Bertrand Mercier

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OBJECTIVE Recent studies have suggested modifications of serotonin cerebral metabolism and of 5-HT(1A) receptors density in Alzheimer disease (AD). This study aims at exploring hippocampus 5-HT(1A) receptor density in patients at the amnesic mild cognitive impairment (aMCI) and mild AD dementia stages. METHODS With use of PET with a selective 5-HT(1A)(More)
Progressive polyradiculopathy is a rare, well-documented complication of the acquired immunodeficiency syndrome in man. It has been commonly attributed to a cytomegalovirus (CMV) infection. We report two HIV-infected patients with clinical and electrophysiological features of a unique, subacute, progressive polyradiculopathy. Post-mortem examination in case(More)
Neurological complications of epidural anaesthesia are rare, but can be severe. We report the case of a 49-year-old man, with a history of non equilibrated diabetes, who experienced after an epidural anaesthesia for peripheral vascular surgery a polyneuropathy with muscle weakness of the lower extremities associated with a transient urinary incontinence. A(More)
The authors report here a new case of hydatid mole in one of the eggs of a mole pregnancy. 48 other cases have been reported in 13 publications. The birth of a viable, well-developed fetus is described in 13 instances (27%), fetal death in utero in 22 instances (46%), birth of a non-viable fetus 11 times (23%) and malignant degeneration twice (4%). Medical(More)
An asymptomatic pelvic tumor was incidentally found in a 27-year-old man. A CT-guided needle biopsy with a pathologic examination confirmed the diagnosis of a benign schwannoma. We describe the complete robotic resection with the conservation of normal fascicles. The postoperative course was uneventful. No neurological deficit occurred, and the(More)
slight headache and fatigue. Two weeks later he developed an intense stabbing pain in the distribution of the fifth cranial nerve, mainly the left ear, in front of the tragus, and the left temple. The pain lasted not longer than a few seconds and was described as like "an electric shock". It was not triggered by any stimuli. A tick bite was not recalled.(More)
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