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Table 1 Literature review of all previous cases of solitary prostate cancer metastasis to colon and rectum

From: Prostate cancer solitary metastasis to anal canal: case report and review of literature

Author/Year of publicationa Age Symptoms Gleason score Interval between original PCa diagnosis and rectal presentation Tumour grade/Type PSA staining in colon specimens Treatment
Morita et al. 1991 [6] 61 obstructive defecation n.d 5 months G3 / adenocarcinoma positive AAT/total pelvic exenteration
Vaghefi et al. 2005 [4] 69 no symptoms 3 + 4 = 7 5 years G2 / adenocarcinoma positive RP with pelvic lymphadenectomy/LE
Fujita et al. 2009 [7] 77 abdominal pain n.d same time G3 / adenocarcinoma positive AAT
Venara et al. 2010 [5] 75 abdominal pain 3 + 4 = 7 10 years prostatic carcinosarcoma n.d RP/ AAT and pelvic RT/intermittent hormonal treatment/ AR/radiotherapy
Nwankwo et al. 2013 [8] 69 rectal bleeding, abdominal pain n.d 12 years G3 / adenocarcinoma n.d pelvic RT/bilateral orchiectomy/ AAT/ prostate cryoablation
Liu et al. 2015 [9] 73 altered bowel habits 4 + 5 = 9 1 year G3 / adenocarcinoma positive bilateral orchiectomy/AAT/ neoadjuvant chemoradiotherapy
  1. n.d no data, PSA prostate-specific antigen, RP radical prostatectomy, LE local excision, AR anterior resection, RT radiotherapy, APR abdominoperineal resection, AAT antiandrogen therapy
  2. atwo cases were excluded because of the continuity invasion to colon by PCa