A small ball of flesh growing on the side of the testicle may be a normal epididymal head, or it may be an epididymal cyst or an inflammatory mass of the epididymis.
The epididymal head is the inflated, bluntly rounded portion of the upper end of the epididymis. It covers the back of the upper end of the testicle and is connected to the testicle through the testicular output tubules, where the sperm develops and matures.
Epididymal cysts are mostly located in the head of the epididymis, have a smooth surface, can be moved, have clear boundaries, and are encased with semen inside. They usually have no symptoms, and can be painful in the epididymis when they are relatively large.
After epididymitis can lead to the head of the epididymis appeared inflammation of the mass, hard texture, border is not clear, can have obvious tenderness.
In addition, there are many other diseases that can show similar symptoms, such as scrotal dermoid cysts, testicular tumors, etc. Further consultation in the hospital is needed to clarify the cause.