Difference between revisions of "Sarcomatoid carcinoma of the prostate"
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| Caption = Sarcomatoid carcinoma of the prostate. [[H&E stain]]. | | Caption = Sarcomatoid carcinoma of the prostate. [[H&E stain]]. | ||
| Synonyms = | | Synonyms = sarcomatoid prostatic carcinoma | ||
| Micro = | | Micro = | ||
| Subtypes = (subtype of [[prostate carcinoma]]) | | Subtypes = (subtype of [[prostate carcinoma]]) | ||
Revision as of 03:53, 17 July 2015
| 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 prostate carcinoma is a rare subtype of prostatic carcinoma.
General
Microscopic
Features:[2]
- Biphasic tumour:
- Spindle cells (sarcomatous component).
- May include components of: osteosarcoma, chondrosarcoma and/or rhabdomyosarcoma.
- Epithelial (glandular) component (like conventional prostate carcinoma).
- Spindle cells (sarcomatous component).
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
- ↑ 1.0 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.
- ↑ 2.0 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.