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Primary signet-ring cell carcinoma of urinary bladder
S A Bernstein1, V E Reuter, P R Carroll
1Department of Surgery (Urologic Service), Memorial Sloan-Kettering Cancer Center, New York, New York.
Urology
|May 1, 1988
Summary
This case study details primary signet-ring cell carcinoma of the urinary bladder, a rare cancer. The tumor shows bladder epithelium metaplasia but typically follows a poor prognosis despite treatment.
Area of Science:
- Uropathology
- Oncology
Background:
- Primary signet-ring cell carcinoma (SRCC) is an extremely rare malignancy of the urinary bladder.
- This subtype is characterized by neoplastic cells containing abundant intracytoplasmic mucin, displacing the nucleus to create a signet-ring appearance.
Observation:
- A clinical and pathological description of a primary signet-ring cell carcinoma of the urinary bladder is presented.
- The tumor exemplifies the capacity of the bladder's epithelial lining to undergo metaplastic changes.
Findings:
- The characteristic signet-ring cells, filled with mucin, are a key diagnostic feature.
- Metaplasia of the bladder epithelium is a notable feature observed in this rare neoplasm.
Implications:
- This case highlights the aggressive nature of primary bladder SRCC.
- Understanding the metaplastic potential of bladder epithelium is crucial for diagnosing and managing rare bladder tumors.