Please use this identifier to cite or link to this item: https://doi.org/10.1148/radiol.2493080795
Title: Severe hypoglycemia associated with an illegal sexual enhancement product adulterated with glibenclamide: MR imaging findings
Authors: Lim, C.C.T. 
Gan, R.
Chan, C.L.
Tan, H.A.W.K.
Khoo, J.J.C.
Chia, S.-Y.
Kao, S.L.
Abisheganaden, J.
Sitoh, Y.Y.
Issue Date: Jan-2009
Citation: Lim, C.C.T., Gan, R., Chan, C.L., Tan, H.A.W.K., Khoo, J.J.C., Chia, S.-Y., Kao, S.L., Abisheganaden, J., Sitoh, Y.Y. (2009-01). Severe hypoglycemia associated with an illegal sexual enhancement product adulterated with glibenclamide: MR imaging findings. Radiology 250 (1) : 193-201. ScholarBank@NUS Repository. https://doi.org/10.1148/radiol.2493080795
Abstract: Purpose: To describe the magnetic resonance (MR) imaging findings associated with severe hypoglycemia after consumption of an illegal sexual enhancement product (Power 1 Walnut) adulterated with glibenclamide, an oral hypoglycemic agent used to treat diabetes mellitus. Materials and Methods: Institutional review board approval was obtained for this retrospective study. Records in eight male patients with severe hypoglycemia of unknown cause, without prior treatment for diabetes, and with positive blood toxicology results for glibenclamide were reviewed. MR imaging included diffusion-weighted imaging and, in some patients, MR angiography, dynamic contrast material-enhanced perfusion MR imaging, and MR spectroscopy. Results: In seven patients, there were hyperintense abnormalities on diffusion-weighted and T2-weighted images in the hippocampus and cerebral cortex, sparing the subcortical white matter and cerebellum. Three patients had abnormalities of the splenium of the corpus callosum, and one had widespread involvement, including the caudate nucleus, basal ganglia, and internal capsule bilaterally. In three patients, unilateral cortical involvement, which did not conform to the typical cerebral arterial territories, was noted. In one patient, perfusion MR imaging showed slightly increased relative cerebral blood volume, and MR spectroscopy revealed no evidence of abnormal lactate in the affected cerebral cortex. Conclusion: Diffusion-weighted MR imaging findings in patients with severe hypoglycemia showed typical lesions in the hippocampus and cerebral cortex, but the caudate nucleus and basal ganglia were involved in only the most severely affected patient. The splenium of the corpus callosum and internal capsule were also abnormal in three patients, and unilateral cortical lesions could be distinguished from acute ischemic stroke by the pattern of involvement and MR angiographic, perfusion, and spectroscopic findings. © RSNA, 2008.
Source Title: Radiology
URI: http://scholarbank.nus.edu.sg/handle/10635/108542
ISSN: 00338419
DOI: 10.1148/radiol.2493080795
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