Azyri

Processes pediatric hand/wrist X-ray images through a deep learning model trained on skeletal maturity datasets to automatically compute bone age in months, eliminating manual Greulich-Pyle or Tanner-Whitehouse chart interpretation. The system likely uses convolutional neural networks (CNNs) to detect epiphyseal plates, carpal bones, and metacarpal morphology, then maps detected features to standardized bone age scales. Outputs a quantitative age estimate with confidence metrics, reducing inter-observer variability inherent in radiologist manual assessment.

Translates raw CNN predictions into multiple standardized bone age assessment frameworks (Greulich-Pyle, Tanner-Whitehouse, Fels method) through a post-processing layer that maps detected skeletal features to each scale's reference data. The system maintains lookup tables or regression models for each standard, allowing clinicians to receive bone age estimates in their preferred clinical framework. Output includes age estimate, standard error, and percentile ranking relative to healthy reference populations.

Delivers a responsive web application optimized for mobile devices (iOS, Android) and tablets that enables clinicians to capture or upload radiographic images directly from the point-of-care environment without requiring PACS integration or desktop workstations. The interface includes image preview, annotation tools for marking regions of interest, and real-time assessment results displayed on-device. Architecture likely uses progressive web app (PWA) patterns with service workers for offline capability and local caching of assessment results.

Enables bulk assessment of multiple radiographic images in a single workflow, processing dozens or hundreds of pediatric X-rays sequentially with aggregated reporting and statistical summaries. The system queues images, distributes inference across available compute resources, and generates population-level reports showing age distribution, outliers, and screening outcomes. Likely implements asynchronous job queuing with progress tracking and webhook callbacks for integration with external systems.

Automatically generates formatted clinical reports from bone age assessments that include patient demographics, assessment timestamp, bone age estimate with confidence intervals, comparison to age-matched norms, and clinical interpretation guidance. Reports are exportable in multiple formats (PDF, HL7 CDA, plain text) suitable for integration into electronic health records (EHRs) or printing for paper charts. The system uses templating to ensure consistent formatting and includes optional fields for clinician notes and recommendations.

Provides per-assessment confidence scores and uncertainty estimates that indicate the reliability of the bone age prediction, derived from model ensemble disagreement, input image quality metrics, and distance from training data distribution. The system flags assessments with low confidence (e.g., poor image quality, unusual skeletal anatomy) that may require radiologist review. Confidence scores are calibrated against radiologist agreement rates to provide clinically meaningful reliability metrics rather than raw model probabilities.

Automatically selects age- and sex-matched reference populations from diverse demographic cohorts to compute percentile rankings and growth norms, rather than using a single universal reference. The system maintains separate reference datasets for different ethnic groups, geographic regions, and nutritional status categories, allowing bone age estimates to be contextualized within the patient's specific demographic group. Percentile output indicates whether skeletal maturity is advanced, normal, or delayed relative to peers.

Analyzes input radiographic images for technical quality metrics (sharpness, contrast, positioning, artifact presence) before processing, rejecting or flagging images that fall below clinical standards. The system computes quality scores across multiple dimensions (anatomical positioning, exposure adequacy, motion blur, foreign objects) and provides feedback to guide image recapture if needed. Preprocessing includes automatic rotation correction, contrast normalization, and artifact detection to optimize input for the bone age assessment model.

Stores historical bone age assessments for individual patients and computes growth velocity and skeletal maturity trajectories over time, enabling detection of abnormal growth patterns or changes in skeletal development rate. The system compares current assessment to prior assessments, calculates bone age advancement relative to chronological age progression, and flags cases with unusual acceleration or deceleration. Longitudinal data supports clinical decision-making for growth hormone therapy, orthopedic interventions, or endocrine workup.

Provides RESTful API and HL7 v2/FHIR messaging interfaces for bidirectional integration with hospital EHR systems, enabling automated order placement, result delivery, and clinical workflow embedding. The system supports HL7 ORM (order) messages for receiving bone age assessment orders from EHR, returns results via ORU (observation result) messages, and supports FHIR DiagnosticReport resources for modern EHR systems. Integration includes patient demographic lookup, order tracking, and result status notifications.