Zhan 2013.
Study characteristics | |||
Patient sampling | Type of study: retrospective study. Consecutive or random sample: unclear. | ||
Patient characteristics and setting | Sample size: 20. Females: 6 (30.0%). Age: 59 years. Presentation: Patients with MCN undergoing operative resection. Setting: secondary care, China. | ||
Index tests | Index test: EUS‐FNA.
Further details:
Technical specifications: GF‐UCT‐2000‐OL5 (Olympus).
Performed by: endoscopist.
Criteria for positive diagnosis: cytology Second criteria for positive diagnosis: CEA > 692.8 ng/mL. |
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Target condition and reference standard(s) | Target condition: cancerous (high‐grade dysplasia or invasive carcinoma) versus precancerous (low‐ or intermediate‐grade dysplasia). Reference standard: surgical excision. Further details: Technical specifications: not applicable. Performed by: clinicians. Criteria for positive diagnosis: not stated. | ||
Flow and timing | Number of indeterminates for whom the results of reference standard were available: not stated. Number of patients who were excluded from the analysis: not stated. | ||
Comparative | |||
Notes | |||
Methodological quality | |||
Item | Authors' judgement | Risk of bias | Applicability concerns |
DOMAIN 1: Patient Selection | |||
Was a consecutive or random sample of patients enrolled? | Unclear | ||
Was a case‐control design avoided? | Yes | ||
Did the study avoid inappropriate exclusions? | Unclear | ||
Unclear | High | ||
DOMAIN 2: Index Test Cancerous (high grade dysplasia or invasive carcinoma) versus precancerous (low or intermediate grade dysplasia) ‐ EUS FNA | |||
If a threshold was used, was it pre‐specified? | Yes | ||
Were the index test results interpreted without knowledge of the results of the reference standard? | Unclear | ||
Unclear | Low | ||
DOMAIN 2: Index Test Cancerous (high grade dysplasia or invasive carcinoma) versus precancerous (low or intermediate grade dysplasia) ‐ EUS FNA (CEA > 692.8 ng/ml) | |||
If a threshold was used, was it pre‐specified? | No | ||
Were the index test results interpreted without knowledge of the results of the reference standard? | Unclear | ||
High | High | ||
DOMAIN 3: Reference Standard | |||
Is the reference standards likely to correctly classify the target condition? | Yes | ||
Were the reference standard results interpreted without knowledge of the results of the index tests? | Unclear | ||
Unclear | Low | ||
DOMAIN 4: Flow and Timing | |||
Was there an appropriate interval between index test and reference standard? | Unclear | ||
Did all patients receive the same reference standard? | Yes | ||
Were all patients included in the analysis? | Unclear | ||
Unclear |
CEA: carcinoembryonic antigen CT: computed tomography EUS: endoscopic ultrasound FNA: fine‐needle aspiration IPMN: intraductal pancreatic mucinous neoplasm MCN: mucinous cystic neoplasm MDCT: multidetector computed tomography MPD: main pancreatic duct MRI: magnetic resonance imaging PET: positron emission tomography SUV: standard uptake value