Mucin secreting cystic lesions of the pancreas

Treatment by enucleation

James A. Madura, Moo Nahm Yum, Glen Lehman, Stuart Sherman, C. Schmidt

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Ninety per cent of pancreatic cysts are inflammatory pseudocysts. The other 10 per cent are congenital or neoplastic and include congenital true cysts, retention cysts, lymphoepithelial cysts, the mucinous cystadenoma, mucinous cystadenocarcinoma, and serous microcystic cystadenomas and the more recently described intraductal papillary mucin-secreting neoplasms. The advent of computerized tomographic scanning, endoscopic retrograde cholangiopancreatography (ERCP), and endoscopic ultrasonography (EUS) has brought many of these lesions to light when they are minimally symptomatic or are incidentally found while investigating unrelated problems. If there is any suspicion of actual or potentially malignant disease, then total excision of the lesion with part of or the entire pancreas is indicated to achieve a likely cure, as survival is better than for the more common ductal adenocarcinomas. There are few reliable preoperative studies to distinguish accurately the etiology and prognosis of this spectrum of cystic lesions, and usually the actual diagnosis is made only at the time of operation or histopathologic examination after the cystic lesion has been biopsied or excised. If a cyst is confirmed to be totally benign, as in the congenital true cyst, lymphoepithelial cyst, or a benign mucinous cyst, they may lend themselves to nonoperative observation or excision without sacrifice of pancreatic parenchyma. However, many mucin-producing cystic lesions may evolve into a dysplastic or invasive malignant lesion requiring more aggressive resective treatment, and it is important not to miss that diagnosis early when cure is still possible. This report presents four benign mucin-secreting cysts treated by local excision. All four were in the head of the pancreas and communicated with the main pancreatic duct and lacked ovarian-type stroma, thus categorizing them as side-branch intraductal papillary mucinous neoplasms. These lesions were able to be easily dissected out of the pancreas with only one patient developing a transient pancreatic fistula. Intraoperative and final histopathology confirmed the benign status, and these patients have remained disease free 3 to 5 years postoperatively. A review of benign tumors reported to have been treated by cyst enucleation in the literature confirms the rationale of this approach in highly selected lesions.

Original languageEnglish
Pages (from-to)106-112
Number of pages7
JournalAmerican Surgeon
Volume70
Issue number2
StatePublished - 2004

Fingerprint

Mucins
Cysts
Pancreas
Mucinous Cystadenocarcinoma
Serous Cystadenoma
Mucinous Cystadenoma
Pancreatic Cyst
Pancreatic Fistula
Neoplasms
Endosonography
Endoscopic Retrograde Cholangiopancreatography
Pancreatic Ducts
Adenocarcinoma
Observation
Light
Survival

ASJC Scopus subject areas

  • Surgery

Cite this

Mucin secreting cystic lesions of the pancreas : Treatment by enucleation. / Madura, James A.; Yum, Moo Nahm; Lehman, Glen; Sherman, Stuart; Schmidt, C.

In: American Surgeon, Vol. 70, No. 2, 2004, p. 106-112.

Research output: Contribution to journalArticle

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