Explanation: It is scientifically called preauricular sinus, also known as atrial septal defect, is a very small hole in front of the ear, usually located at the junction between our ear and face.
Having an atrial septal defect is not a problem. However, many doctors believe that it should not be ignored, especially in newborns.
The reason is that inside the hole are hair follicles, sweat glands and sebum glands. Normally, it is fine, but there are cases of inflammation, blockage of the tube, causing swelling and pain. In that case, we only have to perform surgery to open the hole, along with a filling procedure to permanently remove this hole.