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Sci Rep ; 12(1): 6965, 2022 04 28.
Article in English | MEDLINE | ID: mdl-35484289

ABSTRACT

Deep myxoid soft tissue lesions have posed a diagnostic challenge for pathologists due to significant histological overlap and regional heterogeneity, especially when dealing with small biopsies which have profoundly low accuracy. However, accurate diagnosis is important owing to difference in biological behaviors and response to adjuvant therapy, that will guide the extent of surgery and the need for neo-adjuvant therapy. Herein, we trained two convolutional neural network models based on a total of 149,130 images representing diagnoses of extra skeletal myxoid chondrosarcoma, intramuscular myxoma, low-grade fibromyxoid sarcoma, myxofibrosarcoma and myxoid liposarcoma. Both AI models outperformed all the pathologists, with a significant improvement of accuracy up to 97% compared to average pathologists of 69.7% (p < 0.00001), corresponding to 90% reduction in error rate. The area under curve of the best AI model was on average 0.9976. It could assist pathologists in clinical practice for accurate diagnosis of deep soft tissue myxoid lesions, and guide clinicians for precise and optimal treatment for patients.


Subject(s)
Bone Neoplasms , Fibrosarcoma , Liposarcoma, Myxoid , Soft Tissue Neoplasms , Adult , Artificial Intelligence , Fibrosarcoma/pathology , Humans , Liposarcoma, Myxoid/diagnostic imaging , Liposarcoma, Myxoid/pathology , Soft Tissue Neoplasms/diagnostic imaging , Soft Tissue Neoplasms/surgery
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