Carbon monoxide toxicity: MR imaging in the brain.

Abstract

Two cases of magnetic resonance (MR) imaging of intracranial abnormalities resulting from carbon monoxide toxicity are presented. Both cases demonstrate lesions in the globus pallidi of high MR signal intensity that correspond to previously reported abnormalities; the second case illustrates bilateral cortical high signal intensity lesions. The superiority of MR imaging in comparison with computed tomography is demonstrated in one case. The known effects of carbon monoxide toxicity in the brain are correlated with the findings of MR imaging.

Novel clinical grading of delayed neurologic sequelae after carbon monoxide poisoning and factors associated with outcome

“…For 17 patients who developed DNS and were transferred to a long-term care facility in a A c c e p t e d M a n u s c r i p t DNS grading & prognostic factors 10 remote location, a telephone interview with an attending physician replaced the 1 follow-up visit. 2 We collected clinical data for patients who experienced acute CO poisoning, including 3 age, gender, presence or absence of a suicide attempt, source of CO poisoning, lowest 4 score on the Glasgow Coma Scale (GCS) during the acute CO poisoning, whether the 5 patient had been intubated during acute-phase treatment, COHb percentage at the time 6 of admission to the hospital, and frequency of HBO therapy. 7 We defined the acute phase of CO poisoning as the first week (within 7 days) after acute 8 CO exposure and defined the recovery phase as 1 month (29-35 days) after CO 9 exposure.…”

Karbonmonoksit İntoksikasyonu Sonrası Gelişen Geç Nörolojik Sendrom Olgu Sunumu

“…Geç nörolojik sendromda, akut CO zehirlenmesinden genellikle 1 ila 4 hafta sonra, nörolojik ve radyolojik bulgular ortaya çıkmaktadır (11,12). CO zehirlenmesinde radyolojik olarak beyinde görülen patolojik değişiklikler globus pallidum nekrozu, serebral beyaz cevherde demiyelinizasyon, serebral kortekste süngerimsi nekroz ve hipokampüs nekrozudur (12).…”

“…CO zehirlenmesinde radyolojik olarak beyinde görülen patolojik değişiklikler globus pallidum nekrozu, serebral beyaz cevherde demiyelinizasyon, serebral kortekste süngerimsi nekroz ve hipokampüs nekrozudur (12). Görüntüleme yöntemleri ile bu değişiklikler bir dereceye kadar gösterilebilir.…”

Diagnostic Approach in Patients with Symmetric Imaging Lesions of the Deep Gray Nuclei

“…Nevertheless, the different neuroimaging patterns further emphasize the selective vulnerability of this neuroanatomic area (cases 11,12,16,17). CT scan and MRI are more helpful than DWI, MRA, and MRV in patients with chronic disease processes, and calcium deposition is appreciated more frequently and distinctly on CT than in MRI (cases 14,18,19). 11 Additionally, the gradient echo sequence best demonstrates calcification and chronic hemorrhage on MRI and in conjunction with CT can provide further diagnostic information in patients with DGMN lesions.…”