Health

Seeing Cancer in the Dark

Published

10 years ago

February 24, 2015

Biomedical engineering doctoral student Suman Mondal demonstrates the goggle prototype that uses infrared light to illuminate cancer cells (Wiley Price/St. Louis American)

by Sandra Jordan
Special to the NNPA from the St. Louis American

They started with a question about what they can be done with light without exposing the patient to radiation. The answer is, use infrared light. By taking advantage of in the visual spectrum of what humans can and cannot see, doctors at Washington University School of Medicine designed goggles that allow surgeons to see cancer cells not visible to the naked eye.

Samuel Achilefu, Ph.D., professor of Radiology, Biomedical Engineering and Biochemistry and Molecular Biophysics at WUSTL directs the Optical Radiology Lab, where the goggles were developed.

The entire body has billions of cells and if surgeons want to pick out just a few cells, they need them to stand out. The eyes cannot see infrared light and body does not absorb infrared light very well, Achilefu said.

“With that knowledge, we don’t want to obstruct what the surgeon is doing – you want them to see just what they are seeing with no obstruction at all and then we can make the cells just light in the region where they cannot see,” Achilefu explained. “And no part of the body gives off this light at all and the advance you have is this: even if it’s just a single cell, it’s like a light in the dark.”

They wanted the goggles to be lightweight, simple to use and provide powerful information to diagnose various diseases in the body.

“If we have glasses like this and we code signatures inside of it such that the cancers can pick up that light with eye sensitivity and ignoring every other thing around it, then we are in a very good position to find it,” Achilefu said.

For global applications goggles also need practical at the point of care, whether it is at home, in rural areas or advanced medical facilities.

“I wanted it to be something that has no footprint in the operating room so that people could move around easily,” he said. The results being no obstruction at all and they get all the cancer out.

The goggles took three years of work with students involving engineering, biochemistry, radiology-based imaging and wireless communication.

“I want to use this in rural Missouri, for example, or a remote area in Africa, and somebody here at Wash-U can guide surgery,” Achilefu said. “They can stay here and guide you with no limitation.”

With the goggles on, infrared dye placed on the cancerous tissue lights up blue if cancer cells remain, allowing surgeons to see and remove all traces of the disease.

“We’ve done about 11 breast cancer patients here at Wash-U,” Achilefu said. “What we want to solve here is recur rates. “Our goal here is to reduce that recur rate in breast cancer patients to near zero.”

Dr. Greg Fields has been using the goggles at Wash-U in melanoma surgeries.

“He can now use the goggles to see what he is looking at to make sure the cancer is not coming back,” Achilefu said. “So, we’ve done about 27 or 28 patients.”

The prototype from Wash-U is being used in China at the Fudan Liver Institute in Shanghai.

“We’ve done 11 patients in China with liver cancer,” Achilefu said. “Liver cancer is huge, a big problem in China.” Fudan is the largest liver institute in the world, he added.

The potential applications are vast.

“Anything that involves surgery should work,” he said.

A new, streamlined prototype goggle is currently under development. It will weigh less and have added features.

“So you will not be seeing a camera standing on the goggles anymore, instead … it will be within the arms,” Achilefu described.

The headband for the goggles will be flexible, to fit different head sizes.

Moreover, for surgeons who normally wear corrective eyewear, they may not be necessary because goggle 2.0 will take into account the wearer’s visual acuity.

“So you don’t have to worry if you wear glasses or you don’t wear glasses,” Achilefu said. “It knows blurriness, and it corrects for blurriness.”

One other important point about this invention to the greater St. Louis community is that patent-owner Achilefu wants to keep the work on this high-tech medical device here in St. Louis.

“I personally think we produce some of the best engineers here at Washington University and some of the best scientists you can imagine,” Achilefu said. “What if we had a high-tech company here, based in St. Louis as a footprint with which you can then [have a] platform to move to other parts of the world? There is something in me that says it should be here.”

Achilefu and his team are finalizing the prototypes and are seeking Food and Drug Administration approval so they can be widely disseminated.

“In fact, we have so many requests now from all over the world that we need to quickly move, get FDA approval for this so they can be used at clinical centers for brain surgery, for example.”

