Giant Intramuscular Lipoma in the Back after a Blunt Trauma

Hak-Jin Min; Jae-Seong Seo; Seong Kee Shin; Sung Han Jun; Byung Ho Lim

doi:10.4184/jkss.2013.20.4.201

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Min, Seo, Shin, Jun, and Lim: Giant Intramuscular Lipoma in the Back after a Blunt Trauma

A Case Report

Journal of Korean Spine Surg 2013;20(4):201-203.

Published online: 21 December 2013

DOI: https://doi.org/10.4184/jkss.2013.20.4.201

Giant Intramuscular Lipoma in the Back after a Blunt Trauma

Hak-Jin Min, M.D., Jae-Seong Seo, M.D., Seong Kee Shin, M.D., Sung Han Jun, M.D., Byung Ho Lim, M.D.

Department of Orthopedic Surgery, Seoul Medical Center, Seoul, Korea

Corresponding author: Byung Ho Lim, M.D. Department of Orthopaedic Surgery, Seoul Medical Center 316, Sinnae-dong, Jungnang-gu, Seoul 131-865, Korea TEL: 82-2-2276-8605, FAX: 82-2-539-1262 E-mail: bh.lim1359@gmail.com

Received 9 September 2013 Revised 24 October 2013 Accepted 12 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

Study Design

Case report.

Objectives

To report a case of a giant intramuscular lipoma after a blunt trauma.

Summary of Literature Review

Lipomas are the most frequent benign tumor of the mesenchymal tissue. Although the etiopathogenesis is not complete understood yet, it is known that lipoma develope with a 1% rate after traumas in the related localizations. Traumata induce hematoma and initiates inflammatory reactions in fatty tissue and can trigger the development of lipoma.

Materials and Methods

2 years after a blunt trauma a 56years male patient developed a back mass. A massive lipoma was confirmed clinical and radiological.

Results

A total excision was performed and the result was histopathologic confirmed.

Conclusions

Patients who develop hematoma after a trauma need a close lipoma progress observation which decrease the invasive treatment of post-trauma hematoma.

Keywords: Giant lipoma, Post-traumatic, Pseudolipoma, Soft tissue tumor

REFERENCES

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Fig. 1.

Magnetic resonance imaging showing the giant intramuscular lipoma in the back. (A) T1-weighted axial image (B) T2-weighted axial image (C) Enhance axial image

Fig. 2.

Post-traumatic giant lipoma of the back muscle. (A) Giant lipoma is shown (B) Microscopic presentation of the tumor well-demarcated lesion with fibrous capsule (HE staining ×40)

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