IInd Joint Meeting of the Portuguese Society of Neuroradiology (SPNR) and of the Spanish Society of Neuroradiology (SENR): (IX National Congress of the SPNR and XLII Annual Meeting of the SENR) 17–19 October 2013, Lisbon, Portugal...IInd Joint Meeting of the Portuguese Society of Neuroradiology (SPNR) and of the Spanish Society of Neuroradiology (SENR) (IX National Congress of the SPNR and XLII Annual Meeting of the SENR) 17–19 October 2013, Lisbon, Portugal