News Summary
Arjun Karnwal, a 20-year-old biomedical engineering student at USC, has created ‘ShotCaller,’ an app that transforms radiation treatment planning at Children’s Hospital Los Angeles. This application reduces planning time from hours to minutes, enhancing precision and ensuring timely treatment for cancer patients. Karnwal’s innovative solution aims to improve healthcare efficiency, and its adoption by hospitals indicates a significant advancement in cancer care.
Los Angeles – Arjun Karnwal, a 20-year-old biomedical engineering major at the University of Southern California (USC), has developed a groundbreaking software application that is significantly improving cancer treatment methods at Children’s Hospital Los Angeles (CHLA). Known as “ShotCaller,” this innovative app optimizes radiation treatment planning, reducing the time it takes to calculate radiation dosage placement from three to four hours to under half an hour.
Karnwal, a junior at USC’s Alfred E. Mann Institute for Biomedical Engineering within the Viterbi School of Engineering, has been driven by a passion for innovation and improvement. He emphasizes his desire to enhance existing processes, even if it is by just one percent. In his earlier years, he developed websites to assist teachers while attending La Canada High School. This background in technology and problem-solving has laid the foundation for his current work at CHLA.
In collaboration with radiation oncologists at CHLA, Karnwal’s app is designed specifically for a new radiation technique known as spatially-fractionated radiation, which effectively targets large tumors. The app employs an algorithm that has been recognized for its efficiency, with Dr. Kenneth Wong, a radiation oncologist at CHLA, stating that ShotCaller surpasses previous human attempts in accuracy.
The impact of this application is profound. By enhancing the precision of radiation dosage placement, ShotCaller not only speeds up the treatment planning process but also significantly reduces treatment delays. This timely intervention is critical for effective cancer care, ensuring that patients receive the necessary therapies when they need them most.
Given the promising results, hospitals and treatment centers are increasingly interested in adopting Karnwal’s work, pointing to its potential for wider application in the medical community. This recognition is a source of motivation for Karnwal, who feels that the sacrifices he has made in pursuit of this project, including late nights and early mornings, are validated by the positive impact on patient care.
Karnwal’s journey reflects a broader trend in biomedical engineering, where young innovators are leveraging technology to address complex healthcare challenges. By developing solutions that streamline and enhance patient care, individuals like Karnwal are playing a pivotal role in the advancement of cancer treatment methods.
As the medical community continues to explore the integration of innovative technologies into treatment protocols, the contributions of young talents like Karnwal are critical for achieving improved health outcomes. With his application now operational at CHLA, the potential for ShotCaller to revolutionize cancer treatment methodologies remains substantial, marking a significant step forward in the fight against cancer.
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Additional Resources
- ABC7 News
- Wikipedia: Cancer Treatment
- Los Angeles Times
- Google Search: Cancer Research Advancements
- Hollywood Reporter
- Google Scholar: Biomedical Engineering Innovations
- Los Angeles Business Journal
- Encyclopedia Britannica: Cancer Treatment Technology
- Hollywood Reporter – Doctor Ratings
- Google News: Cancer Treatment Technology

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