1. Halat S, Eble JN, Grignon DJ, Lacy S, Montironi R, MacLennan GT, et al. Ectopic prostatic tissue: histogenesis and histopathological characteristics. Histopathology. 2011; 58:750–758.
2. Fulton RS, Rouse RV, Ranheim EA. Ectopic prostate: case report of a presacral mass presenting with obstructive symptoms. Arch Pathol Lab Med. 2001; 125:286–288.
3. Dai S, Huang X, Mao W. A novel submucosa nodule of the rectum: a case of the ectopic prostatic tissue outside the urinary tract. Pak J Med Sci. 2013; 29:1453–1455.
4. Gardner JM, Khurana H, Leach FS, Ayala AG, Zhai J, Ro JY. Adenocarcinoma in ectopic prostatic tissue at dome of bladder: a case report of a patient with urothelial carcinoma of the bladder and adenocarcinoma of the prostate. Arch Pathol Lab Med. 2010; 134:1271–1275.
5. VanBeek CA, Peters CA, Vargas SO. Ectopic prostate tissue within the processus vaginalis: insights into prostate embryogenesis. Pediatr Dev Pathol. 2005; 8:379–385.
6. Kim H, Kim JH, Lim JS, Choi JY, Chung YE, Park MS, et al. MRI findings of rectal submucosal tumors. Korean J Radiol. 2011; 12:487–498.
7. Purysko AS, Coppa CP, Kalady MF, Pai RK, Leão Filho HM, Thupili CR, et al. Benign and malignant tumors of the rectum and perirectal region. Abdom Imaging. 2014; 39:824–852.
8. Adams JR Jr. Adenocarcinoma in ectopic prostatic tissue. J Urol. 1993; 150:1253–1254.
9. Somwaru AS, Alex D, Zaheer AK. Prostate cancer arising in ectopic prostatic tissue within the left seminal vesicle: a rare case diagnosed with multi-parametric magnetic resonance imaging and magnetic resonance imaging-transrectal ultrasound fusion biopsy. BMC Med Imaging. 2016; 16:16.
10. Tan FQ, Xu X, Shen BH, Qin J, Sun K, You Q, et al. An unusual case of retrovesical ectopic prostate tissue accompanied by primary prostate cancer. World J Surg Oncol. 2012; 10:186.