porfimer sodium

noun
por·​fi·​mer sodium | \ ˈpȯr-fə-mər- How to pronounce porfimer sodium (audio) \

Medical Definition of porfimer sodium

: a photosensitizing mixture of porphyrin oligomers that is administered by intravenous injection to induce photosensitivity in tumor cells (as of esophageal carcinoma) before subjecting them to laser light in photodynamic therapy — see photofrin

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