![My dog has brown bumps on his belly and the tip of his penis is turning black. He bites his penis but has no problem urinating. He had... | PetCoach My dog has brown bumps on his belly and the tip of his penis is turning black. He bites his penis but has no problem urinating. He had... | PetCoach](https://cf-s3.petcoach.co/question_photo_normal_thumb/uploads/questions/359828/images/d8c0d35789bb0be6dee3d2b645bdc156825778f0.jpeg)
My dog has brown bumps on his belly and the tip of his penis is turning black. He bites his penis but has no problem urinating. He had... | PetCoach
![Kissing nevi of the penis. Black colored patches on the glans and the... | Download Scientific Diagram Kissing nevi of the penis. Black colored patches on the glans and the... | Download Scientific Diagram](https://www.researchgate.net/publication/51858719/figure/fig1/AS:216466617049107@1428621072460/Kissing-nevi-of-the-penis-Black-colored-patches-on-the-glans-and-the-prepuce-laterally.png)
Kissing nevi of the penis. Black colored patches on the glans and the... | Download Scientific Diagram
![Case 1: Sharply marginated pigmented patches on the glans penis and on... | Download Scientific Diagram Case 1: Sharply marginated pigmented patches on the glans penis and on... | Download Scientific Diagram](https://www.researchgate.net/publication/261921721/figure/fig1/AS:601685189742612@1520464336345/Case-1-Sharply-marginated-pigmented-patches-on-the-glans-penis-and-on-the-inner-surface.png)