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1.
Br J Neurosurg ; 32(3): 299-300, 2018 Jun.
Article in English | MEDLINE | ID: mdl-27908202

ABSTRACT

Iophendylate is an oil-based contrast agent used in conventional myelography before the 1980s. We report an unusual case of an 82-year-old woman with iophendylate migration into the intracranial cerebrospinal fluid space after myelography 40 years ago. The patient was treated conservatively and followed up regularly.


Subject(s)
Contrast Media/adverse effects , Extravasation of Diagnostic and Therapeutic Materials/diagnostic imaging , Iophendylate/adverse effects , Myelography/adverse effects , Subarachnoid Space/diagnostic imaging , Tomography, X-Ray Computed , Aged, 80 and over , Humans
2.
Neuropediatrics ; 48(2): 86-90, 2017 Apr.
Article in English | MEDLINE | ID: mdl-28030870

ABSTRACT

Purpose In periventricular leukomalacia (PVL), apparent diffusion coefficient (ADC) reduction, normally shown as dark stripe in the peritrigonal (PT) white matter, may be incomplete. We assessed the PT dark stripe to differentiate between PVL patients and control subjects. Patients and Methods We reviewed the magnetic resonance studies of 27 neonates and young children with PVL and 67 control subjects to assess the PT dark stripe on ADC maps. In PVL patients, the assessment was referred to the location of PVL lesion on fluid-attenuated inversion recovery (FLAIR) imaging. In the controls, the PT region or the location corresponding to FLAIR hyperintensity was evaluated for the dark stripe. We compared the prevalence of the dark stripe on ADC map and the PT FLAIR hyperintensity between the PVL and the control subjects. Results On ADC map, complete PT dark stripe was present in 67 (100%) of 67 controls but only in 4 (14.8%) of 27 PVL patients (p-value < 0.01), with sensitivity of 0.85, specificity of 1.0, and accuracy of 0.96. PT FLAIR hyperintensity was present in 44 (65.7%) of 67 controls and in 18 (66.7%) of 27 PVL patients (p = 0.920). Conclusion PVL patients can be differentiated from the control subjects with PT dark stripe on ADC map.


Subject(s)
Diffusion Magnetic Resonance Imaging/methods , Image Interpretation, Computer-Assisted/methods , Leukomalacia, Periventricular/diagnostic imaging , Brain/diagnostic imaging , Child, Preschool , Female , Follow-Up Studies , Humans , Infant , Infant, Newborn , Male , Retrospective Studies , Sensitivity and Specificity
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