患者女性,45岁。患系统性红斑狼疮10余年无明显诱因发热1天,并双腰酸痛。尿培养:大肠埃希菌阳性;腹部CT示:膀胱充盈尚可,壁稍增厚,膀胱壁可见线状钙化影,并见结节状突向膀胱腔内致密影(图1);膀胱镜示:膀胱左侧、右侧壁分别见一乳头状肿物,大小3 cm×2 cm及2 cm×2 cm,表面均光滑,无钙化。行膀胱镜活检,送病理检查。病理检查巨检:灰白、灰黄色组织数块,大小0.15 cm Patient female, 45 years old. Suffering from systemic lupus erythematosus for no more than 10 years 1 day fever, and double back pain. Urine culture: Escherichia coli positive; abdominal CT showed: the bladder filling is acceptable, slightly thickening of the wall, the linear calcification of the bladder wall can be seen, and see the sudden nodular to the bladder cavity dense shadow (Figure 1); cystoscopy Show: The left side of the bladder, the right wall, respectively, see a papillary tumor, the size of 3 cm × 2 cm and 2 cm × 2 cm, the surface is smooth, no calcification. Cystoscopy biopsy, sent pathological examination. Pathological examination macroscopic examination: gray, gray yellow tissue several blocks, the size of 0.15 cm