These syndromes or disorders should be considered because of shared physical features: Beckwith-Wiedermann Syndrome Weaver Syndrome Nevo Syndrome Bannayan, Ruvalcaba, Riley-Smith Syndrome Marshall-Smith Syndrome IODM (Infant of a Diabetic Mother) Cerebral Palsy Fragile X Syndrome (Use search feature for other references) Neurofibromatosis Marfan Syndrome Ehlers Danlos Syndromes (Use search feature for other references) Pituitary Gigantism Pineal Tumor Simpson-Rosen-Golabi-Behmel Syndrome Storage Disorders.