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High Field Strength (4.7t) Magnetic Resonance Imaging of Hydrocephalus in an African Grey Parrot (Psittacus Erithacus)

Fleming G.J., Lester N.V., Stevenson R., et al.

Vet Radiol Ultrasound, 2003. 44(5): p.542-5.

Hydrocephalus was diagnosed in a juvenile African Grey parrot by high-field strength (4.7-Tesla) magnetic resonance imaging (MRI). Excellent anatomic detail was achieved, and there was severe dilation of all ventricles. Relative obstruction was localized to the level of or beyond the outflow of the fourth ventricle. There have been several reports of hydrocephalus diagnosed postmortem in psittacines (i.e., hook-billed parrots), however, this is the first report of an antemortem diagnosis in a psittacine using high-field strength MRI.