Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions.

Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Research Abstract Details 

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Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Abstract Text:

Sumedha P Sinha,Mitchell M Goodsitt,Marilyn A Roubidoux,Rebecca C Booi,Gerald L LeCarpentier,Christine R Lashbrook,Kai E Thomenius,Carl L Chalek,Paul L Carson,

OBJECTIVE: We are developing an automated ultrasound imaging-mammography system wherein a digital mammography unit has been augmented with a motorized ultrasound transducer carriage above a special compression paddle. Challenges of this system are acquiring complete coverage of the breast and minimizing motion. We assessed these problems and investigated methods to increase coverage and stabilize the compressed breast. METHODS: Visual tracings of the breast-to-paddle contact area and breast periphery were made for 10 patients to estimate coverage area. Various motion artifacts were evaluated in 6 patients. Nine materials were tested for coupling the paddle to the breast. Fourteen substances were tested for coupling the transducer to the paddle in lateral-to-medial and medial-to-lateral views and filling the gap between the peripheral breast and paddle. In-house image registration software was used to register adjacent ultrasound sweeps. RESULTS: The average breast contact area was 56%. The average percentage of the peripheral air gap filled with ultrasound gel was 61%. Shallow patient breathing proved equivalent to breath holding, whereas speech and sudden breathing caused unacceptable artifacts. An adhesive spray that preserves image quality was found to be best for coupling the breast to the paddle and minimizing motion. A highly viscous ultrasound gel proved most effective for coupling the transducer to the paddle for lateral-to-medial and medial-to-lateral views and for edge fill-in. CONCLUSIONS: The challenges of automated ultrasound scanning in a multimodality breast imaging system have been addressed by developing methods to fill in peripheral gaps, minimize patient motion, and register and reconstruct multisweep ultrasound image volumes.

Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Publishing Authors By Initials

SP Sinha,MM Goodsitt,MA Roubidoux,RC Booi,GL LeCarpentier,CR Lashbrook,KE Thomenius,CL Chalek,PL Carson,

For similar diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography: ultrasonography, mammary research abstracts see: diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography: ultrasonography, mammary research

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Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of ultrasound in medicine : official journ

VOLUME: 26

Page Numbers: 645-55

Journal Abbreviation:

ISSN: 0278-4297

DAY: 3

MONTH: May

YEAR: 2007

Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Information

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LANGUAGE: eng

NlmUniqueID: 8211547

Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions. Keywords Mesh Terms:

KEYWORDS: Ultrasonography, Mammary

MESH TERMS: methods

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Grant and Affiliation Information for Automated ultrasound scanning on a dual-modality breast imaging system: coverage and motion issues and solutions.

AFFILIATION: Department of Radiology, Basic Radiological Sciences, University of Michigan, 200 Zina Pitcher Pl, Room 3315, Ann Arbor, MI 48109-0553, USA. sumedha@umich.edu

Country: United States

AGENCY: United States NCI

GRANT: R01 CA91713

ACRONYM: CA

MEDLINETA: J Ultrasound Med

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