患者男、23岁,1988年9年19日入院。入院前4年冬患耳廓冻伤继发化脓性软骨膜炎,经抗菌素治疗,炎症虽治愈:但耳廓逐渐发硬,弯曲活动受限,近一年来,耳廓坚硬如石,影响睡眠,难能侧卧,偶尔不慎受压,易形成溃烂,结痂,听力尚好。局部检查:右耳廓整个变厚约 Male patient, 23 years old, 19 years 19 years of admission in 1988. Four years before admission, winter auricular frostbite secondary purulent perichondritis, antibiotic treatment, although the inflammation is cured: but the auricles gradually stiff, bending activity is limited, the past year, the ear as hard as a stone, affecting sleep, Hard to side, and occasionally pressure, easy to form ulceration, crusting, hearing is still good. Local examination: the entire right auricle becomes thicker