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porfimer sodium

noun

por·​fi·​mer sodium ˈpȯr-fə-mər- How to pronounce porfimer sodium (audio)
: 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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“Porfimer sodium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/porfimer%20sodium. Accessed 27 Nov. 2025.

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