Published ahead of print on January 17, 2008
doi: 10.3174/ajnr.A0966
Substantia Nigra MR Imaging Signal Changes and Cardiomyopathy Following Prenatal Exposure to Cocaine and Heroin
R. Arnolda,
C. Johnsona,
B. McNultyb and
G. Gaisiec
a Department of Diagnostic Radiology, Northeastern Ohio Universities College of Medicine-Canton Affiliated Hospitals, Canton, Ohio
b Department of Neuroradiology, Northeastern Ohio Universities College of Medicine-Canton Affiliated Hospitals, Canton, Ohio
c Department of Pediatric Radiology, Akron Children's Hospital, Akron, Ohio

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Fig 1. A T2-weighted axial sequence demonstrates symmetric well-circumscribed hyperintensities (arrows) within the pars compacta of the substantia nigra (A). T2-weighted images of the dorsal motor nucleus of the vagus (B), the solitary nucleus (C), and the medial vestibular nucleus (D) demonstrate similar symmetric well-circumscribed focal hyperintensities (arrows).
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