<unk>  is a rare genetic disorder characterized by craniosynostosis (premature fusion of certain bones of the skull, sometimes resulting in a characteristic 'cloverleaf skull'; further growth of the skull is prevented, and therefore the shape of the head and face is abnormal) and a specific skin abnormality, called<unk><unk> , characterized by a furrowed and wrinkled appearance (particularly in the face and on the palms and soles of the feet); thick, dark, velvety areas of skin (acanthosis nigricans) are sometimes found on the hands and feet and in the groin.
Beare–Stevenson cutis gyrata syndrome
Van Wyk and Grumbach syndrome
Cruveilhier–Baumgarten disease
Johnson–McMillin syndrome
Peters-plus syndrome
Bogart–Bacall syndrome
McGillivray syndrome
Vogt–Koyanagi–Harada disease