Publication Cover
Baylor University Medical Center Proceedings
The peer-reviewed journal of Baylor Scott & White Health
Volume 35, 2022 - Issue 5
49
Views
1
CrossRef citations to date
0
Altmetric
Case Studies

Squamous cell carcinoma arising in an epidermal inclusion cyst

, MDORCID Icon, , MD, , MD, , BSORCID Icon, , MD, , MD & , MD show all
Pages 688-690 | Received 20 Apr 2022, Accepted 09 May 2022, Published online: 23 May 2022
 

Abstract

Squamous cell carcinoma (SCC) arising from an epidermal inclusion cyst (EIC) is uncommon. We present a case of a 70-year-old man with a scalp nodule with persistent discharge that was resected based on the clinical impression of an EIC. Histopathologic exam showed an infundibular EIC with an epidermal type of squamous epithelium; however, some of the cyst lining and lumen was replaced by squamous proliferation with malignant features. There are 56 cases of SCC arising in EICs reported in the English literature. Though suspected EICs are commonly benign, a thorough pathologic evaluation is required to rule out malignancy.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.