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Insights & Research

Technical deep dives, clinical AI research updates, and insights from the Salnus team.

6 min read
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How AI Planning Improves Implant Sizing

How vendor-neutral CT-based AI planning supports correct implant sizing and selection, and why OEMs increasingly let the plan drive the implant under a manufacturer-pays model.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
3 min read
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Which Companies Offer AI Knee Planning Software?

A practical guide to which companies offer AI-based knee arthroplasty planning, split into OEM-tied robotic planners, cleared measurement tools, and vendor-neutral software, and what to ask before choosing.

Total Knee ArthroplastySurgical PlanningArtificial IntelligenceVendor NeutralManufacturerMedtechOrthopedic Surgery
6 min read
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White-Label AI Knee Planning for Makers

White label AI knee planning software OEM guide: how an implant maker offers CT-based digital knee planning under its own brand, IP and field-of-use defined.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
4 min read
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Automating CPAK Knee Phenotyping

The CPAK classification sorts knees into nine coronal phenotypes from two angles. How AI automates it from imaging, why classification is harder than the angles suggest, and what a reliable automated CPAK needs.

CPAKCoronal AlignmentTotal Knee ArthroplastyKinematic AlignmentArtificial IntelligenceSurgical PlanningOrthopedic Surgery
3 min read
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Implant-Agnostic Surgical Planning

What implant-agnostic, vendor-neutral pre-op planning means, why it matters for surgeons and implant manufacturers, and how a manufacturer-pays model lets surgeons use the software free.

Surgical PlanningImplant AgnosticVendor NeutralTotal Knee ArthroplastyMedtechManufacturerOrthopedic Surgery
6 min read
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Integrating Planning With Your Implant Library

Integrating a vendor-neutral planner with your OEM implant library: catalog mapping, sizing, and templates so plans are expressed on your own components.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
6 min read
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The Manufacturer-Pays Model for Planning

How the manufacturer pays surgical planning model works: surgeons plan free, the OEM pays because the plan supports correct sizing and use of its implant.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
4 min read
English

Femoral Rotation in TKA Planning

Component rotation is the least-standardized axis in total knee arthroplasty. Why the reference axes disagree, why coronal alignment does not predict rotation, and why pre-operative rotation optimization is an open problem.

Total Knee ArthroplastyFemoral RotationTransepicondylar AxisSurgical PlanningPatellofemoralCTOrthopedic Surgery
7 min read
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IP and Field-of-Use in a Planning License

IP field of use in a planning software license for OEMs: who owns trained weights and derivative IP, exclusivity, re-training bars, term and exit, negotiated not assumed.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
6 min read
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Vendor-Neutral vs Vendor-Locked Planning

Vendor-neutral vs vendor-locked surgical planning: what a robot-tied planner costs an implant manufacturer, and what a decoupled CT-to-plan layer gains you.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
6 min read
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Build vs Buy: AI Planning for Implant Makers

Build vs buy surgical planning software OEM: honest engineering, regulatory and maintenance trade-offs for implant makers, and when to license a vendor-neutral CT-to-plan engine.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
6 min read
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Data Governance for OEM Planning Software

Where patient CT data goes and who is responsible when a manufacturer licenses a planning platform: residency, de-identification, and key contract terms.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
4 min read
English

TKA Alignment Philosophies Compared

Mechanical, adjusted mechanical, kinematic, restricted kinematic and functional alignment for total knee arthroplasty, compared on targets, boundaries and evidence, and why a planner should let the surgeon see them side by side.

Total Knee ArthroplastyAlignmentKinematic AlignmentMechanical AlignmentFunctional AlignmentCPAKSurgical PlanningOrthopedic Surgery
6 min read
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Licensing Planning Software: What to Ask

Licensing an implant-agnostic planning platform as an OEM: a manufacturer's checklist for integration, data governance, regulatory status, IP terms, and pilots.

ManufacturerOEMVendor NeutralSurgical PlanningMedtechTotal Knee ArthroplastyOrthopedic Surgery
4 min read
English

Robotic vs Software-Only TKA Planning

Robotic total knee arthroplasty improves some accuracy metrics but its cost is the adoption barrier. A look at where a software-only, vendor-neutral pre-op planning layer delivers the planning value without the capital cost.

