This is a 66 year old man who presents with an elevated serum PSA. Several needle core biopsies of the prostate were obtained.
On the end of the one of the needle core biopsies is a collection of mucin with suspended neoplastic glands.
Immunoperoxidase staining for PSA was negative. Appropriate internal controls were visualized.
|Immunoperoxidase staining for CEA demonstrated strong positivity.|
What is Your Diagnosis?
Last Updated 11/6/2002
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