Ch. Lang

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BACKGROUND The use of sunscreens on the skin can prevent sunburn but whether long-term use can prevent skin cancer is not known. Also, there is evidence that oral betacarotene supplementation lowers skin-cancer rates in animals, but there is limited evidence of its effect in human beings. METHODS In a community-based randomised trial with a 2 by 2(More)
In a prospective, randomized, double-blind study, 40 patients undergoing gynaecological oncology surgery received either 0.1% ropivacaine with fentanyl 1 microgram ml-1 or 0.2% ropivacaine with fentanyl 2 micrograms ml-1. A PCEA pump was set to deliver ropivacaine 8 mg with fentanyl 8 micrograms with each successful demand and a lockout period of 15 min(More)
OBJECTIVES Since introduction of stereotactic aspiration and fibrinolysis into the treatment of deep-seated intracerebral hematomas by Hondo and Matsumoto 1984 this method has become widely used, and satisfactory morphological results are achieved. Nevertheless, whether the outcome is improved has not yet been investigated. MATERIAL AND METHOD 17 patients(More)
A 22-year-old woman presented with three weeks history of intermittent left loin pain, on radiological evaluation by U\S and MRI revealed left renal pelvic mass, ureterorenoscopy and biopsy taken, but couldn't reveal definitive diagnosis other than presence of a malignant process. Left nephroureterctomy was performed. Grossly there is a polypoid mass(More)
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