For ages, they have been willing to throw down over the merits of serif versus sans-serif typefaces.
Quick Answer. Liver nodules, usually a sign of liver disease, can be caused by certain parasitic or viral infections, immune system abnormalities, cancer and genetic conditions, according to Mayo Clinic. Contributing factors include heavy alcohol or drug use, unprotected sex, obesity, diabetes and exposure to certain chemicals.
A thyroid nodule is a lump in or on the thyroid gland. Thyroid nodules are common and detected in about six percent of women and one to two percent of men; they are less common in younger patients and occur 10 times as often in older individuals, but are usually not diagnosed.ometimes several nodules will develop in the same person. Any time a lump is discovered in thyroid tissue, the possibility of malignancy (cancer) must be considered. More than 95 percent of thyroid nodules are benign (non-cancerous), but tests are needed to determine if a nodule is cancerous.