cephalhematoma

noun
ceph·​al·​he·​ma·​to·​ma | \ ˌsef-əl-ˌhē-mə-ˈtō-mə How to pronounce cephalhematoma (audio) \
variants: or cephalohematoma \ ˌsef-​ə-​lō-​ˌhē-​mə-​ˈtō-​mə How to pronounce cephalohematoma (audio) \ or chiefly British cephalhaematoma \ ˌsef-​əl-​ˌhē-​mə-​ˈtō-​mə How to pronounce cephalhaematoma (audio) \ or cephalohaematoma \ ˌsef-​ə-​lō-​ˌhē-​mə-​ˈtō-​mə How to pronounce cephalohaematoma (audio) \
plural cephalhematomas also cephalhematomata\ -​mət-​ə How to pronounce cephalhematomata (audio) \

Medical Definition of cephalhematoma

: a usually benign swelling formed from a hemorrhage beneath the periosteum of the skull and occurring especially over one or both of the parietal bones in newborn infants as a result of trauma sustained during delivery Examination of the newborns, both at delivery and at discharge, did not detect any increase in morbidity (e.g., fractures, cephalhematomas, or hyperbilirubinemia) in the infants of mothers whose labor was actively managed.— José A. López-Zeno et al., The New England Journal of Medicine, 13 Feb. 1992