Biomedical subjects

Katarina Koprivsek

Publications and source records attributed to Katarina Koprivsek.

3 recordsLinked to original sources

PubMed2005

[Reversible brain damage following acute poisoning with an organic solvent determined by magnetic resonance].

INTRODUCTION: Acute exposure to the effects of volatile solvents is characterized by the abrupt onset of symptoms and signs of poisoning, and relatively fast recovery in the majority of cases. CASE REPORT: We report a 24-year-old patient with an acute, accidental poisoning with a mixture of volatile organic solvents (most probably toluene, styrene and xylene), which led to the development of upward gaze paresis, diplopia, hemiparesis, ataxic gate, and the late onset truncal ataxia episodes. After 6 weeks, he recovered completely, while his extensive brain MRI lesions in the caudate nuclei, laterobasal putaminal regions, bilateral anterior insular cortex, central midbrain tegmental area) withdrew completely after 4 months. CONCLUSION: Acute toxic encephalopathy should be a part of the differential diagnosis in any patient with acute neurobehavioral and neurological deficit.

Acute Disease↗

PubMed2004

Bilateral chorea-ballism associated with hyperthyroidism.

We describe a 50-year-old patient with four episodes of recurrent bilateral chorea-ballism (BCB) and associated hyperthyroidism. Reappearance of BCB, associated with increased serum levels of thyroid hormones and lack of relevant changes on brain computed tomography/magnetic resonance imaging scans, suggested that the involuntary movements were likely due to thyrotoxicosis-induced biochemical changes.

Chorea↗

PubMedDate not supplied

Emery-Dreiffus muscular dystrophy: MR imaging and spectroscopy in the brain and skeletal muscle.

Emery-Dreifuss muscular dystrophy is a rare disorder characterized by childhood onset of contractures, humeroperoneal muscle atrophy, and cardiac conduction abnormalities. This report presents the cases of two brothers with this dystrophy in whom bilateral hypomyelination of the deep periatrial white matter was noted. In the hypomyelinated regions, a prominent peak centered at 1.5 parts per million was present on short-TE MR spectra likely representing prominence of proteolipids in the macromolecular region. Major peaks (N-acetyl-aspartate, creatine, choline, and myoinositol) were normal. With respect to muscle changes, atrophy of the medial head of the gastrocnemius muscle was noted at MR imaging, and phosphorus spectroscopy of this muscle revealed decreased phosphocreatine and inorganic phosphate peaks.

Adolescent↗