Chignon Health Dictionary

Chignon: From 1 Different Sources


n. a temporary swelling on the head seen in newborn infants delivered with the aid of vacuum suction. See also cephalhaematoma; subaponeurotic haemorrhage.
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Caput Succedaneum

a temporary swelling of the soft parts of the head of a newly born infant that occurs during labour, due to compression by the muscles of the cervix (neck) of the uterus, and resolves after delivery. Compare cephalhaematoma; chignon.... caput succedaneum

Cephalhaematoma

n. a swelling on the head caused by a collection of bloody fluid between one or more of the skull bones (usually the *parietal bone) and its covering membrane (periosteum). It is most commonly seen in newborn infants delivered with the aid of forceps or vacuum extraction or subjected to pressures during passage through the birth canal. No treatment is necessary and the swelling disappears in a few months. If it is extensive, the blood in the fluid may break down, releasing bilirubin into the bloodstream and causing *jaundice. A cephalhaematoma in an older baby or child is evidence of some recent injury to the head; occasionally an unsuspected fracture is revealed on X-ray. See also chignon; subaponeurotic haemorrhage.... cephalhaematoma

Subaponeurotic Haemorrhage

bleeding under the *aponeurosis of the scalp resulting from trauma to blood vessels crossing the space from the skull to the overlying scalp. It results from delivery by forceps or vacuum extraction. It is very uncommon but can be fatal. See also cephalhaematoma; chignon.... subaponeurotic haemorrhage



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