Total Knee ArthroplastyRobotic SurgerySurgical PlanningCost EffectivenessCPAKAlignmentOrthopedic Surgery
10 min read
English

Automated CPAK Alignment Planning: What AI Does

How AI automates CPAK classification (aHKA and JLO) into nine knee phenotypes, and how automated coronal plane alignment planning fits mechanical, kinematic, and functional alignment.

Automated CPAKCPAK ClassificationCoronal Plane AlignmentaHKA JLOFunctional AlignmentPreoperative PlanningKnee ArthroplastySurgical AI
8 min read
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CPAK Classification Explained: aHKA, JLO, Nine Types

A plain-language guide to the CPAK classification: how aHKA and JLO are derived from LDFA and MPTA, the nine knee phenotypes, and why they matter for planning.

CPAK classificationaHKAJLOcoronal alignmentknee phenotypespreoperative planningorthopedic AI
10 min read
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CPAK vs Mechanical Alignment in Knee Replacement

How CPAK, mechanical, kinematic, restricted kinematic, and functional alignment compare in TKA, and where CPAK fits as a planning framework.

CPAKMechanical AlignmentKinematic AlignmentFunctional AlignmentKnee ReplacementTKASurgical Planning
17 min read
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Orthopedic 3D Planning Software Compared (2026)

Surgeon-focused comparison of orthopedic 3D planning software in 2026: Formus Labs, AlgoSurg, CustomSurg, Bodycad, ImageBiopsy, PeekMed, mediCAD, Salnus, and more, on accuracy, data governance, and clearance.

Preoperative Planning3D ReconstructionBone SegmentationCPAKComparisonOrthopedic SurgeryDICOMSurgical Planning
9 min read
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Patient-Specific Instrumentation for Multiligament Knee

How 3D-printed patient-specific guides reduce femoral tunnel convergence in multiligament knee reconstruction, grounded in a 2026 OJSM controlled laboratory study.

patient-specific instrumentationmultiligament knee reconstructionfemoral tunnel convergence3D printed surgical guidesACL PCL reconstructionsurgical planningorthopedic AI
9 min read
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Reading Clinical Validation in Orthopaedic AI

How to read clinical validation of an AI orthopedic tool: which metrics matter (Dice, ICC, AUC, calibration), internal vs external validation, red flags.

Clinical ValidationAIOrthopaedic SurgeryMetricsExternal ValidationEvaluation
7 min read
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How CT-Based 3D Preoperative Planning Works

A step-by-step guide to CT based preoperative planning in orthopaedics: from DICOM CT to bone segmentation, 3D models, landmarks, and the surgical plan.

Preoperative PlanningCT3D ReconstructionSegmentationOrthopaedic SurgeryAI
9 min read
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Measurement Reproducibility in Ortho AI

Why measurement reproducibility matters for tibial slope and coronal alignment, ICC and Bland-Altman interpretation, and how AI improves reliability.

Measurement ReproducibilityTibial SlopeCoronal AlignmentICCBland-AltmanOrthopaedic AI
7 min read
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The Salnus Surgeon Portal: Browser DICOM + AI

A look at how Salnus brings a DICOM viewer and orthopedic AI together in one browser tab, automatic CT bone segmentation, an interactive 3D model, and surgical planning, with an honest account of what is live today and what is still ahead.

DICOM ViewerMedical AICT Segmentation3D ReconstructionSurgical PlanningClient-SideOrthopedicsRoadmap
5 min read
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Cloud vs Client-Side Medical AI: Data Governance

Where medical AI runs decides your privacy obligations. A comparison of cloud (server-side) and client-side (on-device) processing for orthopaedic imaging, under KVKK, GDPR, and HIPAA.

Data GovernancePrivacyKVKKGDPRMedical AIClient-SideDICOM
5 min read
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2D Templating vs 3D AI Planning: When Each Wins

A practical comparison of 2D digital templating and 3D AI-based preoperative planning in orthopaedics, accuracy, speed, cost, imaging dose, and the cases where each is the right choice.

