Top papers on Medical AI 2019-06-09

20190607- Deep Learning–Assisted Diagnosis of Cerebral Aneurysms Using the HeadXNet Model (paper)

問題 臨床醫(yī)生通過計(jì)算機(jī)斷層血管造影檢查識(shí)別顱內(nèi)動(dòng)脈瘤凌箕,在得到深度學(xué)習(xí)分割模型的助力后至朗,會(huì)表現(xiàn)如何苇瓣?
結(jié)果 在這項(xiàng)顱內(nèi)動(dòng)脈瘤的診斷研究中捷沸,8名臨床醫(yī)生在使用和不使用模型增強(qiáng)的情況下,分別以隨機(jī)順序?qū)?15項(xiàng)檢查進(jìn)行一次審查厂财。當(dāng)使用神經(jīng)網(wǎng)絡(luò)模型生成的分割圖像時(shí)芋簿,臨床醫(yī)生的敏感性、準(zhǔn)確性和一致性均顯著提高蟀苛。

20190520-End-to-end lung cancer screening with three-dimensional deep learning on low-dose chest computed tomography (paper)

We propose a deep learning algorithm that uses a patient’s current and prior computed tomography volumes to predict the risk of lung cancer. Our model achieves a state-of-the-art performance (94.4% area under the curve) on 6,716 National Lung Cancer Screening Trial cases, and performs similarly on an independent clinical validation set of 1,139?cases. We conducted two reader studies. When prior computed tomography imaging was not available, our model outperformed all six radiologists with absolute reductions of 11% in false positives and 5% in false negatives. Where prior computed tomography imaging was available, the model performance was on-par with the same radiologists. This creates an opportunity to optimize the screening process via computer assistance and automation. While the vast majority of patients remain unscreened, we show the potential for deep learning models to increase the accuracy, consistency and adoption of lung cancer screening worldwide.

20190227-Real-time automatic detection system increases colonoscopic polyp and adenoma detection rates: a prospective randomised controlled study
(paper) (blog)

Objective The effect of colonoscopy on colorectal cancer mortality is limited by several factors, among them a certain miss rate, leading to limited adenoma detection rates (ADRs). We investigated the effect of an automatic polyp detection system based on deep learning on polyp detection rate and ADR.
Design In an open, non-blinded trial, consecutive patients were prospectively randomised to undergo diagnostic colonoscopy with or without assistance of a real-time automatic polyp detection system providing a simultaneous visual notice and sound alarm on polyp detection. The primary outcome was ADR.
Results Of 1058 patients included, 536 were randomised to standard colonoscopy, and 522 were randomised to colonoscopy with computer-aided diagnosis. The artificial intelligence (AI) system significantly increased ADR (29.1%vs20.3%, p<0.001) and the mean number of adenomas per patient (0.53vs0.31, p<0.001). This was due to a higher number of diminutive adenomas found (185vs102; p<0.001), while there was no statistical difference in larger adenomas (77vs58, p=0.075). In addition, the number of hyperplastic polyps was also significantly increased (114vs52, p<0.001).
Conclusions In a low prevalent ADR population, an automatic polyp detection system during colonoscopy resulted in a significant increase in the number of diminutive adenomas detected, as well as an increase in the rate of hyperplastic polyps. The cost–benefit ratio of such effects has to be determined further.

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