Why is it that one side of a child's testicle is larger than the other?

Testicles are also part of the reproductive organs. Clinically, some children have one large testicle and one small testicle since childhood. This problem should be taken seriously. It is possible that it is caused by some congenital diseases. People generally call the one-side large testicle of children a symptom of abnormal development, and the specific causes are also complicated. So why do children have one large testicle and one small testicle?

1. Genetic factors:

Congenital testicular dysplasia is mostly caused by genetic factors - chromosomal abnormalities. A common chromosomal abnormality is called Klinefelter's syndrome, which has a higher incidence. There is also Kallmann syndrome, which is caused by abnormal low gonadotropin, resulting in abnormal testicular development.

2. Disease factors:

Acquired testicular dysplasia means that the patient's chromosomes are normal, but due to the influence of various pathogenic factors during the fetal period, childhood or early childhood, the testicles develop abnormally. For example, if some children get mumps, this mumps affects the testicles and may cause viral orchitis, which causes abnormal testicular development.

3. Incomplete testicular descent:

Under normal circumstances, the testicles develop in the fetal abdominal cavity and gradually descend into the scrotum in the last three months. When the testicles cannot move into the scrotum normally, it is called incomplete testicular descent, also known as cryptorchidism. It is a common pediatric surgical disease. About 30% of premature babies will have incomplete testicular descent, and 3% of full-term babies will have this phenomenon. It is more common on one side, more on the right side than on the left. Some testicles that are not descended at birth can descend to the scrotum by themselves within a few months, and about 1/150 babies' testicles will never descend to the scrotum.

4. Others

Some male babies have one testicle that is larger than the other, or both testicles are larger than normal male babies. They feel harder to the touch and are translucent when illuminated by a flashlight. This is commonly known as water eggs, which is medically called hydrocele. If the fluid is around the testicle and does not communicate with the abdominal cavity, it is non-communicating hydrocele. If the fluid is connected to the abdominal cavity, that is, it increases when the baby is held upright and decreases when lying flat, it is communicating hydrocele. If there is a separate cyst above the testicle, it is hydrocele.