Dermatology Questions? Ask an Online Dermatologist.
It could be penile psoriasis although it doesn't have scales. But another possibility is penile intraepithelial neoplasia (PIN). You should see a dermatologist to have a biopsy.
If it has scales, it could be psoriasis. However, PIN due to HPV infection can't be denied without a biopsy.
No. it can't.