cases, spine Week 100: Case 3 April 26, 2023 pathadmin 1. Presented by Edward McCarthy, M.D. and prepared by Lynette S. Nichols, M.D.A 60 year old man had a 8 month history of constipation and fullness in the rectal area. An MRI showed a 7 cm mass at the tip of the coccyx./images/Lyn's/Mc-7-22-02.3.a.jpg/images/Lyn's/Mc-7-22-02.3.b.jpg/images/Lyn's/Mc-7-22-02.3.c.jpg/images/Lyn's/Mc-7-22-02.3.d.jpg/images/Lyn's/Mc-7-22-02.3.e1.jpgMetastatic carcinomaChondrosarcomaChordoma Loading...