The position of testis can be determined by ultrasonography. Most of the time, infants have retractile testis, as in this case due to strong pull of muscles and does not pose any problem. If truly, undescended it requires action. A patient can be watched ordinarily for two years, during which time it may descend down to the scrotum without any intervention, and is without any consequence. If it does not, has to be brought out by surgery. An undescended testis does not develop fully in an environment of raised temperature inside the abdomen, and may become incapable of producing sperm leading to infertility. Sometimes, it may undergo malignant transformation. An undescended testis after age of 14 years has to be removed and examined by pathologist. Before this age, it may be brought out and kept.
Seminoma, a type of cancer of testis is common in undescended and intra-abdominal testis.
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