title: Labor dystocia as first presentation of pelvic malignancy.
abstract: The underlying causes of labor dystocia can be various. Lack of expulsive forces or fetal malpresentation are amongst the most common ones. However, pelvic masses are described as well. Here we describe two cases of labor dystocia as first presentation of pelvic malignancy.
authors.affiliation: Department of Obstetrics and Gynecology, Radboud University Nijmegen Medical Centre, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands.
authors.forename: Dennis
authors.initials: D
authors.lastname: van Hamont
authors.forename: Petra L M
authors.initials: PL
authors.lastname: Zusterzeel