Swelling on the neck area are often harmless and temporarily in course of a flu-like or bacterial inflammation of the upper airways.Neck swellings which persist for months or get enlarged must be examined by a doctor. Besides from palpation, mirror examination of the inner organs and blood tests, the ultra sound examination of the soft tissue has been generally accepted as a convenient and relaiblle examination without any use of x-rays. If required an ultrasound controlled tissue sample can be taken as well.