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| Name | Class |
|---|---|
| Northwestern University | OTHER |
Specific Aim 1: To determine patient compliance with a GIST surveillance program Hypothesis: Patient compliance with a GIST surveillance program will be low.
Specific Aim 2: To determine if EUS features of GIST, particularly maximum size, change significantly during a surveillance program.
Hypothesis: EUS features of GIST, particularly maximum size, will not change significantly during a surveillance program.
Specific Aim 3: To determine if EGD measures of GIST size correlate well with EUS measures of GIST size.
Hypothesis: EGD measures of GIST size will correlate well with EUS measured of GIST size.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Observation Cohort |
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| Measure | Description | Time Frame |
|---|---|---|
| Determine the natural history of small (< 30 mm) SELs discovered evaluated by EUS. | 3 years |
| Measure | Description | Time Frame |
|---|---|---|
| Determine the degree of patient compliance with surveillance recommendations. | 3 years | |
| Describe the diagnostic yield of EUS±FNA in evaluating SELs. | 2 weeks | |
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Inclusion Criteria:
Exclusion Criteria:
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Adult patients (>18 years of age) referred for EUS evaluation of incidentally discovered foregut SEL at a two tertiary care centers between 8/2008 and 8/2012.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Northwestern University | Chicago | Illinois | 60611 | United States |
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| Compare SEL size estimation based on EUS, EGD and computer tomography (CT). |
| 1 day |