Chignon (medical term)

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For the hair pattern, see Chignon (hairstyle).

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Chignon (medical term)
Classification and external resources
A baby's scalp showing the effects of a vacuum extraction.
ICD-10	P 12.1
ICD-9	767.19

A chignon is a temporary swelling left on an infant's head after a ventouse suction cap has been used to deliver him or her. It is not a sign of serious injury and may take as little as two hours or as long as two weeks to disappear.

Certain conditions originating in the perinatal period / fetal disease (P, 760–779)

Maternal factors and
complications of pregnancy,
labour and delivery

placenta: Placenta praevia · Placental insufficiency · Twin-to-twin transfusion syndrome

chorion/amnion: Chorioamnionitis

umbilical cord: Umbilical cord prolapse · Nuchal cord · Single umbilical artery

Length of gestation
and fetal growth

Small for gestational age/Large for gestational age · Preterm birth/Postmature birth · Intrauterine growth restriction

Birth trauma

scalp (Cephalhematoma, Chignon, Caput succedaneum, Subgaleal hemorrhage) · Brachial plexus lesion (Erb's palsy, Klumpke paralysis)

By system

Respiratory	Intrauterine hypoxia · Infant respiratory distress syndrome · Transient tachypnea of the newborn · Meconium aspiration syndrome · pleural disease (Pneumothorax, Pneumomediastinum) · Wilson-Mikity syndrome · Bronchopulmonary dysplasia

Cardiovascular	Pneumopericardium · Persistent fetal circulation

Haemorrhagic and hematologic disease	Vitamin K deficiency (Haemorrhagic disease of the newborn) HDN (ABO • Anti-Kell • Rh c • Rh D • Rh E) · Hydrops fetalis · Hyperbilirubinemia (Kernicterus, Neonatal jaundice) Velamentous cord insertion Intraventricular hemorrhage (Germinal matrix hemorrhage) Anemia of prematurity

Digestive	Ileus · Necrotizing enterocolitis · Meconium peritonitis

Integument and temperature regulation	Erythema toxicum · Sclerema neonatorum

Nervous system	Periventricular leukomalacia

Musculoskeletal	Gray baby syndrome · muscle tone (Congenital hypertonia, Congenital hypotonia)