Ultrasound imaging has become an important tool in addition to mammography in the combat against breast cancer,
which took the lives of 40,000 women and added 254,000 new cases in 2009 in the US alone(1).
The relocation of ultrasound detected breast lesions is essential for the patient's diagnosis and treatment,
however it is a difficult operator dependent task for the small,
potentially curable malignant tumors.
Fewer than half of the lesions 5 mm or smaller were identified when scanned by...
Methods and Materials
Institutional review board approval from the University of Cluj/Romania Medical Center was obtained and all participants signed written consent before data collection.
An ultrasound machine with a 12 MHz linear transducer interfaced with the FHUMS (Metritrack LLC,
USA) were used.
Two FHBUS specialists scanned 9 patients,
each with at least 1 known benign or probably benign mass,
ranging from 4 to 12 mm and recorded the clock face position (CFP) and distance to nipple (DN),...
BR significantly affected DN reading (P=0.003) with a significant interaction between BR and Method (P=0.002).
Significant BR effect was found only for FHBUS (P<0.0001),
but not for FHUMS (P=0.399).
As seen in Figure 3,
the average displacement of targets in the breastdue to BR measured with the FHUMS was2.2±6.5,
and 2.4±5.5 mm for Operators 1 and 2 and each at 20 and 40 degrees of BR,
This target displacement was not significant when compared with zeros...
The BR effect on the small targets displacement in the breast is relatively small,
less than 1 cm for DN.
when measured with FHBUS,
however it appears larger with manual annotations,
DN up to 2 cm,
presumably due to the operator induced annotation error,
in addition to the real displacement relative to the nipple.
the reproducibility of targets annotations with FHUMS is superior to the use of manual annotations for intra- and inter-operator use,
which allows for accurate...
American Cancer Society.
Breast Cancer Facts & Figures 2009-2010.
Atlanta: American Cancer Society,
PhD et al.,
Operator Dependence of Physician-performed Whole-Breast US: Lesion Detection and Characterization,
Radiology: Volume 241: Number 2—November 2006 3.
Calin Caluser et al.,
A new automated three dimensional (3D) mapping and labeling system for routine free hand...
Calin Caluser MD P.