| Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. | |
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MedLine Citation:
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PMID: 17055859 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Accurate assessment of pancreatic cystic neoplasms is imperative before selecting available treatment options, such as surgical resection, drainage, or conservative therapy. Available modalities, CT and magnetic resonance imaging, have been inconsistent in diagnosis. Reports involving EUS and cyst fluid analysis have been encouraging, including studies of EUS features and/or cyst fluid analysis, which may differentiate pancreatic cystic neoplasms. OBJECTIVE: To retrospectively determine cyst fluid characteristics that differentiate cystic neoplasms. DESIGN: Patient evaluation included (1) EUS features (reported elsewhere) and (2) cyst fluid analysis (carcinoembryonic antigen [CEA], carbohydrate antigen 19-9 [CA 19-9], amylase and lipase, viscosity [VIS], mucin stain, and cytology). Exclusion criteria included the following: intraductal papillary mucinous tumor lesions, bloody cyst aspirate, neuroendocrine tumors, and patients without surgical histopathology. SETTING: Pancreatic Biliary Center, St Luke's Medical Center, Milwaukee, Wisconsin. PATIENTS: A total of 102 patients (60 women, 42 men; age, 23-76 years) presented for evaluation of pancreatic cystic neoplasm; 71 underwent surgical resection. RESULTS: Seventy-one of 102 patients who underwent surgery presented the following histopathologic correlates: 23 pseudocysts (PC), 13 serous cystadenoma (SCyA), 21 mucinous cystadenoma (MCyA), and 14 mucinous cystadenocarcinoma (MCyA-CA). Cyst fluid analysis of these patients showed the following: VIS was lower in PC (mean, 1.3) and SCyA (1.27) when compared with MCyA (1.84) and MCyA-CA (1.9). All mucinous neoplasms had VIS >1.6, whereas only 2 mucinous cystic neoplasms (MCN) had VIS = 1.6 (both PC). The CEA level was significantly higher in MCyA (adenoma [878 ng/mL], carcinoma [27,581 ng/mL]) vs PC (189 ng/mL), and SCyA (121 ng/mL). Amylase levels were higher in PC (7210 U/L) compared with cystic neoplasm (SCyA, 679 U/L; MCyA, 1605 U/L; MCyA-CA, 569 U/L). CONCLUSIONS: Differential diagnosis of pancreatic cystic neoplasm is significantly enhanced by cyst fluid analysis. Elevated CEA (> or =480 ng/mL) and VIS (>1.6) accurately predict MCN from SCyA and PC. Malignant from benign MCN can be differentiated by CEA levels > or =6000 ng/mL. |
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Authors:
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Jeffrey D Linder; Joseph E Geenen; Marc F Catalano |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Gastrointestinal endoscopy Volume: 64 ISSN: 0016-5107 ISO Abbreviation: Gastrointest. Endosc. Publication Date: 2006 Nov |
Date Detail:
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Created Date: 2006-10-23 Completed Date: 2007-02-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0010505 Medline TA: Gastrointest Endosc Country: United States |
Other Details:
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Languages: eng Pagination: 697-702 Citation Subset: IM |
Affiliation:
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Pancreatic Biliary Center, St. Luke's Medical Center, Milwaukee, Wisconsin 53215, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Amylases / analysis Analysis of Variance Biopsy, Fine-Needle / methods* CA-19-9 Antigen / analysis Carcinoembryonic Antigen / analysis Cyst Fluid / chemistry* Cystadenocarcinoma / chemistry Cystadenoma, Mucinous / chemistry Cystadenoma, Serous / chemistry Endosonography* Female Humans Lipase / analysis Male Middle Aged Mucins / analysis Pancreatic Neoplasms / chemistry*, pathology, ultrasonography Pancreatic Pseudocyst / chemistry*, pathology, ultrasonography Prospective Studies Retrospective Studies Sensitivity and Specificity Tumor Markers, Biological / analysis* Viscosity Wisconsin |
| Chemical | |
Reg. No./Substance:
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0/CA-19-9 Antigen; 0/Carcinoembryonic Antigen; 0/Mucins; 0/Tumor Markers, Biological; EC 3.1.1.3/Lipase; EC 3.2.1.-/Amylases |
| Comments/Corrections | |
Comment In:
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Gastrointest Endosc. 2006 Nov;64(5):703-4
[PMID:
17055860
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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