If it hangs out for a long time, the increased amount of bacteria can cause a sinus infection.” This means that caring for your sinuses is not solely a comfort measure, but a preventative one if you ...

The cyst forms in the remnants of the urachus, a structure normally present in a fetus that usually closes up before birth. The closure doesn't occur in some infants, causing a urachal cyst or sinus ...

A vesicovaginal fistula is an irregular opening between your bladder and vagina. This causes urine to leak out of your vagina. Usually, urine should only exit your body through your urethra (tube at ...

Many of these should be removed to prevent infection. The most common congenital head and neck masses are dermoid cysts, branchial cleft cysts and thyroglossal duct cysts. Dermoid cysts are usually ...