case_images: PMC4065440_01
case_images: Clinical image showing swelling in the neck
case_images: JOMFP-18-150b-g001.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g001.jpg
case_images: F1
case_images: The mass was just anterior and deep to the sternocleidomastoid muscle [Figure 1].
case_images: Gross specimen of the excised lesion
case_images: JOMFP-18-150b-g002.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g002.jpg
case_images: F2
case_images: The specimen showed mucoid material within the cystic cavity, the cyst wall was very thick with papillary projections [Figure 2].
case_images: Photomicrograph showing cystic lesion lined by stratified squamous epithelium. (H&E stain, x40)
case_images: JOMFP-18-150b-g003.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g003.jpg
case_images: F3
case_images: The epithelium was stratified squamous epithelium type and was 6-8 cells layered thick [Figure 3].
case_images: Photomicrograph showing cystic cavity lined by thin stratified squamous epithelium with the underlying connective tissue showing abundant lymphoid tissue aggregate (H&E stain, x40)
case_images: JOMFP-18-150b-g004.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g004.jpg
case_images: F4
case_images: Some fibrous connective tissue elements with fibroblasts and blood vessels lined by endothelial cells were evident. [Figures 4-6].
case_images: Photomicrograph showing the germinal center within the lymphoid aggregate (H&E stain, x100)
case_images: JOMFP-18-150b-g005.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g005.jpg
case_images: F5
case_images: Some fibrous connective tissue elements with fibroblasts and blood vessels lined by endothelial cells were evident. [Figures 4-6].
case_images: Photomicrograph showing cystic lumen lined by thin stratified squamous epithelium with flat rete ridges and underlying connective tissue showing abundant lymphoid tissue aggregate (H&E stain, x100).
case_images: JOMFP-18-150b-g006.jpg
case_images: PMC4065440_01_JOMFP-18-150b-g006.jpg
case_images: F6
case_images: Some fibrous connective tissue elements with fibroblasts and blood vessels lined by endothelial cells were evident. [Figures 4-6].