case_images: PMC9957560_01
case_images: Clinical image of a giant epidermal cyst over the left gluteal region.
case_images: cureus-0015-00000034266-i01.jpg
case_images: PMC9957560_01_cureus-0015-00000034266-i01.jpg
case_images: FIG1
case_images: Clinical examination revealed a huge, soft-to-firm, regularly circumscribed mass over the left gluteal region (Figure 1), and the overlying skin looked glossy and discolored with no visible punctum on it.
case_images: Specimen of the giant epidermal cyst excised in toto.
case_images: cureus-0015-00000034266-i02.jpg
case_images: PMC9957560_01_cureus-0015-00000034266-i02.jpg
case_images: FIG2
case_images: As the definitive management, surgery proceeded with the excision of the swelling, which was extracted into toto and was identified as a cyst (Figure 2).
case_images: Histopathology slide showing the cyst wall lined by stratified squamous epithelium and filled with keratinaceous debris.
case_images: cureus-0015-00000034266-i03.jpg
case_images: PMC9957560_01_cureus-0015-00000034266-i03.jpg
case_images: FIG3
case_images: Postoperatively, the cyst was opened, which contained an odorless, purulent, whitish-creamy material, and the cyst wall was lined by stratified squamous epithelium, which was evidently visible on histopathology (Figure 3).