[The Patau syndrome].

Known as D trisomy, Patau syndrome is the third chromosomopathy according to frequency. One of the 5000 newborn carries the trisomy 13. In over 80% cases there is fresh mutation with non separation in myeosis of older mother.

[Magnetic resonance cholangiopancreatography (MRCP): correlation with diagnosis using ERCP].

Magnetic resonance cholangiopancreatography (MRCP) is non invasive imaging technique able to provide projection images of the bile and pancreatic ducts. Using breath--hold and non-breath--hold acquisition techniques, have been employed in order to obtain MRCP images. Clinical applications of MRCP are evaluated from presenting references and from personal experience.