title: Seminal Vesicle Leiomyoma Mimicking Extra-prostatic Extension of Prostatic Adenocarcinoma.
abstract: Leiomyomas are common smooth muscle neoplasms; however, leiomyomas of the seminal vesicles are extremely rare. We report a case of seminal vesicle leiomyoma in a 55-year-old African American male who underwent robot assisted laparoscopic prostatectomy (RALP) for Gleason 8 (4 + 4) adenocarcinoma. An incidental nodule arising from the left seminal vesicle was discovered during surgery, complicating the surgical dissection and suggesting extra-prostatic extension. The histologic findings in this case raised the possibility that this seminal vesicle leiomyoma may have arisen from a remnant of the mid-portion of the Müllerian duct; however, a thorough immunohistochemical (IHC) workup disproved this theory.
authors.affiliation: Department of Pathology, University of Arizona, 1501 N. Campbell Ave., Tucson, AZ 85724, USA; Department of Pathology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Stacy J
authors.initials: SJ
authors.lastname: Arnold
authors.affiliation: Division of Urology, University of Arizona, 1501 N. Campbell Ave., Tucson, AZ 85724, USA; Division of Urology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Frank C
authors.initials: FC
authors.lastname: Lin
authors.affiliation: Department of Pathology, University of Arizona, 1501 N. Campbell Ave., Tucson, AZ 85724, USA; Department of Pathology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Jordan M
authors.initials: JM
authors.lastname: Eldersveld
authors.affiliation: Division of Urology, University of Arizona, 1501 N. Campbell Ave., Tucson, AZ 85724, USA; Division of Urology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Michael C
authors.initials: MC
authors.lastname: Phung
authors.affiliation: Division of Urology, University of Arizona, 1501 N. Campbell Ave., Tucson, AZ 85724, USA; Division of Urology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Jonathan R
authors.initials: JR
authors.lastname: Walker
authors.affiliation: Department of Pathology, Southern Arizona Veterans Affairs Health Care System, Tucson, AZ 85723, USA.
authors.forename: Tan T
authors.initials: TT
authors.lastname: Nguyen
keywords: Leiomyoma; Prostate cancer; Robot assisted laparoscopic prostatectomy; Seminal vesicle