Mitoses are absent. Papillary projections of such cells into cystic spaces are sometimes present. The cells have cytoplasmic glycogen, and therefore stain with periodic acid-Schiff without diastase digestion. Ultrastructurally, the cells contain numerous glycogen granules, and lack significant microvilli and neurosecretory granules. The differential diagnosis includes other cystic pancreatic processes, including mucinous neoplasms and lymphangiomas.
Treatment is surgical resection, and prognosis is generally excellent.
Cases of serous cystoadenocarcinoma are exceedingly rare. The information, discussion and other materials set forth in these web pages are provided solely for informational purposes and are not intended to constitute medical advice or serve as substitute for such advice. Specific questions relating to any medical condition, opinion, treatment or plan of care should be addressed to a qualified physician.