EUS Shear Wave for Solid Pancreatic Lesions.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

25 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-10-01

Study Completion Date

2022-04-01

Brief Summary

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The diagnosis of pancreas diseases is based on a combination of clinical signs, symptoms, and laboratory tests, but mainly on imaging techniques such as computed tomography (CT) and magnetic resonance (MR). However, CT/MR have variable sensitivity and specificity, with certain disadvantages. Endoscopic ultrasound with elastography is an important resource with higher diagnostic accuracy in assessing solid pancreas lesions. Shear wave velocities of healthy parenchyma, acute, chronic and autoimmune pancreatitis, neoplastic lesions of the pancreas must be evaluated and compared.

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Detailed Description

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The pancreas is a retroperitoneal organ that can cause inflammatory and neoplastic diseases, significantly impacting the quality of life to survival. Acute pancreatitis is one of the most frequent gastrointestinal causes for hospital admission in industrialized countries. Chronic pancreatitis, although lower in incidence, significantly reduces patients' quality of life. Pancreas cancer is one of the neoplastic diseases with high mortality worldwide. Those diseases have been associated with significant morbidity, mortality, and hospitalization costs

The diagnosis of pancreas diseases is based on a combination of clinical signs, symptoms, and laboratory tests, but mainly on imaging techniques such as computed tomography (CT) and magnetic resonance (MR). Imaging provides a significant contribution to the diagnosis of pancreatic diseases and severity estimation or staging for inflammatory and neoplastic lesions, respectively. However, CT/MR have variable sensitivity and specificity, with certain disadvantages.

Endoscopic ultrasound with elastography is an important resource with higher diagnostic accuracy in assessing solid pancreas lesions. Shear wave elastography is a novel technique that can measure tissue elasticity by generating shear waves inside the organ using the acoustic radiation force impulse.

EUS Shear wave velocities of healthy parenchyma and solid pancreas lesions as acute, chronic, autoimmune pancreatitis and neoplasia are under described and must be evaluated and contrasted. Therefore, the present study pursues to estimate the diagnostic accuracy of EUS Shear wave for neoplasia assessment among solid pancreas lesions.

Conditions

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Pancreas Neoplasm Pancreatitis Pancreatitis, Acute Pancreatitis, Chronic Pancreatitis, Autoimmune

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Suspicion of solid neoplastic lesion

Patients with high suspicion of solid pancreas neoplasia: carcinoma, intrapapillary mucinous neoplasia (IPMN), neuroendocrine tumor, lymphoma, or intrapancreatic metastasis; based on CT/MR.