How did a small meatball grow hard on scrotum to return a responsibility

A small hard ball on the scrotum may be sebaceous cyst, lipoma, fibroma, condyloma acuminatum, syphilis, penile cancer and other diseases, may also be other benign or malignant tumors of scrotal skin, or lesions of testis, epididymis and other tissues in the scrotum, requiring timely medical treatment, detailed examination and diagnosis to determine the cause, Sebaceous cyst: This is a common benign tumor of the skin, usually due to obstruction of the sebaceous gland excretory duct, the sebaceous gland cystic epithelium is gradually increased by the contents of the expansion of the formation of retention cysts. It is characterized by round or oval masses, smooth surface, hard texture, no tenderness, can be pushed. 2. Lipoma: This is a benign tumor composed of mature fat cells, can occur in any part of the body fat. Scrotal lipoma is usually a single, soft texture, elastic, no tenderness, can be pushed. 3. Fibroma: This is a benign tumor composed of fibrous connective tissue and can occur in any part of the body. Scrotal fibroma is usually solitary, hard, non-tender, well-defined, and mobile. 4. Condyloma acuminatum: This is a sexually transmitted disease caused by human papilloma virus (HPV) infection, mainly transmitted through sexual contact. Scrotal condyloma acuminatum is usually cauliflower or papillary vegetation, soft texture, easy to bleed, there is a foul odor. 5. Syphilis: This is a sexually transmitted disease caused by Treponema pallidum infection, can be divided into three stages. Stage I syphilis is mainly manifested as hard chancre, that is, painless ulcers in the genital area. Secondary syphilis can cause systemic skin and mucous membrane damage, such as syphilis rash, flat condyloma, etc. Tertiary syphilis can lead to cardiovascular, nervous system and other multi-system damage. 6. Penis cancer: This is a malignant tumor originating from the penis head, coronary groove and foreskin inner plate mucosa. Penile cancer early manifestations of the penis head or foreskin plate papules, warts or ulcers, gradually increased, can form a cauliflower lump, hard, easy to bleed, there is a foul odor. 7. Other: scrotum on a small hard ball, but also may be scrotal skin other benign or malignant tumors, such as epidermoid cysts, melanoma, etc.; Or scrotal testicular, epididymis and other tissue lesions, such as orchitis, epididymitis, testicular tumor, etc. In short, scrotum on a small hard ball, may be a manifestation of a variety of diseases, need to pay attention to. If found in this case, should seek medical attention in time, for detailed examination and diagnosis, to determine the cause, and take appropriate treatment measures. For special groups, such as children, the elderly, immunocompromised persons, etc., scrotum on a small hard ball, but also should seek medical attention, because these groups are more likely to suffer from some serious diseases. In addition, in the visit, should inform the doctor of their sexual life history, past medical history, allergy history and other information, so that doctors for accurate diagnosis and treatment.