这是什么？

An inguinal hernia is a lump that occurs in the groin. Lumps in the groin area in children have many causes.

The most common is an inguinal hernia which tend to affect boys more often than girls. Other causes in both boys and girls include enlarged lymph nodes, other types of hernias, fluid (hydroceles) or tumours which is rare.

In boys, testes that have not descended can also sit in the groin region and cause a lump.

All lumps in the groin should be reviewed promptly by your GP. especially if they are tender.