<Li> Hydrocele of an hernial sac </Li> <P> In infants and children, a hydrocoele is usually an expression of a patent processus vaginalis (PPV). The tunica and the processus vaginalis are distended to the inguinal ring but there is no connection with the peritoneal cavity. Getting above swelling is not possible . </P> <P> The processus vaginalis is patent and connects with the general peritoneal cavity . The communication is usually too small to allow herniation of intra-abdominal contents . Digital pressure on the hydrocele does not usually empty it, but the hydrocele fluid may drain into the peritoneal cavity when the child is lying down . Ascites or even ascitic tuberculous peritonitis should be considered if the swellings are bilateral. Getting above swelling not possible (hernia alike). </P> <P> There is a smooth oval swelling near the spermatic cord which is liable to be mistaken for an inguinal hernia . The swelling moves downwards and becomes less mobile if the testis is pulled gently downwards . Rarely, a hydrocoele develops in a remnant of the processus vaginalis somewhere along the course of the spermatic cord . This hydrocoele also transilluminates, and is known as an encysted hydrocoele of the cord . In females, a related region in females, a multicystic hydrocoele of the canal of Nuck sometimes presents as a swelling in the groin . It probably results from cystic degeneration of the round ligament . Unlike a hydrocele of the cord, a hydrocele of the canal of Nuck is always at least partially within the inguinal canal . </P>

Which of the following medical conditions is defined as the accumulation of fluid in the scrotum