Fig. 5
Pathological examination of the resected specimen. a Low-power magnification of cystadenoma of the prostate with dense fibromuscular stroma (H&E, original magnification × 20). b Cystic dilated glandular structures surrounded by a fibrous stroma resembling prostatic hyperplasia (H&E, original magnification × 20). c Glands and cysts are lined by cuboidal to low columnar epithelial cells with basally located nuclei (H&E, original magnification × 40). d The epithelium of the cysts stained positively with prostate-specific antigen stain (× 20)