![My dog has a white bump on the top of his penis. (It looks like a very large human pimple). I do not know if it is hard/bony or soft.... | PetCoach My dog has a white bump on the top of his penis. (It looks like a very large human pimple). I do not know if it is hard/bony or soft.... | PetCoach](https://cf-s3.petcoach.co/question_photo_normal_thumb/uploads/questions/823993/images/8e1debc1f603c876514e23401e712bd9e30d3db1.jpeg)
My dog has a white bump on the top of his penis. (It looks like a very large human pimple). I do not know if it is hard/bony or soft.... | PetCoach
![Two illustrations of the penis: top showing the arteries and bottom showing the veins | Media Asset | NIDDK Two illustrations of the penis: top showing the arteries and bottom showing the veins | Media Asset | NIDDK](https://www.niddk.nih.gov/media-assets/7566/N00119_H_thumbnail.jpg)
Two illustrations of the penis: top showing the arteries and bottom showing the veins | Media Asset | NIDDK
![File:A diseased penis and top of the thigh with a patch of skin d Wellcome V0010267.jpg - Wikimedia Commons File:A diseased penis and top of the thigh with a patch of skin d Wellcome V0010267.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/A_diseased_penis_and_top_of_the_thigh_with_a_patch_of_skin_d_Wellcome_V0010267.jpg/1200px-A_diseased_penis_and_top_of_the_thigh_with_a_patch_of_skin_d_Wellcome_V0010267.jpg)
File:A diseased penis and top of the thigh with a patch of skin d Wellcome V0010267.jpg - Wikimedia Commons
![Two illustrations of the penis: the top one showing the arteries of the penis and the bottom one showing the veins of the penis | Media Asset | NIDDK Two illustrations of the penis: the top one showing the arteries of the penis and the bottom one showing the veins of the penis | Media Asset | NIDDK](https://www.niddk.nih.gov/media-assets/7567/N00120_H_thumbnail.jpg)