Applying deep learning to quantify empty lacunae in histologic sections of osteonecrosis of the femoral head

Osteonecrosis of the femoral head (ONFH) is a disease in which inadequate blood supply to the subchondral bone causes the death of cells in the bone marrow. Decalcified histology and assessment of the percentage of empty lacunae are used to quantify the severity of ONFH. However, the current clinica...

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Bibliographic Details
Published in:Journal of orthopaedic research 2022-08, Vol.40 (8), p.1801-1809
Main Authors: Lui, Elaine, Maruyama, Masahiro, Guzman, Roberto A., Moeinzadeh, Seyedsina, Pan, Chi‐Chun, Pius, Alexa K., Quig, Madison S. V., Wong, Laurel E., Goodman, Stuart B., Yang, Yunzhi P.
Format: Article
Language:English
Subjects:
Animals
Artificial Intelligence
Deep Learning
Disease Models, Animal
Femur Head - pathology
Femur Head Necrosis - pathology
histology
Humans
imaging
neural network
osteonecrosis
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Summary:Osteonecrosis of the femoral head (ONFH) is a disease in which inadequate blood supply to the subchondral bone causes the death of cells in the bone marrow. Decalcified histology and assessment of the percentage of empty lacunae are used to quantify the severity of ONFH. However, the current clinical practice of manually counting cells is a tedious and inefficient process. We utilized the power of artificial intelligence by training an established deep convolutional neural network framework, Faster‐RCNN, to automatically classify and quantify osteocytes (healthy and pyknotic) and empty lacunae in 135 histology images. The adjusted correlation coefficient between the trained cell classifier and the ground truth was R = 0.98. The methods detailed in this study significantly reduced the manual effort of cell counting in ONFH histological samples and can be translated to other fields of image quantification.
ISSN:0736-0266
1554-527X
DOI:10.1002/jor.25201