Patient had a diagnostic ultrasound study performed at University of North Carolina
Scheduled for a biopsy
Lesion visualized on ultrasound
Able to provide informed consent
Negative urine pregnancy test in women of child-bearing potential
You may not be if
Institutionalized subject (prisoner or nursing home patient)
Critically ill or medically unstable and whose critical course during the observation period would be unpredictable (e.g., chronic obstructive pulmonary disease (COPD)
Known hypersensitivity to sulfur hexafluoride or to any component of perflutren lipid (Definity®)
Active cardiac disease including any of the following
Severe congestive heart failure (class IV in accordance with the classification of the New York Heart Association)
Unstable angina.
Severe arrhythmia (i.e., ventricular tachycardia, flutter fibrillation; ventricular premature complexes occurring close to the preceding T-wave, multifocal complexes).
Myocardial infarction within 14 days prior to the date of proposed Definity® administration.
