Cardiovascular (I00-I99).
- Hemorrhoids (esp. with inflammatory change).
- Marisques – folds of skin on the anus, which usually remain after perianal thrombosis.
Skin and subcutaneous (L00-L99).
- Ectopic sebaceous glands
- Fibromas
- Papillomatous pigmented nevus cell nevi
- Lichen ruber planus (nodular lichen)
- Nevi (pigment mark, often called “mole” or “birthmark” in common parlance).
- Seborrheic warts
Infectious and parasitic diseases (A00-B99).
- Condylomata lata in syphilis (sexually transmitted disease) stage II.
- Genital herpes
- Lues primary effects (DD anal carcinoma).
- Mollusca contagiosa (Dell warts) – occur in adults mostly in the genital area and are considered sexually transmitted diseases (STD) or sexually transmitted infections (STI).
Neoplasms – tumor diseases (C00-D48).
- Bowenoid papulosis (Condylomata plana) – skin infection with human papillomavirus (HPV) types 16 and 18 in the genital area, resulting in characteristic papular (cotyledonous) skin lesions; histologically (by fine tissue) indistinguishable from grade III intraepithelial neoplasia; usually spontaneous regression.
- Erythroplasia Queyrat – shiny or erosive skin changes, mainly occurring on the genitals, which is considered precancerous (precancerous).
- Fibromas – benign skin tumors
- Malignant (malignant) tumors, unspecified.
- Melanoma – black skin cancer
- Bowen’s disease – precancerous (precancerous) squamous cell carcinoma of the skin; clinical picture: single sharply demarcated but irregularly shaped, broad red-scaly skin lesions erythrosquamous or psoriasiform plaques (size varies from millimeters to decimeters); skin lesions are similar to psoriasis, but usually occurs only a single focus.
- Penile intraepithelial neoplasms (VIN, PIN).
- Verrucous carcinoma – wart-like malignant tumor.
- Vulvar intraepithelial neoplasia (VIN, PIN).
Further
- Heterotopic sebaceous glands – sebaceous glands located in unusual places.
- Papillae coronae glandis (anomaly with papillae occurring on the penis); equivalent in the female genital area as papillomatosis labialis vulvae.