This is a single-institution prospective diagnostic study including patients enrolled over 3 years (from March 2017 to April 2020) at Gynecologic Oncology Unit, Fondazione Policlinico Universitario A. Gemelli IRCSS. The study was approved by the ethical committee of our University, and signed informed consent was obtained from all patients. All women with histological diagnoses of invasive vulvar cancer (primary tumor or recurrence) who were candidates for inguinal surgery were included in the study. The exclusion criteria were: time from ultrasound evaluation to surgery more than 30 days, the surgical procedure was not performed at our institution, and incomplete clinical and ultrasound data.
Study data were managed using REDCap (electronic data capture tools hosted at Fondazione Policlinico Universitario “A. Gemelli”, IRCCS; https://redcap-irccs.policlinicogemelli.it/, accessed on 8 October 2020).
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