Preoperative PlanningTemplating3D ReconstructionAIComparisonOrthopaedic Surgery
5 min read
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AI vs Manual CT Bone Segmentation Compared

A head-to-head comparison of AI and manual CT bone segmentation for orthopaedic planning, segmentation accuracy, time per case, cost, and where a hybrid AI-plus-human workflow wins.

Bone SegmentationCTAIComparisonSurgical PlanningWorkflownnU-Net
5 min read
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Automated CT Bone Segmentation for Planning

How deep-learning CT bone segmentation works in orthopaedic planning, accuracy, editability, processing time, and the practical workflow from DICOM to a 3D model surgeons can use.

Bone SegmentationCTDeep LearningSurgical Planning3D ReconstructionnnU-NetDICOM
5 min read
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Robotic Arthroplasty vs Complementary AI Planning

How robotic-assisted arthroplasty systems like Mako work, the building blocks they provide, and where independent AI-based preoperative planning complements rather than competes with robotic platforms.

Robotic SurgeryArthroplastyPreoperative PlanningAISurgical Planning3D Reconstruction
9 min read
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Browser-Based DICOM Processing for Orthopaedic AI

We chose to run orthopaedic AI directly in the browser, with DICOM never leaving the session boundary. Here is the architecture, the tradeoffs, and the regulatory case for client-first inference in clinical pilots.

DICOMBrowser-Based AIClient-Side InferenceKVKKGDPRClinical PilotOrthopaedic AIIsolation ArchitectureCornerstone3DONNX Runtime WebPrivacy by Design
5 min read
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AI in Shoulder and Trauma Imaging

A grounded look at AI for shoulder and trauma orthopaedics, fracture detection and classification, glenoid and shoulder arthroplasty planning, and what is clinically validated versus still emerging.

TraumaShoulderFracture DetectionAIPreoperative PlanningRadiology
5 min read
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AI in Hip Arthroplasty Templating: Beyond the Knee

How AI is changing preoperative templating for total hip arthroplasty, automated cup and stem sizing, offset and leg-length planning, and where 3D CT planning outperforms 2D templates.

Hip ArthroplastyTemplatingTHAPreoperative PlanningAI3D ReconstructionCT
5 min read
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What to Ask Before Trusting an AI Imaging Tool

A practical checklist for orthopaedic surgeons evaluating an AI imaging or planning tool, validation, generalisability, explainability, regulatory status, and data governance, with the questions that separate clinical tools from demos.

AI ValidationClinical Decision SupportRegulatoryExplainabilityOrthopaedic SurgeryEvaluation
8 min read
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ARCO Staging in Femoral Head AVN: Can AI Help?

ARCO staging guides treatment decisions in osteonecrosis of the femoral head, but ARCO Stage I-II disagreement among radiologists remains a structural problem. Deep learning shows promise, here is what the literature actually demonstrates.

Avascular NecrosisONFHARCO StagingDeep LearningMRIHip OsteonecrosisInter-Observer AgreementClinical Decision Support
8 min read
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AI in Knee Cartilage Grading Reliability

Inter-observer agreement in MRI-based knee cartilage classification (ICRS, MOAKS, WORMS) often falls below clinical reliability thresholds. Deep learning offers a path to standardised grading, here is what the validation literature actually shows.

Knee CartilageICRSMOAKSInter-Observer VariabilityDeep LearningMRIKnee OsteoarthritisClinical Decision Support
7 min read
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AI in Osteotomy Planning: Angles to Decisions

How AI is changing corrective osteotomy planning (HTO, DFO): automated angle measurement, hinge and slope planning, and end-to-end surgical decision support.

OsteotomyHTODFOArtificial IntelligenceSurgical PlanningMPTALDFAMechanical AxisOrthopaedics
10 min read
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AI in Sports Medicine: Injury to Return-to-Play

How artificial intelligence is transforming sports medicine, from MRI-based ligament and meniscus tear detection to biomechanical motion analysis, return-to-sport prediction, and personalised rehabilitation. A practical guide for sports medicine surgeons and team physicians.

