monoarticular joint symptoms and pathology. We present the case of a 33-year-old woman with a mass arising from her right hip joint that was examined using a multimodal radiological approach. Because her clinical presentation mimicked that of synovial osteochondromatosis of the hip, surgical dislocation was performed. Histopathological examination of the resected specimen confirmed the diagnosis of localized pigmented villonodular synovitis, with the mass consisting of proliferation of fibrohistiocytic cells, abundant hemosiderin, foamy histiocytes, and occasional giant cells. Because of the presence of tumor necrosis, we hypothesize that torsion of the tumor pedicle was the cause of acute presentation.
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institution Kabale University
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publishDate 2013-01-01
publisher Wiley
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series Case Reports in Orthopedics
spelling doaj-art-11bd5d763df5437e9c2163e6d02ab9172025-02-03T01:09:10ZengWileyCase Reports in Orthopedics2090-67492090-67572013-01-01201310.1155/2013/862935862935Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor PedicleKiyokazu Fukui0Ayumi Kaneuji1Eriko Kinoshita2Yuhei Numata3Takayuki Nojima4Tadami Matsumoto5Department of Orthopaedic Surgery, Kanazawa Medical University, 1-1 Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanDepartment of Orthopaedic Surgery, Kanazawa Medical University, 1-1 Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanDepartment of Pathology and Medical Laboratory, Kanazawa Medical University, Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanDepartment of Orthopaedic Surgery, Kanazawa Medical University, 1-1 Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanDepartment of Pathology and Medical Laboratory, Kanazawa Medical University, Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanDepartment of Orthopaedic Surgery, Kanazawa Medical University, 1-1 Daigaku, Uchinada-machi, Kahokugun, Ishikawa 920-0293, JapanPigmented villonodular synovitis is a rare, benign, but potentially locally aggressive disease that should be considered in younger patients who present with monoarticular joint symptoms and pathology. We present the case of a 33-year-old woman with a mass arising from her right hip joint that was examined using a multimodal radiological approach. Because her clinical presentation mimicked that of synovial osteochondromatosis of the hip, surgical dislocation was performed. Histopathological examination of the resected specimen confirmed the diagnosis of localized pigmented villonodular synovitis, with the mass consisting of proliferation of fibrohistiocytic cells, abundant hemosiderin, foamy histiocytes, and occasional giant cells. Because of the presence of tumor necrosis, we hypothesize that torsion of the tumor pedicle was the cause of acute presentation.http://dx.doi.org/10.1155/2013/862935
spellingShingle Kiyokazu Fukui
Ayumi Kaneuji
Eriko Kinoshita
Yuhei Numata
Takayuki Nojima
Tadami Matsumoto
Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
Case Reports in Orthopedics
title Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
title_full Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
title_fullStr Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
title_full_unstemmed Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
title_short Localized Pigmented Villonodular Synovitis of the Hip: Sudden-Onset Pain Caused by Torsion of the Tumor Pedicle
title_sort localized pigmented villonodular synovitis of the hip sudden onset pain caused by torsion of the tumor pedicle
url http://dx.doi.org/10.1155/2013/862935
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