Pseudomyxoma peritonei and malignant mucocele of the appendix: a case report
1986
: A case of pseudomyxoma peritonei originating in a malignant mucocele of the appendix, a very rare clinical entity, is presented. The cytologic findings in the gelatinous ascitic fluid of epithelial clusters with minimal nuclear atypia suggested a diagnosis of pseudomyxoma peritonei. Both routine stains and special stains for mucus assisted in making the cytologic diagnosis. Histologic examination of the laparotomy specimen confirmed the presence of a well-differentiated mucinous cystadenocarcinoma, with an apparent appendiceal origin. The origins and relationships of appendiceal mucocele and pseudomyxoma peritonei are discussed.
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