Classic cases of Turner's syndrome have a 45X karyotype, short stature, streak gonads, sexual infantilism, and a female phenotype. Other findings may include down turning of the corners of the mouth or ΓÇÿfish-mouthΓÇÖ appearance, ptosis, low-set ears, a broad shield-like chest, the appearance of wide- spaced and hypoplastic nipples, short webbed neck with low hairline, short fourth metacarpals, wide-carrying angle of the arms, abnormalities in the shape of the kidneys (with or without functional impairment), multiple naevi, spoon-shaped (hyperconvex) hypoplastic nails, and left-sided heart anomalies (such as coarctation of the aorta).
