Ductal Carcinoma In-situ
Conditions
Keywords
Ductal Carcinoma In-situ, Contrast Ultrasound, Microinvasion, Elastography
Brief summary
This is a pilot study designed to investigate new techniques to guide the appropriate diagnosis and treatment of Ductal Carcinoma In-situ (DCIS). The microvascularity and stiffness of the lesion may be prognostic factors that can guide the need for more or less extensive therapy or perhaps only imaging follow-up may be needed.
Detailed description
Women who have imaging findings suggestive of DCIS, who are having breast ultrasound and who are candidates for surgery will be eligible. They will receive a contrast-enhanced breast ultrasound after the intravenous injection of a microbubble contrast agent which will show the microvascularity. A subset of women will also have ultrasound elastography performed of the abnormality to evaluate its stiffness.
Interventions
Intravenous injection of 10 microL/kg once prior to ultrasound examination
Sponsors
Study design
Eligibility
Inclusion criteria
* A woman with imaging signs suggesting a diagnosis of DCIS who is scheduled for ultrasound and a biopsy is eligible for the study. * At least 18 years of age
Exclusion criteria
* Pregnant or possibly pregnant or breast feeding * Unable to provide informed consent * Drug or multiple allergies * Known cardiac shunts * Known cardiac or chronic pulmonary disease * Hypersensitivity to perflutren
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evidence of the presence of angiogenic tumour vasculature in patients diagnosed with DCIS utilizing contrast enhanced ultrasound. | The participant will be followed up till the results of the biopsy, an expected average of 3 months. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Measurement of transient shear wave elastography . | The participant will be followed up till the results of the biopsy, an expected average of 3 months. | The quantitative intralesional measurement of shear wave modulus will be compared to the angiogenesis imaging and biomarkers. |
Countries
Canada