[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-ai-tool-estimates-fetal-brain-ventricle-volume-from-ultrasound":10,"sections":34},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":24,"tags":25,"sources":29,"feedback":33,"feedback_at":22,"cost_usd":33,"total_tokens":33},5324,"ai-tool-estimates-fetal-brain-ventricle-volume-from-ultrasound","AI Tool Estimates Fetal Brain Ventricle Volume From Ultrasound","A new AI model uses routine ultrasound video to estimate MRI-grade fetal brain ventricle volume, aiming to make screening cheaper and more accessible.","Researchers have built an AI system that estimates fetal brain ventricle volume from a routine ultrasound video, without needing an MRI scan.\n\nThe system, called VIFBA, is trained on 857 paired ultrasound-and-MRI cases (3,196 videos total). During training, it learns to align structural detail from MRI scans with patterns in ultrasound video; at actual use, it only needs the ultrasound. On held-out test data, the model predicted ventricular volume with a mean error of 0.59 mL and correlated with true MRI measurements at 0.99, while classifying ventriculomegaly severity with 94 percent accuracy. A separate module, built on a vision-language model, flags other potential brain abnormalities beyond ventricle enlargement, reaching an F1 score of 0.78.\n\nVentriculomegaly, the enlargement of brain ventricles, is currently screened by manually measuring width on a 2D ultrasound plane, a method that varies by who's holding the probe. MRI gives a cleaner volumetric read but costs more and isn't available everywhere pregnant patients get care. A tool that gets MRI-level detail out of the ultrasound machines clinics already have could extend better screening to lower-resource settings, not just wealthier hospitals with MRI on-site.\n\nThe usual caveat applies: this is a single-institution research result validated on one dataset, not a clinical tool yet, and getting from a strong arXiv paper to something a sonographer trusts in the room takes years, not months.","[\"ai\",\"medical-imaging\",\"prenatal-health\",\"healthcare\"]","2026-08-18T04:00:00.000Z","2026-08-18T15:07:28.782Z","2026-08-18T15:07:40.546Z","published",null,[],"ai",[24,26,27,28],"medical-imaging","prenatal-health","healthcare",[30],{"name":31,"url":32},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2608.14763",0,{"sections":35},[36,40,44,49,54,59,64,69,74,78,83,88,93,98],{"name":37,"slug":24,"count":38,"latest_published_at":39},"AI",3293,"2026-08-20T04:00:00.000Z",{"name":41,"slug":42,"count":43,"latest_published_at":39},"Security","security",435,{"name":45,"slug":46,"count":47,"latest_published_at":48},"Policy","policy",210,"2026-08-19T09:32:27.000Z",{"name":50,"slug":51,"count":52,"latest_published_at":53},"Deals","deals",179,"2026-06-29T20:02:07.000Z",{"name":55,"slug":56,"count":57,"latest_published_at":58},"Hardware","hardware",140,"2026-08-19T18:25:42.000Z",{"name":60,"slug":61,"count":62,"latest_published_at":63},"Consumer Tech","consumer-tech",95,"2026-08-18T16:05:00.000Z",{"name":65,"slug":66,"count":67,"latest_published_at":68},"Science","science",90,"2026-08-19T18:41:02.000Z",{"name":70,"slug":71,"count":72,"latest_published_at":73},"Software","software",73,"2026-08-18T07:51:50.000Z",{"name":75,"slug":76,"count":77,"latest_published_at":18},"Dev Tools","dev-tools",69,{"name":79,"slug":80,"count":81,"latest_published_at":82},"Startups","startups",47,"2026-08-19T19:13:46.000Z",{"name":84,"slug":85,"count":86,"latest_published_at":87},"Gaming","gaming",41,"2026-07-09T04:00:00.000Z",{"name":89,"slug":90,"count":91,"latest_published_at":92},"General","general",33,"2026-08-18T22:18:13.000Z",{"name":94,"slug":95,"count":96,"latest_published_at":97},"Reviews","reviews",20,"2026-06-24T12:00:01.000Z",{"name":99,"slug":100,"count":101,"latest_published_at":102},"How-To","how-to",6,"2026-06-16T09:00:00.000Z"]