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P Escada C Capucho JM Silva CB Ruah JP Vital RS Penha 《Canadian Metallurgical Quarterly》1997,111(9):858-861
Facial nerve haemangiomas are probably the most frequent benign tumours involving the facial nerve in its intratemporal portion. Usually facial nerve dysfunction is present when these tumours are of extremely small size, the average tumour being less than 10 mm. We present a case of a 15 mm diameter cavernous haemangioma of the geniculate region, with histological findings of nerve infiltration, without facial nerve symptoms. The atypical clinical presentation justifies the report and subsequent literature review. 相似文献
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A Serr?o Neto P Flores C Ruah E Sousa P Pereira FT Noronha JM Palminha R Penha 《Canadian Metallurgical Quarterly》1998,11(7):643-647
Cystic lymphatic malformations are haemodynamically inactive vascular malformations that never regress. During a nine-year period, 52 patients with cervico-facial superficial cystic lymphatic malformations underwent percutaneous sclerotherapy with Ethibloc (a corn-based alcohol derivative). In 57 percent (30/52) of cases, the outcome of sclerotherapy alone was excellent or good: in 19 percent (10/52), the procedure had to be combined with surgery for aesthetic reasons; and in the remaining 24 percent (12/52), the treatment failed. The results suggest percutaneous sclerotherapy with Ethibloc to be safe and effective, and that it is to be recommended as the treatment of choice in cases of superficial cystic lymphatic malformations. 相似文献
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Regular expressions and their extensions have become a major component of industry-oriented specification languages such as IEEE PSL [IEEE Standard for Property Specification Language (PSL). IEEE Std 1850™-2005]. The model checking procedure of regular expression based formulas, involves constructing an automaton which runs in parallel with the model. 相似文献
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