Luca Dellavedova

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The usefulness of I-ioflupane imaging for detecting loss of functional dopaminergic neuron terminals in the striatum of patients with clinically uncertain parkinsonian syndromes is well known, especially to differentiate essential tremor from parkinsonisms. Here we present a case of a patient suspected of essential tremor but not responding to standard(More)
The prevalence of bone metastases from colorectal cancer (CRC) is quite low and the presence of isolated osseous metastases at the time of diagnosis or the onset of bone metastases without other organ involvement during follow-up is even lower. Here, we present an interesting case of diffuse skeletal metastases from CRC in which both the atypical(More)
The American Society of Clinical Oncology guidelines recommend sentinel lymph node biopsy (SLNB) for all patients with melanoma tumors of intermediate thickness (between 1 and 4 mm). In case of patients with thick melanoma tumors (>4 mm), SLNB may be recommended as well, for staging purposes and to facilitate regional disease control. We report a case of an(More)
Repeated administration of fenfluramine leads to a rapid and progressive loss of its effectiveness in reducing food intake. The animals tolerant to the anorectic effect of fenfluramine had markedly low basal hypothalamic serotonin (5-HT) levels. In this brain area the levels of [Met5]enkephalin-like immunoreactive material were, on the contrary,(More)
We report evidence for an interaction between serotonergic and enkephalinergic neurons in rat striatum and hypothalamus. The administration of drugs such as p-chlorophenylalanine (PCPA), 5,6-dihydroxytryptamine (5,6-DHT) and fenfluramine that lower the striatal and hypothalamic serotonin (5-HT) content caused an increase in Met-enkephalin-like(More)
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