%0 Journal Article %T Pneumomediastino espontaneo multiloculado em rec¨¦m-nascido: Caso Cl¨ªnico %A Rezende %A D¨¢ria %A Matos %A In¨ºs V %A Oliveira %A M Jo£¿o %A Costa %A Concei£¿£¿o %A Reis %A Luciana %A Reis %A M Guilhermina %A Ferreira %A Paula %J Revista Portuguesa de Pneumologia %D 2010 %I Scientific Electronic Library Online %X spontaneous pneumomediastinum in a term baby without assisted ventilation or known underlying pulmonary disease is uncommon. the authors present a case report of a term baby delivered by caesarean that developed mild respiratory distress after birth. the pulmonary x-ray on day 2 showed an abnormal gas lucency adjacent to the left cardiac border elevating thymic border indicative of pneumomediastinum. our case demonstrates two unique features of neonatal pneumomediastinum - the presence of multiple internal septae and its tendency to loculate locally. the authors present this case for its rarity and the specific imagiological aspects. %K loculated pneumomediastinum %K diferential diagnostics. %U http://www.scielo.gpeari.mctes.pt/scielo.php?script=sci_abstract&pid=S0873-21592010000100011&lng=en&nrm=iso&tlng=en