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Article Abstract
We herein report a case of an elderly woman in whom brown adipose tissue (BAT) was visible on 18 F-FDG PET imaging performed in the summer. In this patient, none of the well-known factors that induce BAT activation in adults, including cold exposure, catecholamine-producing tumors, or β3-adrenergic receptor agonists administration, were present. Daily inhalation of a long-acting β2-adrenergic agonist for treatment of her bronchial asthma was considered the cause of her BAT visualization. This case suggests the need to consider β2-adrenergic receptor agonists as a cause of BAT visualization.
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