Breast Cancer Risk From Sonographic Glandular Tissue Component (or International GTC Study)
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexFemale
Age40-69
SponsorSeoul National University Hospital
An international multicenter study to prospectively validate the association between sonographic GTC and subsequent breast cancer risk in women with dense breasts.
be ≥ 40 and <70 years old at time of US
No history of previous breast cancer including DCIS
have dense breasts (BI-RADS category C and D on mammography performed within 12 months of breast US) and negative/benign BI-RADS assessment categories on mammography (BI-RADS 1, 2)
undergoing screening breast US using either automated or handheld device
history of bilateral prophylactic mastectomy
history of bilateral foreign body injection
history of bilateral breast implants
history of bilateral breast reduction surgery or surgical excision