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PURPOSE To investigate the ultrasonographic (US) characteristics for nonpalpable thyroid nodules 1-2 cm in diameter and to evaluate the guideline for fine needle aspiration (FNA) in terms of US findings. MATERIALS AND METHODS Between June 2005 and November 2006, FNA was performed in 919 thyroid nodules by radiologists. Of these nodules, 51 malignant(More)
The authors report a case of photic maculopathy that developed in a 30-year-old laboratory worker after repeated, consecutive exposure to low energy He-Ne laser. Pigmented foveal change and a small central scotoma in the right eye with window defect on fluorescein angiography characterized this maculopathy. Photochemical damage is considered to be the cause(More)
OBJECTIVES To study the changes of alcohol content and pharmacokinetic parameter in rats after taking Huoxiang Zhengqi liquid. METHODS The rats were randomly divided into three groups and given with white alcohol at the dose of 3.0 mL/kg, low-dose and high-dose Chinese medicine liquor, respectively. The blood was collected before administration and 5 min,(More)
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