Sarcoma growing at the opening of the vulva may be benign tumors such as vulvar papilloma and fibroma, or malignant tumors such as vulvar melanoma, basal cell carcinoma and verrucous carcinoma.
1. Vulvar papilloma: it is a tumor of epithelial origin, related to viral infection and inflammation stimulation. The common lesion sites are labia majora, pubic mound, clitoris, perianal area, etc. It is usually papillary sarcoma, and the main treatment is surgical excision.
2. Vulvar fibroma: mostly solitary, often appearing in labia majora, early can be manifested as subcutaneous hard nodules, with the progress of the disease gradually increased, smooth and hard to touch.
3. Vulvar melanoma: the lesions are mostly located in labia minora and clitoris, and in the early stage, they are nevus-like nodules with hyperpigmentation, accompanied by ulcers, genital itching and bleeding.
4. Vulvar basal cell carcinoma: the lesions seldom metastasize, commonly located in labia majora, labia minora, clitoris, labia, and the lesions are localized infiltration, and the patients may be asymptomatic or have local itching sensation.
5. Verrucous carcinoma: this sarcoma is hard and has a clear boundary with the surrounding tissues, mostly grayish-white or cauliflower pattern, which can be treated by radical vulvovaginal resection.
To sum up, if there is sarcoma at the vaginal opening, the nature of the tumor should be clarified firstly, and timely treatment should be provided.