Sports MedicineAIACLReturn to SportBiomechanicsWearable SensorsMachine LearningRehabilitation
7 min read
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Meniscus Tear Detection with AI on Knee MRI

AI detects meniscal tears with 87% sensitivity, but accurately localising them remains a challenge. How deep learning is advancing meniscus assessment, where the gaps are, and what clinicians should know about the detection-localisation asymmetry.

MeniscusMeniscal TearAIMRIDeep LearningKneeMusculoskeletal Radiology
9 min read
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AI Fracture Detection in Emergency Radiology

Emergency departments miss 3–9% of fractures on initial radiograph interpretation. AI-powered fracture detection systems are demonstrating sensitivity improvements from 81% to 92%, here's what clinicians need to know about the technology, commercial tools, and clinical evidence.

Fracture DetectionAIEmergency RadiologyDeep LearningX-RayBoneViewClinical Decision Support
9 min read
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AI 3D Planning in Paediatric Orthopaedics

Children are not small adults, their growing bones demand surgical precision that generic templates cannot provide. How AI-powered 3D planning, patient-specific instrumentation, and predictive modelling are transforming paediatric deformity correction, DDH screening, and fracture management.

Paediatric OrthopaedicsAI3D PlanningPSIDeformity CorrectionDDHGrowth PlateScoliosis
10 min read
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CT to 3D Model: AI Bone Segmentation for Planning

How deep learning transforms CT scans into patient-specific 3D bone models in minutes, replacing hours of manual segmentation and enabling precision surgical planning for knee osteotomy, arthroplasty, and complex reconstruction.

CT Segmentation3D ReconstructionDeep LearningnnU-NetSurgical PlanningPreoperative PlanningSTL
2 min read
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AI in Orthopaedics: Turkey 2026 Guide

Comprehensive guide to AI applications in orthopaedic surgery with focus on Turkey's regulatory framework, TİTCK, ÜTS registration, TÜSEB/TÜBİTAK funding, and clinical adoption.

AIOrthopaedicsTurkeyTİTCKRegulatoryKL-GradeSurgical PlanningKVKK
9 min read
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Preoperative Planning Software: 2026 Guide

A practical guide to modern preoperative planning software for orthopaedic surgery, from 2D templating to AI-powered 3D reconstruction, and what features matter for clinical workflow.

Preoperative PlanningOrthopaedic Surgery3D ReconstructionAIDICOMPSISurgical Planning
9 min read
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AI in Orthopaedic Surgery: Where We Stand in 2026

Comprehensive guide to AI in orthopaedic surgery, radiographic OA grading, MRI ligament analysis, 3D surgical planning, robotics, regulatory landscape, and privacy architecture.

AIOrthopaedicsDeep LearningSurgical PlanningMedical AIKL-GradeRoboticsRegulatory
9 min read
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How to Choose an AI Tool for Knee OA Assessment

A practical evaluation framework for orthopaedic surgeons comparing AI-powered knee osteoarthritis grading tools, what to ask vendors, which metrics matter, and red flags to watch for.

Knee OAAIKL-GradeBuyer GuideClinical Decision SupportSaMD
6 min read
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PCL: The Forgotten Ligament in AI Research

Of 29 deep learning studies on cruciate ligament injury detection, only one addresses the PCL. Why the posterior cruciate ligament remains AI's blind spot, and what needs to change.

PCLPosterior Cruciate LigamentACLMRIDeep LearningSports Medicine
6 min read
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ACL Injury Assessment with AI on Knee MRI

How deep learning detects ACL tears on knee MRI, grades severity, predicts surgical outcomes, and moves from research toward clinical decision support.

ACLAnterior Cruciate LigamentMRIDeep LearningSports MedicineKnee Injury
7 min read
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AI in Hip Osteoarthritis Research

AI in hip osteoarthritis, radiographic classification, progression prediction, and Salnus's PROSPERO-registered systematic review.

Hip OAArtificial IntelligenceDeep LearningSystematic ReviewPROSPEROOrthopaedics
5 min read
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Best DICOM Viewers for Orthopaedic Surgeons (2026)

Comparing DICOM viewers for orthopaedic surgeons, free tools, desktop apps, and AI-integrated platforms with automated measurements.

