Agent skill

radiomics-pathomics-fusion-agent

Stars 163
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/radiomics-pathomics-fusion-agent

SKILL.md

---name: radiomics-pathomics-fusion-agent description: AI-powered multimodal fusion of radiology (CT/MRI/PET) and pathology (H&E/IHC) imaging with clinical and genomic data for comprehensive cancer diagnostics and treatment prediction. license: MIT metadata: author: AI Group version: "1.0.0" created: "2026-01-20" compatibility:

  • system: Python 3.10+ allowed-tools:
  • run_shell_command
  • read_file
  • write_file

keywords:

  • radiomics-pathomics-fusion-agent
  • automation
  • biomedical measurable_outcome: execute task with >95% success rate. ---"

Radiomics Pathomics Fusion Agent

The Radiomics Pathomics Fusion Agent integrates multimodal medical imaging data from radiology (CT, MRI, PET) and digital pathology (H&E, IHC whole slide images) with clinical and genomic data using deep learning fusion architectures. It enables comprehensive cancer phenotyping, treatment response prediction, and prognostic modeling.

When to Use This Skill

  • When predicting treatment response using multimodal imaging.
  • For comprehensive tumor phenotyping combining macro and micro views.
  • To identify imaging biomarkers correlated with genomic features.
  • When building prognostic models from combined radiology-pathology.
  • For AI-powered second opinion integrating all imaging modalities.

Core Capabilities

  1. Cross-Modal Fusion: Integrate radiology and pathology features using attention.

  2. Radiomics Extraction: Compute 3D texture, shape, intensity features from CT/MRI.

  3. Pathomics Extraction: Extract histopathological features from WSI.

  4. Clinical Integration: Combine imaging with clinical variables and genomics.

  5. Treatment Response Prediction: Predict chemotherapy, immunotherapy response.

  6. Survival Prediction: Multi-modal prognostic modeling.

Supported Imaging Modalities

Modality Features Extracted Resolution
CT Texture, shape, density Volumetric 3D
MRI Multi-sequence, perfusion Volumetric 3D
PET SUV, metabolic features Volumetric 3D
H&E WSI Nuclear, tissue architecture 40x magnification
IHC WSI Marker quantification 20-40x
Multiplexed IF Spatial protein patterns Subcellular

Fusion Architectures

Architecture Method Strengths
Early Fusion Concatenate features Simple, baseline
Late Fusion Combine predictions Modular
Attention Fusion Cross-modal attention Interpretable
Multimodal Transformer Self-attention across modalities State-of-art
Graph Fusion GNN for relationships Spatial awareness

Workflow

  1. Input: CT/MRI DICOM, pathology WSI, clinical data, optional genomics.

  2. Segmentation: Tumor ROI extraction from radiology.

  3. Radiomics: Extract 3D radiomic features.

  4. Pathomics: Extract histopathology features via foundation models.

  5. Fusion: Multimodal feature integration.

  6. Prediction: Treatment response, survival, biomarker prediction.

  7. Output: Integrated predictions, attention maps, explanations.

Example Usage

User: "Predict immunotherapy response for this lung cancer patient using their CT scan and biopsy pathology."

Agent Action:

bash
python3 Skills/Oncology/Radiomics_Pathomics_Fusion_Agent/fusion_predict.py \
    --ct_dicom ct_scan/ \
    --wsi_path biopsy.svs \
    --clinical_data patient_clinical.json \
    --genomic_data tumor_wes.vcf \
    --task immunotherapy_response \
    --cancer_type nsclc \
    --fusion_method attention \
    --output fusion_prediction/

Radiomic Feature Categories

Category Features Count
Shape Volume, surface area, sphericity 14
First-Order Mean, variance, skewness, entropy 18
GLCM Contrast, correlation, homogeneity 24
GLRLM Run length, gray level emphasis 16
GLSZM Zone size, gray level variance 16
GLDM Dependence features 14
NGTDM Texture features 5
Total ~107

Pathomics Feature Categories

Category Source Features
Nuclear Segmentation Size, shape, texture
Cellular Detection Density, clustering
Tissue Architecture Glandular, stromal ratios
Foundation Model CONCH, TITAN, UNI Deep embeddings
Spatial Graph analysis Neighborhood patterns

Output Components

Output Description Format
Prediction Response/outcome probability .json
Confidence Prediction uncertainty .json
Attention Maps Cross-modal importance .npy, .png
Feature Importance Shapley values .csv
ROI Highlights Predictive regions DICOM-SEG, GeoJSON
Report Clinical summary .pdf

Clinical Applications

Application Modalities Used Performance
NSCLC Immunotherapy CT + H&E AUC 0.82-0.88
HCC Survival MRI + H&E C-index 0.78
Breast Neoadjuvant MRI + H&E AUC 0.85
HNSCC HPV/Response CT + H&E AUC 0.89
CRC MSI Prediction CT + H&E AUC 0.86

AI/ML Components

Radiomics Pipeline:

  • PyRadiomics for feature extraction
  • 3D-CNN for learned features
  • Transformer for volumetric analysis

Pathomics Pipeline:

  • Foundation models (CONCH, UNI, TITAN)
  • MIL (Multiple Instance Learning) for WSI
  • Graph networks for spatial patterns

Fusion Models:

  • Cross-attention transformers
  • Multimodal variational autoencoders
  • Contrastive learning for alignment

Prerequisites

  • Python 3.10+
  • PyRadiomics, SimpleITK
  • OpenSlide, HistoEncoder
  • PyTorch, transformers
  • CONCH/TITAN model weights
  • GPU with 16GB+ VRAM

Related Skills

  • Pathology_AI/CONCH_Agent - Pathology foundation model
  • Radiology_AI agents - Modality-specific analysis
  • Pan_Cancer_MultiOmics_Agent - Genomic integration
  • TMB_Estimation_Agent - Tumor mutational burden

Multimodal Integration Strategies

Strategy Description Use Case
Feature-Level Combine extracted features Limited data
Embedding-Level Fuse latent representations Moderate data
Decision-Level Ensemble predictions Interpretability
End-to-End Joint training Large data

Special Considerations

  1. Data Alignment: Ensure imaging from same timepoint
  2. Missing Modalities: Handle incomplete multimodal data
  3. Class Imbalance: Balance training across outcomes
  4. Interpretability: Attention maps for clinical trust
  5. Validation: External multi-site validation essential

Quality Control

QC Check Threshold Action
CT coverage >90% tumor Rescan if needed
WSI quality Blur score <X Re-scan slide
Segmentation Dice >0.85 Manual review
Feature stability ICC >0.8 Robust features only

Regulatory Considerations

Aspect Status
FDA Clearance Individual modality tools cleared
Multimodal Fusion Research use only (RUO)
Clinical Integration PACS/LIS integration pathways
Explainability Required for clinical adoption

Author

AI Group - Biomedical AI Platform

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