患者郑××,男,66岁,系福建省政和县良种场职工。1988年3月,在当地劳动时生吃溪蟹1只,2个月后出现咳嗽、胸闷、胸痛等症状。咳出物带血丝,偶有血块,当地医院按肺部感染治疗3个月后,未见好转,且咳出“烂桃样”血痰。体重由55公斤降至43公斤,血象检查结果WBC9.8×10~9/L,嗜酸性粒细胞 Zheng × × patients, male, 66 years old, Department of Fujian Province Zhenghe County seed market workers. March 1988, when working in the local labor crab 1, 2 months after the cough, chest tightness, chest pain and other symptoms. Cough with bloodshot eyes, occasional blood clots, the local hospital treatment of lung infection by 3 months, no improvement, and cough out “rotten peach-like” bloody sputum. Weight reduced from 55 kg to 43 kg, blood test results WBC9.8 × 10 ~ 9 / L, eosinophils