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Development of a Portable Device to Quantify Hepatic Steatosis in Donated Livers Using an AI Algorithm

S. Klinkachorn1, C. J. Tsoi-A-Sue2, R. R. Narayan2, M. L. Melcher2

1Computer Science, Stanford, Stanford, CA, 2Surgery, Stanford, Stanford, CA

Meeting: 2022 American Transplant Congress

Abstract number: 322

Keywords: Allocation, Liver grafts, Liver transplantation

Topic: Clinical Science » Liver » 62 - Liver: Large Data and Artificial Intelligence

Session Information

Session Name: MELD Allocation and Large Data

Session Type: Rapid Fire Oral Abstract

Date: Monday, June 6, 2022

Session Time: 5:30pm-7:00pm

 Presentation Time: 6:40pm-6:50pm

Location: Hynes Room 313

*Purpose: An accurate estimation of liver fat content is necessary to predict how a donor liver will function after transplantation. This can be challenging at the many hospitals that lack liver pathology expertise. Therefore, we developed a low-cost, mobile artificial intelligence (AI) platform to evaluate liver fat content on donor liver biopsy slides in real-time.

*Methods: We loaded our previously described AI algorithm that labels and quantifies fat globules onto a microcomputer with a GPU. The computer was embedded into a 3D printed case and connected to a 12MP camera and display. The device is capable of acquiring an image of a liver biopsy through a microscope, labeling the fat globules, and outputting the percent steatosis. Three images were taken of each slide (Figure 1a).

*Results: The assessment of steatosis on 33 slides by the device was compared to the whole slide assessment using the same algorithm on a cloud-based platform previously described by our group. There was strong positive correlation (r=0.871) between the two techniques (Figure 1b).

*Conclusions: Conclusion: This all-in-one, point-of-care device could be used on donor procurements to obtain an objective assessment of liver fat content even when a trained pathologist is not available. The correlation between the cloud and device-determined assessment of steatosis is very good and might be improved by increasing the number of images taken and assessed by the device. Hopefully, such a device could streamline appropriate matching of donors and recipients.

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To cite this abstract in AMA style:

Klinkachorn S, Tsoi-A-Sue CJ, Narayan RR, Melcher ML. Development of a Portable Device to Quantify Hepatic Steatosis in Donated Livers Using an AI Algorithm [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/development-of-a-portable-device-to-quantify-hepatic-steatosis-in-donated-livers-using-an-ai-algorithm/. Accessed May 30, 2025.

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