I think the reason why you see it more when it's in the rectum is because it is either streaking the bowel movement or dripping. When your colon bleeds it gets mixed in with the fecal matter and isn't as readily apparent to the eye as it becomes a part of the formed movement.
dx proctitis in 1987
dx UC in 1991, was stable until 1998
1998 started prednisone, asacol, pentasa, nortriptylene, ativan, 6MP, rowasa enemas and suppositories, hydrocortisone enemas, tried the SCD diet, being a vegetarian, omega 3s, flax, pranic healing, yoga, acupuncture, probiotics
2000 lost all my B-12 stores and became anemic
2001 opted for j-pouch surgery- now living life med-free