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Cognitive decline is one of the many characteristics of aging. Reduced long-term potentiation (LTP) and long-term depression (LTD) are thought to be responsible for this decline, although the precise mechanisms underlying LTP and LTD dampening in the old remain unclear. We previously showed that aging is accompanied by the loss of cholesterol from the(More)
Castleman's disease is an uncommon lymphoproliferative disorder characterized by lymph node enlargement, hyperplasia of lymphoid follicles surrounded by mature lymphocytes, and capillary proliferation with endothelial hyperplasia. Although intracranial location is very uncommon, it should be considered in the differential diagnosis of meningeal tumors. We(More)
Introduction. The presence of a serous cyst in the tympanic membrane implies the description of a new or unpublished entity based on our knowledge whose origin may be very unlikely explained on actual embryologic and anatomic background. Clinical Case. We present a case of a 45-year-old woman with progressing right hearing loss. Physical examination(More)
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