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The Best Advice for Raising Children: Discipline That Makes Sense

In his book Developing Positive Self Images and Discipline in Black Children, Dr. Jawanza Kunjufu suggests that primary aims for socializing Black children should be: establishing goals related to God and the church; familiarizing children with religious texts like the Bible or Quran; educating them of Black culture like Khemetic (Egyptian) Civilization; enlightening them about Black leaders like Malcolm X and Sojourner Truth; and teaching them to strive to be employers, not employees.

Published

16 hours ago

May 13, 2025

Oakland Post

Headshot of Dr. William A. Thomas. Photo courtesy of Dr. William A. Thomas.

By William A. Thomas, Ph.D.

In many African societies, the primary aim of socialization is to raise children to be socially responsible and eventually provide economic support to their parents and extended families. Ghanaian philosopher Kwame Gyekye taught that children are raised to be respectful of the wishes of their parents and extended adult family members.

In his book Developing Positive Self Images and Discipline in Black Children, Dr. Jawanza Kunjufu suggests that primary aims for socializing Black children should be: establishing goals related to God and the church; familiarizing children with religious texts like the Bible or Quran; educating them of Black culture like Khemetic (Egyptian) Civilization; enlightening them about Black leaders like Malcolm X and Sojourner Truth; and teaching them to strive to be employers, not employees.

Effective disciplinary strategies appropriate to a child’s age and development teach them to regulate their behavior; keep them from harm; enhance their cognitive, social, and emotional executive functioning skills; and reinforce the behavioral patterns taught by their parents and caregivers.

Below are some specific guidelines for disciplining children.

Listen to what children are talking about with interest and show them you understand their feelings. Remember, children mirror and learn about their emotional selves by hearing their feelings reflected back to them. Staying on target also means avoiding labels. When children fail to do what is expected, discussing it is helpful rather than saying how stubborn, lazy, dumb, or bad they are. By the same token, more positive labels can be helpful.

Dependability is another essential component of the discipline process. When parents are dependable, their children learn what to expect and are helped to feel secure. When parents are consistent, children learn to trust, that is, predict their parents’ behaviors with certainty. A child thinks, “When I spill something, I will always be asked to wipe it up.” A child thinks, “If I use foul language, I will always be corrected.” A child thinks, “If I take something that doesn’t belong to me, I will always have to give it back.” The ability to predict with certainty leads children to rely on their parents and the village/community in which they live. Children feel safe when they know what to expect.

Conclusions

It takes a village/community to raise the divine gift that is the Black child. Parents look to therapists for guidance concerning a variety of parenting issues, including discipline. Keep in mind that evidence suggests that corporal punishment is both ineffective in the long term and associated with cognitive and mental health disorders. When parents want guidance about the use of spanking, a child therapist can explore parental feelings, help them better define the goals of discipline, and offer specific behavior management strategies. In addition to providing appropriate education to families, the Bay Area Association of Black Psychologists (Bay ABPsi) can refer them to community resources, like parenting groups and classes.

About the Author

Dr. Thomas is a licensed clinical psychologist with a private practice in the SF/Oakland Bay Area and Beaumont. He is a member of Bay ABPsi, a healing resource committed to providing the Post Newspaper readership with monthly discussions about critical issues in Black Mental Health. Readers are welcome to join us at our monthly chapter meetings every 3^rd Saturday via Zoom and contact us at bayareaabpsi@gmail.com.

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Faces Around the Bay: Author Karen Lewis Took the ‘Detour to Straight Street’

“My life has been a roller-coaster with an unlimited ride wristband! I was raised in Berkeley during the time of Ron Dellums, the Black Panthers, and People’s Park. I was a Hippie kid, my Auntie cut off all our hair so we could wear the natural styles like her and Angela Davis.

Published

2 weeks ago

April 28, 2025

Oakland Post

Karen Lewis. Courtesy photo.

By Barbara Fluhrer

I met Karen Lewis on a park bench in Berkeley. She wrote her story on the spot.

I got married young, then ended up getting divorced, raising two boys into men. After my divorce, I had a stroke that left me blind and paralyzed. I was homeless, lost in a fog with blurred vision.

