放线菌是一种厌氧的革兰氏阳性、有放射状菌丝的微生物,Gupta 首先报告了巴氏染色的宫颈涂片中的放线菌样微生物(ALD),有人报告惰性IUD 使用者中30%ALD 阳性,CuIUD 使用者的宫颈涂片中 ALD 阳性率为1.2%,而未置 IUD 的对照妇女 ALD 阳性率为0。对于宫颈涂片 ALD 阳性而无临床症状的妇女的处理是困难且有争议的;可以 Actinomycetes is an anaerobic, gram-positive, radial mycelial microorganism. Gupta first reported actinomycete-like microbes (ALD) in Pap smear-based cervical smears. It was reported in inactive IUD users 30% ALD positive, CuIUD user’s cervical smear ALD-positive rate was 1.2%, while the control group without IUD ALD-positive rate was 0. Treatment of women with cervical smear-positive ALD without clinical symptoms is difficult and controversial;