Journal article
Concomitant bilateral elastofibroma in the infrascapular and gluteal regions: a report of a rare case

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Publication Details
Author list: Omran Al Dandan, Ali Hassan, Mona Al Muhaish, Jumanah AlMatrouk, Haidar Almuhanna and Tarek Hegazi
Publisher: BioMed Central
Publication year: 2020
Journal: BMC Musculoskeletal Disorders
Volume number: 21
Issue number: 1
Start page: 1
End page: 4
Number of pages: 4
ISSN: 1471-2474
Web of Science ID: 000512767300004
PubMed ID: 31914985
Scopus ID: 85077687047
eISSN: 1471-2474

Background: Elastofibroma is a benign soft tissue tumor characterized by the presence of elastic fibers in a stroma of collagen and mature adipose tissue. It is reported to have a prevalence of 2.73%, as shown by a study through computed tomography (CT) images. However, multiple elastofibromas are uncommon. 

Case presentation: We report a case of concomitant bilateral elastofibroma in the infrascapular and gluteal regions. A 63-year-old male patient presented with a 6-month history of gradually increasing painless swellings in the upper back. On physical examination, firm, painless bilateral infrascapular masses were identified; these masses were more noticeable on forward arm flexion. Contrast-enhanced computed tomography showed well-defined bilateral infrascapular masses deep to the serratus anterior muscles as well as poorly defined bilateral gluteal masses with attenuation similar to that of the adjacent skeletal muscle. Magnetic resonance imaging revealed heterogenous masses with internal fatty streaks, consistent with elastofibroma. The histopathological diagnosis of elastofibroma was established based on the results of image-guided core-needle biopsy. The patient underwent surgical excision of both infrascapular elastofibromas with no post-operative complications. As the gluteal masses were incidental, surgical management was not warranted. 

Conclusion: The presence of multiple elastofibromas is unusual. This report describes a rare case of multiple elastofibromas and its typical imaging features, and alerts us that elastofibromas are not exclusive to the periscapular region.

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Last updated on 2020-19-04 at 06:54