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NTP Individual Animal Pathology Lesions

This dataset contains individual animal lesions from the Division of the National Toxicology Program (DNTP) studies including legacy and recently reported data.  Tissue name, locator, morphology, and modifier terminologies have been harmonized for this dataset.  

This is a large dataset containing over 3.9 million rows. The full dataset can be downloaded from the FTP site with options to download a .zip file containing the data divided into 4 Excel files or a single .tsv file containing all data. 

Note: Current version only contains legacy data from TDMS and CBDS. Future updates include addition of current data (Provantis) and overall improvements for searching. DNTP Standardized Histopathology Glossary is available at Glossary is under review. 

  • Primary Search Criteria
  • Additional Search Criteria
Tissue Morphology Locator Modifier Laterality Severity Other Pathology Term Is Neoplastic? Is Malignant? Is Systemic? Is Metastic? Metastasis Primary Tissue Species Strain Chemical Name Dose Dose Unit Dose Description Treatment Group Type Route Vehicle Dose Duration Dose Duration Unit Start Date Study Duration Sex Animal Number Depositor Name Death Day DTXSID NTP Publication Chemtrack Study Number NTP TDMSE Number Accession Number Tissue Original Term Morphology Original Term Locator Original Term Severity Original Term CASRN