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Technology Explainer· Published Feb 24, 2026· 10 min read

DICOM Standards, Modality Worklists, and PACS Integration for Imaging Clinics

Connecting your X-ray acquisition workstation to electronic medical records (EMR) and cloud tele-radiology.

David Chen, RT(R)(CT)
David Chen, RT(R)(CT)
Clinical Radiography Workflow Specialist
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1. What is DICOM and Why Does It Matter?

Digital Imaging and Communications in Medicine (DICOM) is the international standard protocol ensuring that medical imaging devices (X-ray, CT, MRI, Ultrasound) can exchange image data, patient demographics, and exposure metadata with workstations, PACS archives, and printers regardless of manufacturer.

2. The Critical Importance of Modality Worklist (MWL)

Never purchase an X-ray acquisition workstation that lacks a licensed DICOM Modality Worklist (MWL) module. Without MWL, technologists must manually type patient names, medical record numbers (MRNs), and accession numbers on the keyboard for every single patient. Manual typing inevitably introduces typos, leading to mismatched medical records and lost billing claims. MWL imports scheduled exams directly from the clinic EMR with one click.

Article Tags: DICOMEMR IntegrationInformaticsModality WorklistPACS