Primary Mature Cystic Teratoma Compressing the Prostate in a 28-Year-Old Male: A Case Report and Literature Review

Figure 3

(a) & (b) Cystic cavity lined by orthokeratinized stratified squamous epithelium, with straight epithelial-connective tissue interface. Copious fibrillary keratin fills the cyst. (a) The base of a hair follicle is identified. (b) A sebaceous gland with adjacent arrector pili muscle fiber. (c) High power view of arrector pili muscle fiber. (d) A hair shaft found in the cystic wall. (e) Inflammatory reaction to keratin with multinucleated giant cells and foamy macrophages is seen. Absence of cartilage and bone in all figures.

(a)

(b)

(c)

(d)

(e)