Conclusion:TTC stain was simple and accurate in the observation of bilogical focal field of HIU,it yielded higher positive rate than that observed macroscopically.

• 结论：TTC染色方法对高强度超声生物学焦域凝固性坏死的观测准确可靠、直观快捷，且明显提高肉眼生物学焦域的检出率。