Diffuse-Type Giant Cell Tumor in Deltoid Muscle

Young Soo Chun; Sang Hoon Lee; Dong Ki Lee; Jung Youn Kim; Jung Suk Kim; Chung Soo Han

doi:10.5292/jkbjts.2013.19.2.87

Journal List > J Korean Bone Joint Tumor Soc > v.19(2) > 1052035

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Chun, Lee, Lee, Kim, Kim, and Han: Diffuse-Type Giant Cell Tumor in Deltoid Muscle

Case Report

J Korean Bone Joint Tumor Soc 2013;19(2):87-91.

Published online: 10 January 2013

DOI: https://doi.org/10.5292/jkbjts.2013.19.2.87

Diffuse-Type Giant Cell Tumor in Deltoid Muscle

Young Soo Chun, Sang Hoon Lee, Dong Ki Lee, Jung Youn Kim, Jung Suk Kim, Chung Soo Han

Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea

Correspondence to: Young Soo Chun Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, 892, Dongnam-ro, Gangdong-gu, Seoul 134-727, Korea TEL: +82-2-440-6155 FAX: +82-2-440-7498 E-mail: mozart13@khu.ac.kr

Received 1 November 2013 Revised 30 November 2013 Accepted 2 December 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Diffuse-type giant cell tumor is relatively rare than localized giant cell tumor. Moreover, diffuse type giant cell tumor is common in intraarticular area, rarely occurs at intramuscular or subcutaneous layer. We experienced 1 case of giant cell tumor within the deltoid muscle. So we report this case with review of the literatures.

Keywords: deltoid, diffuse-type giant cell tumor

References

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Figure 1.

Anteroposterior simple radiograph of the humerus shows about 3.0 cm sized bulging soft tissue lesion at lateral aspect of right upper arm.

Figure 2.

These are the magnetic resonance findings of the mass. (A) Coronal T1WI shows a mass with lobulations in lateral portion of the deltoid muscle. (B) Coronal T2WI shows low to intermediate signal intensity with heterogeneous enhancement. (C) Axial T1 enhanced image shows high signal intensity with heterogeneous enhancement. (D) Axial T2WI shows low to intermediate signal intensity.

Figure 3.

(A) Gross examination reveals an ill-demarcated firm brownish mass. (B) The cut surface is nodular with whitish solid appearance.

Figure 4.

Extraarticular diffuse-type gaint cell tumor infiltrates irregularly into fibroadipose tissue (H&E, ×40).

Figure 5.

Tumors are composed of multi-nucleated giant cells admixed with round cells and collagen (H&E, ×200).

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