RDMS-BR Exam Information and Outline
Registered Diagnostic Medical Sonographer - Breast (BR)
Syllabus Update Checked on: November 11, 2026
RDMS-BR Exam Syllabus & Study Guide
Before you start practicing with our exam simulator, it is essential to understand the
official RDMS-BR exam objectives. This course outline serves as your roadmap.
The information below reflects the 2026 syllabus defined by
APCA.
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
- Exam Format
- Approx. 170 multiple-choice and hotspot questions; 3 hours
- RDMS credential also requires passing the SPI examination
- Anatomy and Physiology
- Normal breast anatomy, lymphatic drainage and axilla
- Physiologic changes: puberty, pregnancy, lactation, menopause, hormones
- Normal sonographic appearance and variants
- Pathology
- Benign lesions: cysts, fibroadenomas, fibrocystic changes, papillomas
- Malignant lesions: invasive ductal and lobular carcinoma, DCIS, inflammatory carcinoma
- Infection and abscess; male breast pathology (gynecomastia)
- Implants: normal appearance and rupture
- Lymph node evaluation
- Integration of Data
- Correlation with mammography and MRI
- BI-RADS ultrasound lexicon and assessment categories
- Documentation and reporting of findings
- Interventional Procedures
- Ultrasound-guided core biopsy, FNA, cyst aspiration and localization
- Scanning Technique and Protocols
- Patient positioning, transducer selection and labelling
- Elastography and Doppler in breast imaging
- Physics, Instrumentation and Quality Assurance