PMC4872920_01
Nuclear magnetic ressonance of the pelvis showing the urethral tumor (arrow)
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Total abdominal ultrasound was normal and pelvis examination with contrast showed an extensive injury in posterior urethra that invaded the prostate, bladder and perivesical tissue (Figure 1), but no changes were seen in the upper urinary tract or distant metastasis.
Posterior urethral sarcoma (indicated with arrows). Thickening and hardening of the affected area
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The patient underwent a cystoprostatectomy with removal of the testicles, pelvic lymphadenectomy and ureteroileostomy using the Bricker method (Figure 2).
(A) High degree urethral sarcoma; (B) Immunohistochemical analysis that revealed strong positivity of vimentin; (C) Urethral tumor also showing positivity for desmin
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The anatomopathological study showed a high histological degree pleomorphic sarcoma, measuring approximately 20.0cm, in the bulbar urethra with neoplasia affecting the bladder base, periprostatic region, seminal vesicles, base of the penis and cavernous bodies (Figure 3).