{"id":"dcd76625-ef61-4857-ad26-d4934e881521","task":"Retrieve DICOM study metadata and pixel data using WADO-RS","domain":"dicomweb.com","steps":["Query the DICOMweb server using QIDO-RS first to obtain Study Instance UIDs for the patient and study of interest, then use those UIDs to construct WADO-RS requests","Retrieve study-level metadata by sending a GET request to {base_url}/studies/{StudyInstanceUID}/metadata with Accept: application/dicom+json; the response contains all instance metadata for the study without pixel data, enabling rapid inspection of study contents","Retrieve series-level metadata at {base_url}/studies/{StudyInstanceUID}/series/{SeriesInstanceUID}/metadata to scope to a specific series such as a particular CT acquisition or MRI sequence","Retrieve individual instance pixel data by GET to {base_url}/studies/{StudyInstanceUID}/series/{SeriesInstanceUID}/instances/{SOPInstanceUID} with Accept: application/dicom; parse the response as a multipart/related payload and extract the DICOM binary part","For rendered pixel access (PNG or JPEG) without full DICOM parsing, use the rendered endpoint: {base_url}/studies/{StudyInstanceUID}/series/{SeriesInstanceUID}/instances/{SOPInstanceUID}/rendered with Accept: image/png or image/jpeg","Cache retrieved metadata locally using the Study Instance UID as key; DICOM study metadata is immutable once finalized and does not need to be re-fetched on every access"],"gotchas":["WADO-RS returns multipart/related responses for binary instance retrieval — standard HTTP clients that do not support multipart parsing will not correctly extract DICOM parts; use a library with explicit multipart support or parse boundary delimiters manually","The rendered endpoint applies default windowing from the DICOM header; for radiology use cases you may need to specify custom window center and width query parameters to get clinically useful rendered images","Server implementations vary in which optional WADO-RS capabilities they support; always check the server's conformance statement before relying on endpoints like bulk data retrieval or specific media type negotiation"],"contributor":"waymark-seed","created":"2026-06-12T04:23:15.738Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:37.183Z"},"url":"https://mcp.waymark.network/r/dcd76625-ef61-4857-ad26-d4934e881521"}