Transrectal ultrasound appearance of radiation-induced prostatic sarcoma

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

BACKGROUND. Delayed development of prostatic sarcoma is a rare complication of prostatic pelvic irradiation. The transrectal ultrasound appearance of this lesion has not been previously described. METHODS. Three cases of radiation-induced prostatic sarcoma are presented, with emphasis on the transrectal ultrasound findings. RESULTS. An irregular, hypoechoic prostatic mass with an anechoic area consistent with the echogenicity of muscle and/or necrosis was found in all 3 patients. This appearance is distinctly dissimilar from prostatic adenocarcinoma. CONCLUSIONS. The sonographic finding of an irregular, hypoechoic prostatic mass with an anechoic area should raise suspicion for prostatic sarcoma in patients with a history of pelvic irradiation who develop an abnormal prostate on rectal examination and/or worsening voiding symptoms despite a normal serum prostate-specific antigen level.

Original languageEnglish (US)
Pages (from-to)182-186
Number of pages5
JournalProstate
Volume37
Issue number3
DOIs
StatePublished - Nov 1 1998

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Sarcoma
Prostate-Specific Antigen
Prostate
Adenocarcinoma
Necrosis
Radiation
Muscles
Serum
Ultrasonic Waves

Keywords

  • Prostate neoplasms
  • Sarcoma
  • Transrectal ultrasound

ASJC Scopus subject areas

  • Oncology
  • Urology

Cite this

Transrectal ultrasound appearance of radiation-induced prostatic sarcoma. / Terris, Martha Kennedy.

In: Prostate, Vol. 37, No. 3, 01.11.1998, p. 182-186.

Research output: Contribution to journalArticle

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AB - BACKGROUND. Delayed development of prostatic sarcoma is a rare complication of prostatic pelvic irradiation. The transrectal ultrasound appearance of this lesion has not been previously described. METHODS. Three cases of radiation-induced prostatic sarcoma are presented, with emphasis on the transrectal ultrasound findings. RESULTS. An irregular, hypoechoic prostatic mass with an anechoic area consistent with the echogenicity of muscle and/or necrosis was found in all 3 patients. This appearance is distinctly dissimilar from prostatic adenocarcinoma. CONCLUSIONS. The sonographic finding of an irregular, hypoechoic prostatic mass with an anechoic area should raise suspicion for prostatic sarcoma in patients with a history of pelvic irradiation who develop an abnormal prostate on rectal examination and/or worsening voiding symptoms despite a normal serum prostate-specific antigen level.

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