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Gardner syndrome , a rare genetic disorder, usually causes what start out to be benign or noncancerous growths.* It is a form of familial adenomatous polyposis (FAP) that is characterized by multiple colorectal polyps and various types of tumors, both benign (noncancerous) and malignant (cancerous). * People affected by Gardner syndrome have a high risk of developing colorectal cancer at an ear...
Variegate porphyria===* Variegate porphyria, also known by several other names, is an autosomal dominant porphyria that can have acute (severe but usually not long-lasting) symptoms along with symptoms that affect the skin. The disorder results from low levels of the enzyme responsible for the seventh step in heme production. Heme is a vital molecule for all of the body's organs. It is a compon...