Sarcomatoid carcinoma of the prostate

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Sarcomatoid carcinoma of the prostate
Diagnosis in short

Sarcomatoid carcinoma of the prostate. H&E stain.
Synonyms sarcomatoid prostatic carcinoma
Subtypes (subtype of prostate carcinoma)
LM DDx sarcoma, sarcomatoid urothelial carcinoma
IHC PSA +ve, keratin +ve
Gross see prostate carcinoma
Grossing notes see prostate carcinoma
Site prostate gland - see prostate carcinoma
Syndromes see prostate carcinoma
Clinical history typically have history of conventional prostate carcinoma
Prevalence uncommon
Prognosis poor
Clin. DDx see prostate carcinoma
Treatment see prostate carcinoma

Sarcomatoid carcinoma of the prostate, also sarcomatoid prostatic carcinoma, is a rare subtype of prostatic carcinoma with histomorphologic features suggestive of a sarcoma, and a poor prognosis.

General

  • Rare.[1]
  • Poor prognosis - estimated 20% mortality at one year.[1]

Microscopic

Features:[2]

DDx:

Images

Sarcomatoid carcinoma:

  • SPC - low mag.

  • SPC - intermed. mag.

  • SPC - high mag.

  • SPC - very high mag.

  • SPC - intermed. mag.

  • SPC - high mag.

  • SPC - very high mag.

Accompanying (conventional) prostatic carcinoma:

  • SCP - intermed. mag.

  • SCP - intermed. mag.

IHC

Features - typical:[2]

  • PSA +ve.
  • Keratin +ve.

See also

References

  1. ↑ 1.0 1.1 Hansel, DE.; Epstein, JI. (Oct 2006). "Sarcomatoid carcinoma of the prostate: a study of 42 cases.". Am J Surg Pathol 30 (10): 1316-21. doi:10.1097/01.pas.0000209838.92842.bf. PMID 17001164.
  2. ↑ 2.0 2.1 Zhou, Ming; Magi-Galluzzi, Cristina (2006). Genitourinary Pathology: A Volume in Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 77 & 80. ISBN 978-0443066771.
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