Describe what is athelia syndrome?
['Athelia is a very rare entity that is defined by the absence of the nipple-areola complex. ', 'Absence of the nipple, areola (athelia), or the breast tissue (amastia) is less frequent.', 'The absence of nipple-areola complex is a rare entity and is always associated with other anomalies. This paper described a case of bilateral athelia without other alterations.', 'Athelia is a very rare entity that is defined by the absence of the nipple-areola complex. It can affect either sex and is mostly part of syndromes including other congenital or ectodermal anomalies, such as limb-mammary syndrome, scalp-ear-nipple syndrome, or ectodermal dysplasias. Here, we report on three children from two branches of an extended consanguineous Israeli Arab family, a girl and two boys, who presented with a spectrum of nipple anomalies ranging from unilateral hypothelia to bilateral athelia but no other consistently associated anomalies except a characteristic eyebrow shape.', 'Athelia is a very rare entity that is defined by the absence of the nipple-areola complex.']
['Athelia is a very rare entity that is defined by the absence of the nipple-areola complex.']
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