Deformations can have specific names, take for instance "scoliosis".
And something that is crested is not necessarily deformed - take birds for example: the Black-Crested Warbler.
If you had "multiple lesions of the lymph nodes (lipolymphohemangiomas), overgrowth of one side of the body (hemihypertrophy), an abnormally large head (macrocephaly), partial gigantism of the feet, and darkened spots or moles (nevi) on the skin" you could simply say you are deformed. Or you could say you had "Proteus Syndrome" from what Joseph Merrick (aka "the Elephant Man") apparently suffered from.
If you were a plant, we'd make you a cultivar