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Unusual presentation of more common disease/injury
CASE REPORT
Giant epidermal cyst of the arm: a rare presentation
  1. Shaan Patel1,
  2. Key Yan Tsoi1 and
  3. George Joseph2
  1. 1 Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, USA
  2. 2 Department of Hand Surgery, James A Haley Veterans Hospital, Tampa, Florida, USA
  1. Correspondence to Dr Shaan Patel, shaanpatel{at}health.usf.edu

Abstract

A giant epidermal cyst is a benign soft tissue mass commonly involving the trunk, hand and face. The authors report a rare presentation of a 69-year-old man who presented with a painful, slow-growing left arm mass for 30 years duration. Examination revealed a large, mobile, soft tissue mass of the lateral aspect of the left arm. MRI showed a large, cystic left arm soft tissue mass. The mass was excised and the diagnosis of a giant epidermal cyst was made based on imaging and histopathology after surgical resection. The mass measured 9.5 cm x 8 cm x 4 cm, which is the largest reported giant epidermal cyst of the upper extremity.

  • orthopaedics

https://doi.org/10.1136/bcr-2018-227615

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    Footnotes

    • Contributors SP, KYT and GJ: have made substantial contributions to the conception or design of the work, or the acquisition, analysis or interpretation of data. They took part in drafting the work or revising it critically for important intellectual content. They made final approval of the version published. They agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient consent Obtained.

    • Provenance and peer review Not commissioned; externally peer reviewed.