Abstract
Solitary extramedullary plasma cell tumors, although uncommon, have been reported with increasing frequency over the last few years. Approximately 5 to 10 percent of the tumors arise in the gastrointestinal tract. This report demonstrates that a solitary anaplastic cecal extramedullary plasmacytoma can mimic a polypoid carcinoma, both grossly and, to an extent, microscopically. Immunoperoxidase stains for cytoplasmic immunoglobulin proved useful in establishing the correct diagnosis.
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Sperling, R.I., Fromowitz, F.B. & Castellano, T.J. Anaplastic solitary extramedullary plasmacytoma of the cecum. Dis Colon Rectum 30, 894–898 (1987). https://doi.org/10.1007/BF02555432
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DOI: https://doi.org/10.1007/BF02555432