Erika Kiss

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BACKGROUND The surgical management of malignant melanoma necessitates correct sentinel lymph node localization. The highest reported sensitivities are those of lymphoscintigraphy and intraoperative gamma-probe detection combined with a vital blue dye technique. OBJECTIVE Control of the radiation doses experienced by surgical personnel untrained in the use(More)
Vascular risk factors and data of different examinations relating to extracerebral vascular conditions were analysed in demented patients. Data of demented patients subsequently admitted to the Memory Clinic of the National Institute of Psychiatry and Neurology between March 1995 and February 1996 were registered in a specially designed data sheet. Three(More)
In order to determine if renin release would be affected by a dysfunction of the circadian and ultradian organization of sleep, 24-hour profiles of plasma renin activity (PRA) concomitant with sleep stages were established in 10 normal subjects and nine narcoleptic patients, with 10-minute blood sampling intervals. Mean PRA levels were similar in control(More)
Narcolepsy runs in families, and recent research has revealed the human leukocyte antigen (HLA) DR2 to be a genetic marker closely associated with the disease. But, as indicated by family studies, other factors contribute to the pathogenesis of narcolepsy. The investigation of monozygotic twins is the most specific research tool for distinguishing between a(More)
BACKGROUND It has been previously postulated that high phenylalanine (Phe) might disturb intracerebral dopamine production, which is the main regulator of prolactin secretion in the pituitary gland. Previously, various associations between Phe and hyperprolactinemia were revealed in studies performed in phenylketonuria (PKU) children and adolescents. The(More)