Dercum's disease is an extremely rare disorder characterized by multiple, painful growths consisting of fatty tissue (lipomas). These growths mainly occur on the trunk, the upper arms and upper legs and are found just below the skin (subcutaneously). Pain associated with Dercum's disease can often be severe. Pain may be caused by these growths pressing on nearby nerves. Dercum's disease mainly occurs in adults and more women are affected than  Read More

KFS is a rare skeletal condition in which there is abnormal union or fusion (congenital synostosis) of two or more bones (vertebrae) within the neck. The spinal column or backbone is made up of 33 irregularly-shaped bones known as vertebrae. These bones are divided into different categories. The first seven vertebrae, beginning at the base of the skull, are known as the cervical vertebrae. KFS primarily affects the cervical vertebrae.  Read More