PMID: 9179702Mar 1, 1997Paper

"Collision phenomenon" of prostate and bladder cancers in lymph node metastases

International Journal of Urology : Official Journal of the Japanese Urological Association
K GohjiA Fujii

Abstract

We report here the case of a 78-year-old man who, 15 months after orchiectomy for palliation of prostate adenocarcinoma, was diagnosed as having squamous cell carcinoma of the urinary bladder. The bladder cancer was treated surgically, including dissection of pelvic lymph nodes. Some of these nodes were observed at surgery to be swollen, and were found on pathologic examination to exhibit the collision phenomenon: the mixing and mingling of cancer cells representing 2 distinct topographic origins. This case suggests that the possibility of collision phenomenon should be considered whenever any metastasis (but especially one in the lymph nodes) is found in a patient diagnosed with 2 different types of cancer. Moreover, it reminds us that diagnosis of one type of cancer does not rule out the possibility of another.

References

Aug 1, 1984·Nihon Hinyōkika Gakkai zasshi. The japanese journal of urology·M MatsushimaK Ando
Apr 1, 1961·The Journal of Pathology and Bacteriology·O G DODGE

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Citations

Jan 23, 2014·Pathology, Research and Practice·Waseem AnaniAnil V Parwani
Oct 4, 2008·International Seminars in Surgical Oncology : ISSO·Khalid A El-GendyJeremy I Livingstone
Dec 5, 2018·International Journal of Surgical Pathology·Francesca SanguedolceLuigi Cormio
Feb 28, 2004·Archives of Pathology & Laboratory Medicine·Zane K WadeWilliam C Allsbrook
Jul 28, 2001·Archives of Pathology & Laboratory Medicine·S SahooP P Rosen
Sep 26, 2001·Archives of Pathology & Laboratory Medicine·K Overstreet, P Haghighi

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