Abstract
495 Background: This was a retrospective review analyzing the epidemiological and pathological association of penile cancer as well as the clinical results in patients managed at the University of Missouri Hospital and Clinics (UMHC) and Harry S Truman VA. Methods: Records were obtained of patients with a pathological diagnosis of penile cancer from 2001−2014 at UMHC and at the Harry S Truman VA. These charts were retrospectively reviewed. Information regarding patient demographics, pathology, treatment, and outcomes were recorded. Results: Forty-four patients with a pathologic diagnosis of penile cancer were identified. Mean age at diagnosis was 64 with 41 being White, 2 unknown, 1 Black, and 1 Hispanic. Seventy-two percent had tobacco exposure, with 66% of all patients having smoked greater than 10 years. HPV was present in 20%. Circumcision status was reviewed showing overall 61% were circumcised, with 4.5% being circumcised before the age of 18. Premalignant lesions were identified in 36% of the patients, with condyloma acuminate being the most common followed by Lichen Sclerosus and severe dysplasia. The vast majority (98%) of penile cancers were squamous cell carcinoma (SCCa), with only one patient having a Buschke−Lowenstein tumor. Invasive SCCa without nodal involvement was the most common pathologic stage (41%) followed by nodal positive disease (36%) and CIS (23%). Of those with node positive disease, 56% were dead less than 5 years after nodal involvement. Ninety-nine procedures with curative intent were performed, with a mean of 2.25 procedure per patient. However, only 79 of the procedures led to a sustainable cure. Of those patients with metastatic disease 13.6% underwent chemotherapy and 9.1% received radiation. Conclusions: Our study reflects the trends in stage, recurrence, treatment, and outcomes at two large centers for penile cancer. In this patient group the majority had exposure to tobacco and almost exclusively had SCCa. A durable cure may require multiple operative interventions. Nodal involvement carries a poor prognosis and high risk of death in less than 5 years once diagnosed.
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