A small amount of plasma may be present in the testicular sheath capsule under normal conditions, and when too much fluid collects, accompanied by a sac-like sensation, it is called syringomyelia. Clinically, there are four types of syringomyelia: testicular syringomyelia, spermatic cord syringomyelia, testicular spermatic cord syringomyelia, and traffic syringomyelia. All four types are not recommended for prone position in daily life.
The first three types (testicular syringomyelia, spermatic cord syringomyelia, and testicular spermatic cord syringomyelia) do not communicate with the abdominal cavity, but tend to compress the testicular scrotum in the prone position, which is unfavorable to its blood circulation and may worsen the syringomyelia progressively.
The fourth type (traffic syringomyelia) is connected to the abdominal cavity, and in the prone position, it is easy to aggravate the effusion not only due to the compression of the testicular scrotum, but also due to the increase in abdominal pressure.
For the treatment of neonatal syringomyelia, as it often subsides on its own, surgery may not be urgently needed, but if it still exists after 1 year of age and does not improve, surgery is recommended.