Jesus healed me! I now have two beautiful grandkids. At 61, this age and this stage, I am finally free indeed. Our Lord Jesus Christ saved my soul. I now know how to be still. I lay at his feet. I surrender and just rest. My life and every step on my path have already been ordered. So, I have learned in this life…it’s nice to be nice. No stressing, just blessings. Pray for the best and deal with the rest.

Nobody is perfect, so forgive quickly and love easily!”

Lewis’ book “Detour to Straight Street” is available on Amazon.

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AI Is Reshaping Black Healthcare: Promise, Peril, and the Push for Improved Results in California

Black Californians experience some of the worst health outcomes in the state due to systemic inequities, limited healthcare access, and exclusion from medical research. 16.7% of Black adults report fair or poor health, versus 11.5% of Whites. Black adults have the highest death rates from prostate, breast, colorectal, and lung cancer. Statewide, diabetes affects 13.6% of Black adults versus 9.1% of Whites, and 27% of Black adults over 65 have heart disease, compared to 22% of Whites. Life expectancy for Black Californians is about five years shorter than the state average.

Published

2 weeks ago

April 27, 2025

Oakland Post

(Left to right:) Dr. Akilah Weber Pierson. CBM file photo. Dr. Timnit Gebru is DAIR’s founder and executive director. Photo courtesy of Dr. Gebru. Judy Wawira Gichoya, MD, MS, is an associate professor in the Department of Radiology and Imaging Sciences at Emory University School of Medicine. Dr. Gichoya serves as co-director in leading the Healthcare AI Innovation and Translational Informatics (HITI) Lab. Trained as both an informatician and an interventional radiologist, Dr. Gichoya’s work is centered around using data science to study health equity. Photo provided by the Emory University Winship Cancer Institute.

Joe W. Bowers Jr.
California Black Media

Artificial intelligence (AI) is changing how Californians receive medical care – diagnosing diseases, predicting patient needs, streamlining treatments, and even generating medical notes for doctors.

While AI holds promise, it also poses risks, particularly for Black patients. It can provide faster diagnoses and expand access to care, but it may also misdiagnose conditions, delay treatment, or overlook patient’s critical needs. AI’s impact on Black patients depends on how biases in medical data and algorithms are addressed in its development.

“As we progress toward a society with increased use of AI technology, it is critical that the biases and stereotypes that Black Americans have faced are not perpetuated in our future innovations,” said Dr. Akilah Weber Pierson (D – San Diego), a physician and state senator spearheading legislative efforts to address AI bias in healthcare.

Why AI Matters for Black Californians

Benefits and Risks of AI in Healthcare

AI processes vast amounts of medical data using computer algorithms designed to identify patient health patterns, helping doctors to diagnose diseases, recommend treatment, and increase patient care efficiency. By analyzing scans, lab results, and patient history, AI can detect diseases

earlier, giving it the potential to improve care for Black patients, who face higher risks of prostate cancer, diabetes, heart disease and hypertension.

Dr. Judy Gichoya, an Interventional radiologist at the Emory University Winship Cancer Institute and AI researcher at Emory’s Healthcare AI Innovation and Translational Informatics (HITI) Lab, sees AI as a tool with great potential but cautions that its effectiveness depends on the diversity of the data it is trained on. She says, “Without diverse datasets, AI could overlook critical signs of diseases, especially in underrepresented populations like Black patients.”

Dr. Timnit Gebru, a computer scientist and AI ethics expert, is the founder and Executive Director of DAIR (Distributed AI Research Institute) in Oakland. She has extensively studied bias in AI systems and their impact on marginalized groups.

Gebru acknowledges that AI has the potential to improve healthcare by enhancing efficiency and expanding access to medical resources. But, like Gichoya she strongly stresses that for AI to be effective and equitable it needs to be subject to rigorous oversight.

AI is already helping doctors personalize cancer treatment by identifying biomarkers and genetic mutations. UCSF and Stanford Health use AI to analyze tumor DNA to match patients with the most effective chemotherapy or immunotherapy.

In diabetes care, AI predicts blood sugar fluctuations, helping doctors adjust treatment. It helps radiologists in early disease detection and identifies sepsis sooner, reducing hospital deaths. In cardiology, AI detects early signs of heart disease, spotting plaque buildup or abnormal heart rhythms before symptoms appear. It also helps predict strokes by analyzing brain scans to determine risk and guide intervention.

