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Ann Surg. 2005 Sep;242(3):413-9; discussion 419-21.

Serous cystadenoma of the pancreas: tumor growth rates and recommendations for treatment.

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  • 1Departments of Surgery, Massachusetts General Hospital, Boston, MA 02114, USA.

Abstract

OBJECTIVE:

To define the natural history and optimal management of serous cystadenoma of the pancreas.

SUMMARY BACKGROUND DATA:

Serous cystadenoma of the pancreas is the most common benign pancreatic neoplasm. Diagnostic criteria, potential for growth or malignancy, and outcomes are not well defined. As a result, management for patients with serous cystadenomas varies widely in current practice.

METHODS:

A total of 106 patients presenting with serous cystadenoma of the pancreas from 1976-2004 were identified. Hospital records were evaluated for patient and tumor characteristics, diagnostic workup, treatment, and outcome. Twenty-four patients with serial radiographic imaging were identified, and tumor growth curves calculated.

RESULTS:

Mean age at presentation was 61.5 years and 75% of patients were female. The most common symptoms were abdominal pain (25%), fullness/mass (10%), and jaundice (7%); 47% were asymptomatic. Mean tumor diameter was 4.9 +/- 3.1 cm, which did not vary by location. Tumors <4 cm were less likely to be symptomatic than were tumors > or =4 cm (22% vs. 72%, P < 0.001). The median growth rate in the patients who had serial radiography was 0.60 cm/y. For tumors <4 cm at presentation (n = 15), the rate was 0.12 cm/y, whereas for tumors > or =4 cm (n = 9), the rate was 1.98 cm/y (P = 0.0002). Overall, 86 patients underwent surgery, with one perioperative death.

CONCLUSIONS:

Large (>4 cm) serous cystadenomas are more likely to be symptomatic. Although the median growth rate for this neoplasm is only 0.6 cm/y, it is significantly greater in large tumors. Whereas expectant management is reasonable in small asymptomatic tumors, we recommend resection for large serous cystadenomas regardless of the presence or absence of symptoms.

PMID:
16135927
PMCID:
PMC1357749
[PubMed - indexed for MEDLINE]
Free PMC Article
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