RESUMO
BACKGROUND: Primary non-gestational uterine cervical choriocarcinoma is very unusual and although it has been hypothesized that it can arise by metaplastic transformation of cervical epithelium, solid evidence has been lacking. CASE: Primary non-gestational uterine cervical choriocarcinoma was diagnosed in a 47-year-old, woman undergoing tubal resection 17 years previously. A histologically- and immunohistochemically-confirmed, non-gestational cervical choriocarcinoma could be diagnosed in which there was metaplastic transformation from squamous cells . The patient underwent 5 courses of an actinomycin-D chemotherapeutic regimen and radical hysterectomy with bilateral pelvic lymphadenectomy. CONCLUSION: Primary non-gestational uterine cervical choriocarcinoma may indeed arise from metaplastic transformation of epithelial tissue.