Zhangjun Cao, Youlu Lu, Liangkuan Bi#, Dexin Yu, Ke He, Qi Wang, Longfei Peng


Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230032, China


The accessory spleen refers to one or more organs which is besides the normal spleen and have the same structure and function as the spleen. The accessory spleen is most often located in the splenic hilum or adjacent to the tail of the pancreas, but it can also be located in the perisplenic vessels, spleen-stomach ligaments and spleen-kidney ligaments, rarely in the pancreatic tissue. Accessory spleen from the vesical rectal fossa has not been reported yet.The patient was admitted to our hospital because of frequent urination, urgency, weakness of urine and perineal pain. After admission, a 4.2*2.1*3.2 mass was found in the vesico rectal fossa. Posterior transrectal ultrasound biops, the pathological examination results showed large amount of lymphocytes, mononuclear cells, interstitial hyperemia, hemorrhage Current evidence for cancer diagnosis is inadequate, consider the accessory spleen. Posterior the patient has been underwent the “Lap-pelvic tumor resection”. Postoperative pathological diagnosis: accessory spleen. The patient recovered well after surgery and was cured and discharged.


Accessory spleen, vesical rectal fossa, tumor, misdiagnosis.