Icon Oncology and Limbus AI Partner to Launch Radiation AI Software in South Africa

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A leader in value-based care (VBC), Icon Oncology today announced a partnership with Limbus AI??. The agreement will bring state-of-the-art artificial intelligence (AI) powered software to Southern Africa, designed for use in radiation oncology.

“We are proud to announce the implementation of Limbus Contour™ software in our nationwide network of radiation oncology facilities. Icon Oncology has always been at the forefront of using next generation technology and software. We believe Limbus AI™ supports our strategy of using technology to deliver the best possible outcomes for our patients,” says Dr. Ernst Marais, COO of Icon Oncology.

Head and neck organs at risk (OAR)


“At Limbus AI, our goal is to design tools that work. Using our own clinical experience as a guide, we designed Limbus Contour to save time and improve quality by allowing clinicians to focus on patient care. We believe our partnership with Icon Oncology will help build much needed capacity in the Southern Africa region to meet the growing demand for access to cancer care,” says Dr. Giambattista, Founder and Medical Director of Limbus AI .

The software is designed to reduce the planning time needed before a patient can begin radiation therapy, says Ivan Oelofse, national medical physics lead for Icon Oncology.

Radiation therapy for cancer begins with a CT scan during which radiation therapists position the patient in the precise position that will be used to treat their cancer. The scan creates 200 to 300 cross-sectional images of the organ containing the tumor.

Pelvic Organs at Risk (OAR)

Pelvic Organs at Risk (OAR)


“The planning process involves complex calculations, and we create a treatment plan based on a process called contour mapping – extremely precise drawing and mapping of organs at risk (OAR) when high doses of radiation are given to a patient. tumor. This ensures that we can avoid damaging healthy tissue and only target the treatment area,” says Oelofse.

Organs of the thorax at risk (OAR)

Organs of the thorax at risk (OAR)

What sets Limbus Contour apart from other contour mapping software is that it uses this information along with templates based on a large database of patient scans to automatically draw critical organs and structures. It also uses deep learning-based auto-segmentation, which significantly reduces workload pressures in radiation therapy planning.

“In cancer care, timing is key and the software will help our radiation therapy teams improve and streamline the contouring process. This reduces the time it takes to bring our patients to the planning department and creates greater consistency in drawing and mapping organs at risk. said Oelofse.

Icon Oncology conducted a vigorous trial in 2021 to identify a software partner for its 27 radiation therapy units in the country. “Our evidence shows that the Limbus AI™ solution will provide the necessary accuracy and time savings that will enable greater capacity in our units,” says Oelofse who managed the Icon Oncology trial.

Our decision is also backed by independent testing which shows that Limbus can speed up the contour mapping process by up to 80-90% with an accuracy equal to manual mapping, previously the one and only best practice.

“We are leading the way in tackling the growing burden of cancer in Southern Africa by ensuring the highest quality, cost-effective cancer care for the greatest number of patients. To that end, we will continue to innovate and partner with companies, like Limbus AI™, that will help us realize this vision,” says Marais.

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