* <spoiler text="What are the two types of gout and which is more common?">The main type is primary gout which makes up 90% of all cases. In most cases of primary gout the specific enzyme defect is unknownbut there is some enzyme abnormality which leads to hyperuricemia and symptoms of gout. In rare about 10% of cases cases the enzyme defect is known, but gout symptomatology is the main clinical finding.