DICOMViewerRadiologyAIOrthopaedicsMedical Imaging
6 min read
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AI-Powered OA Screening: X-Ray to Clinical Insight

How deep learning screens for knee OA from radiographs, model architecture, training on OAI data, and clinical integration at Salnus.

OA ScreeningDeep LearningDenseNetKnee OAGradCAMAI Diagnostics
5 min read
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What Is DICOM? A Guide to Medical Imaging Standards

DICOM for orthopaedic surgeons, the universal standard behind every CT, MRI, and X-ray, and what clinicians need to know.

DICOMMedical ImagingPACSRadiologyOrthopaedics
5 min read
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Kellgren-Lawrence Grading: 5 Grades, AI-Assisted

The KL 0-4 scale explained, why Grade 1-2 disagreement happens (kappa 0.50-0.65), and how AI reduces intra-observer drift.

Kellgren-LawrenceOsteoarthritisKL GradeKnee OAAIDeep Learning
5 min read
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How to Read a Knee X-Ray: A Systematic Approach

Systematic knee radiograph interpretation, technical adequacy, bone assessment, joint space, soft tissue, alignment, and clinical correlation.

Knee X-RayRadiograph InterpretationOrthopaedicsMedical EducationOA
5 min read
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Orthopaedic AI Needs Surgeon-Engineer Teams

Why pure-tech teams fail in medical AI and how surgeon-engineer collaboration from day one produces better orthopaedic AI models and outcomes.

CollaborationMedical AIOrthopaedicsProduct DevelopmentClinical Validation
4 min read
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Building a Medical AI Startup in Turkey

Building an orthopaedic AI startup in Istanbul, architecture decisions, regulatory navigation, and Turkey's medical AI ecosystem.

StartupTurkeyMedical AIKVKKOrthopaedicsLessons Learned
4 min read
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PSI for Multi-Ligament Knee Reconstruction

Our OJSM-published study validating 3D-printed patient-specific instrumentation for multi-ligament knee reconstruction: the tunnel-placement problem, our CT-driven workflow, clinical accuracy, and how it anchors the Salnus planning platform.

PSI3D PrintingOJSMKneeSurgical Planning
6 min read
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GradCAM: AI Visualisation in Medical Imaging

How GradCAM works, why it matters for clinical trust in medical AI, and what the heatmaps reveal when overlaid on a knee radiograph.

GradCAMExplainable AIXAIDeep LearningMedical ImagingTrust
5 min read
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3D-Printed Surgical Guides in Orthopaedics

Patient-specific 3D-printed surgical guides, design workflow, clinical evidence, material selection, and AI-accelerated production.

3D PrintingPSISurgical GuidesPatient-SpecificOrthopaedicsHTO
5 min read
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Knee OA Progression: Early to End-Stage

Knee OA stages from pre-radiographic disease to end-stage, risk factors, treatment at each stage, and AI-assisted progression monitoring.

Knee OAOsteoarthritisProgressionTreatmentClinical Guide
5 min read
EnglishTürkçe

Privacy by Design in Medical AI

Client-side AI for medical imaging, browser-based inference, KVKK/HIPAA compliance, and why architecture is the privacy strategy.

PrivacyKVKKHIPAAGDPRMedical AIClient-SideONNX
5 min read
EnglishTürkçe

Mechanical Axis Alignment: LDFA, MPTA, HKA

Lower limb alignment for orthopaedic surgeons, LDFA, MPTA, HKA, FTA measurement, normal values, and role in OA and surgical planning.

Mechanical AxisLDFAMPTAHKAKnee AlignmentOsteotomy
5 min read
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DICOM vs JPEG in Medical Imaging

DICOM vs JPEG for medical imaging, why JPEG loses critical clinical data and how DICOM preserves diagnostic fidelity for surgeons.

DICOMJPEGMedical ImagingRadiologyData Quality
6 min read
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Joint Space Width in Knee OA: Techniques and Values

JSW measurement in knee OA, standardised techniques, normal reference values, common pitfalls, and AI-assisted reproducibility.

JSWJoint Space WidthKnee OARadiographic MeasurementOsteoarthritis

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