Imaging and archiving systems in radiology communicate using a digital format called:

• A. JPEG File Interchange Format
• B. Tagged Image File Format (TIFF)
• C. Electronic Health Record (EHR)
• D. Digital Imaging and Communications in Medicine (DICOM)

Answer: (D)

In radiology, the standard used to exchange and store imaging data along with its necessary information is DICOM, the Digital Imaging and Communications in Medicine format. DICOM defines both the image file structure and the network protocols that allow devices like scanners, workstations, and archive systems to communicate smoothly. It carries a consistent set of metadata—patient details, study and series identifiers, modality, acquisition parameters—that travel with the image, ensuring anyone in the workflow can interpret and organize the study correctly regardless of vendor. This interoperability is essential for PACS and other radiology information systems to function together efficiently.

General image formats like JPEG or TIFF are designed for everyday pictures and don’t include standardized medical metadata or the specialized network services required for medical imaging workflows. An electronic health record stores patient information and may link to imaging, but it is not the format used for transmitting and archiving imaging data itself. DICOM uniquely covers both the image data and the metadata plus the means to transmit and manage it across the radiology environment.