Kaiser Permanente uses AI scribes to reduce paperwork and improve patient interactions. Covered California has partnered with Google

Cloud to use AI to streamline document verification and eligibility decisions.

Despite these advancements, AI systems trained on biased medical data can perpetuate inequities for Black patients.

Gebru explains, “If AI learns from historically discriminatory medical decisions—such as undertreating Black patients—it will scale those biases.”

A notable example is in dermatology, where AI frequently misdiagnoses conditions in Black patients because most training datasets are based on lighter-skinned individuals. “Melanoma looks very different on darker skin,” Gebru notes. “It’s not just darker—it often appears differently, like under toenails, a pattern AI trained mostly on lighter skin won’t detect.”

Another risk of AI in healthcare is automation bias, where healthcare providers over-rely on AI, even when it contradicts medical expertise. “Doctors who would have prescribed medications accurately without AI sometimes make mistakes while using automated tools because they over-trust these systems,” Gebru adds.

AI-driven health insurance claim denials are a growing concern. UnitedHealthcare faces a class-action lawsuit for allegedly using an unregulated AI algorithm to deny rehabilitation coverage to elderly and disabled patients.

Beyond bias, AI also poses an environmental threat. AI systems require enormous amounts of energy for computing and massive amounts of water to cool data centers, which exacerbates climate change, an issue that already disproportionately impacts Black communities.

Trump Administration and DEI Impact

The Trump administration’s efforts to dismantle Diversity, Equity, and Inclusion (DEI) threatens funding for AI bias research in healthcare.

Less federal support could stall progress in making AI systems fairer and more accurate, increasing discrimination risks for Black patients.

California’s Legislative and Regulatory Response

Recognizing AI’s risks in healthcare, California lawmakers and state officials are implementing regulations. Weber Pierson introduced Senate Bill (SB) 503 to ensure that AI algorithms used in healthcare are tested for racial bias before implementation.

“We’ve already seen how biased medical devices like pulse oximeters can fail Black patients,” Weber Pierson explains. “If algorithms used in patient care aren’t inclusive, they’re not going to accurately serve melanated individuals.”

At a press conference introducing SB 503, Weber Pierson stressed that AI must be held accountable. “This bill focuses on ensuring that software used as an accessory to healthcare staff delivers sound, nondiscriminatory decisions that promote equitable outcomes.”

Other legislative efforts include Senate Bill (SB) 1120, by Sen. Josh Becker (D-Menlo Park), which stops insurance companies from using AI alone to deny or delay care and Assembly Bill (AB) 3030, by Assemblymember Lisa Calderon (D-Whittier), which requires healthcare providers to inform patients when AI is used in their care.

Attorney General Rob Bonta has issued a legal advisory barring AI from unfairly denying healthcare claims, falsifying records, or restricting access to care based on medical history. Gov. Gavin Newsom’s 2023 executive order directs state agencies to assess AI’s impact and establish consumer protections, particularly in healthcare.

Actions Black Patients and Families Can Take

As AI becomes more common in healthcare, Black Californians can ensure fair treatment by asking if AI is used, seeking second opinions, and supporting groups addressing algorithmic bias.

They can:

Ask their healthcare providers whether AI played a role in their diagnosis or treatment.
Request second opinions if an AI-generated diagnosis seems questionable.
Advocate for AI policies and legislation promoting fairness and accountability. · Engage with community health organizations like the California Black Health Network (CBHN) that is engaged in ensuring AI is developed in ways to improve health outcomes for Black patients.

Rhonda Smith, CBHN’s executive director, says bias in medical algorithms must be eliminated. “There should never be any race-based adjustment in delivering patient care,” she said.

CBHN supports inclusive research and legislation like SB 503 to ensure AI promotes equity.

Ensuring AI Benefits All Communities

As a legislator, Weber Pierson is pushing for stronger safeguards to ensure AI serves all patients equitably. She says, “Innovation and technology are good, but new challenges arise if we don’t move in a direction inclusive and thoughtful of all people who utilize the healthcare space.”

AI has the potential to revolutionize healthcare, but experts warn it must be developed and regulated with transparency, accountability, and fairness – ensuring it reduces rather than worsens, racial health disparities.