Clean Sweep Live Auction on Wed. May 1st. Click to view the full inventory

DOTmed Home MRI Oncology Ultrasound Molecular Imaging X-Ray Cardiology Health IT Business Affairs
News Home Parts & Service Operating Room CT Women's Health Proton Therapy Endoscopy HTMs Pediatrics
Current Location:
> This Story

Log in or Register to rate this News Story
Forward Printable StoryPrint Comment




More Magazine Features

Medical community finds ways to make TAVR safer for at-risk patients Improving outcomes with special procedures

What’s new in C-arms and tables? Smaller footprint and dose reduction are defining a new generation of equipment

Getting to the heart of cardiac ultrasound technology From premium systems to point of care, an expanding market

Soothing pediatric imaging fears: Experts discuss options Pediatric imaging should be fun and games

The humble hospital bed joins the ranks of smart medical devices Patient monitoring and deep learning enhance the last offerings

See All Magazine Features  

CT Homepage

First ultra high-res CT scan performed on US patient Scanner at UC Davis can image anatomy as small as 150 microns

Trice Imaging connects imaging devices of large chain healthcare provider Aleris Patients and physicians can view images on laptops, cell phones

Industrial hi-res X-ray yields greater insight into child abuse case Identified microscopic injuries that would not have been detected with standard CT

Reducing extravasations in CT contrast-enhanced IV injections Tips and best practices for administering better care

Researchers orchestrate malware attack to expose imaging vulnerabilities Deceived radiologists and AI algorithms into misdiagnoses

House bill would require Medicare to cover CT colonography Supporters say it would improve screening compliance and outcomes

New approach identifies lung cancer patients most likely to respond to chemotherapy Combines radiomics and CT image assessment

BSWH to install Glassbeam's CLEAN blueprint to leverage machine uptime Will include integrated CMMS software by EQ2

Machine learning reduces false positives for lung cancer in low-dose CT False positives occur at rate of 96 percent

Siemens to unveil its SOMATOM go.Top Cardiovascular Edition CT at ACC 19 Ideal for the cardiovascular outpatient setting

From the frontlines to the frontier: CT trends and innovations

by Lauren Dubinsky , Senior Reporter
From the November 2018 issue of DOTmed HealthCare Business News magazine

He and his research team at Caltech have developed a laser-sonic scanner that utilizes photoacoustic CT (PACT) to locate breast cancer tumors in as little as 15 seconds without the need for radiation dose exposure.

PACT uses two forms of energy – light and sound. A light pulse that is fired into the tissue is converted to sound inside the tissue and the clinician listens to the sound outside of the tissue.
Story Continues Below Advertisement

RaySafe helps you avoid unnecessary radiation

RaySafe solutions are designed to minimize the need for user interaction, bringing unprecedented simplicity & usability to the X-ray room. We're committed to establishing a radiation safety culture wherever technicians & medical staff encounter radiation.

“We are combining the advantages of both light and sound for imaging,” said Wang. “Both are entirely safe to humans, unlike X-ray, which can cause DNA damage.”

In addition, PACT shows molecular information, which is something X-ray-based CT cannot do.

Lihong Wang
A prototype is currently under development by a Pasadena-based company called CalPACT. For an idea of what this system will ultimately look like, Wang described a bed with a hole in the middle.

The patient will lie face down on the table with one breast at a time placed in a recess that contains 512 tiny ultrasonic sensors. A near-infrared laser light pulse will be shot from underneath the breast, diffuse through the tissue and be absorbed by oxygen-carrying hemoglobin molecules into the patient’s red blood cells.

Wang and his team tested the technology in a pilot study and it identified eight of the nine tumors that were present in the breasts of the eight study participants.

When asked if he thinks PACT could eventually replace mammography as the standard screening modality for breast cancer, he said that he “certainly hopes so.” Although he acknowledges that mammography is relatively fast, effective and affordable, he points to the use of ionizing radiation, a high false positive rate, and difficulty imaging young women as areas where new technology may someday offer advantages.

“My hope is that we can do far better than that,” said Wang. “Even though the initial investment will be higher because our system will be more expensive than a standard mammography system, the benefit will be far greater.”

For now, PACT is being investigated strictly for detecting breast cancer, but Wang and his team are looking at diabetic foot, neonatal brain imaging, whole-body neonatal imaging, standard extremity imaging and even adult human brain imaging as other potential applications for the imaging technology.
<< Pages: 1 - 2 - 3 - 4 - 5 - 6 >>

CT Homepage

You Must Be Logged In To Post A Comment

Increase Your
Brand Awareness
Auctions + Private Sales
Get The
Best Price
Buy Equipment/Parts
Find The
Lowest Price
Daily News
Read The
Latest News
Browse All
DOTmed Users
Ethics on DOTmed
View Our
Ethics Program
Gold Parts Vendor Program
Receive PH
Gold Service Dealer Program
Receive RFP/PS
Healthcare Providers
See all
HCP Tools
A Job
Parts Hunter +EasyPay
Get Parts
Recently Certified
View Recently
Certified Users
Recently Rated
View Recently
Certified Users
Rental Central
Rent Equipment
For Less
Sell Equipment/Parts
Get The
Most Money
Service Technicians Forum
Find Help
And Advice
Simple RFP
Get Equipment
Virtual Trade Show
Find Service
For Equipment
Access and use of this site is subject to the terms and conditions of our LEGAL NOTICE & PRIVACY NOTICE
Property of and Proprietary to DOTmed.com, Inc. Copyright ©2001-2019 DOTmed.com, Inc.