prostatic yolk sac tumor
Variants
combined focal seminoma of the prostate
Synopsis
papillary and glandular epithelium
fibrous or myxoid stroma
Schiller-Duval bodies
periodic acid-Schiff-positive hyaline bodies
Immunochemistry
alpha-fetoprotein +
cytokeratin +/-
placental alkaline phosphatase -
prostate-specific antigen -
prostatic acid phosphatase -
carcinoembryonic antigen
vimentin -
chromogranin A -
human chorionic gonadotropin - (HCG -)
See also
primary endodermal sinus tumor (EST) (yolk sac tumor)
References
Han G, Miura K, Takayama T, Tsutsui Y. Primary prostatic endodermal sinus tumor (yolk sac tumor) combined with a small focal seminoma. Am J Surg Pathol. 2003 Apr;27(4):554-9. PMID: #12657943#