“…These children possess various physical characteristics which resemble those of an elderly individual. The general physical characteristics are agedlooking skin, conspicuous veins running through the head, short stature, alopecia, craniofacial disproportion, high-pitched voice, micrognathia, dystropic nails, skeletal hypoplasia and dysplasia, beak-like nose, coxa valga, decreased subcutaneous fat, thin limbs with prominent stiff joints, atrophic skin, horse-riding stance, sclerodermoid lesions, delayed dentition, mottling hyperpigmentation, prominent eyes, delayed closure of fontanelles and sutures, protruding ears with absence of earlobes, faint midfacial cyanosis, flares metaphyses, hypoplastic nipples, decreased sweating, and easy bruising (Hutchinson, 1886;Talbott et al, 1945;Manschot, 1950;Thomson and Forfar, 1950;Cooke, 1953;Album and Hope, 1958;Ozonoff and Clemett, 1967;Fleischmajer and Nedwich, 1973;Csoka et al, 2004;Gordon et al, 2007;Progeria Research Foundation, 2009;Surjushe et al, 2009). There is a rate of > 2 SD below normal weight gain for individuals with HGPS at any corresponding age (Gordon et al, 2007).…”