Optical properties of human gallbladder tissue and bile

Duncan J. Maitland, Jay Walsh

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Knowledge of the optical properties of biliary tract tissues is useful for aiding in the development and understanding of clinical applications of lasers inthe biliary tract. Human gallbladder and bile specimens were obtained during laproscopic cholecystectomy. The diffuse remittance and transmission of the samples determined from 350 to 2450 nm. Collimated transmission was determined at 633 and 2100 nm. Using one-dimensional diffusion theory, we calculated μs, μa, and g as a function of wavelength. Both gallbladder and bile show absorption peaks at 1.4 and 1.9 μm. Bile has a peak at 400 nm; gallbladder has peaks at410 and 550 nm. The absorption peaks are correlated with known tissue chromophores. The effect of the sample preparation on the results is discussed.

Original languageEnglish (US)
Pages (from-to)586-591
Number of pages6
JournalApplied optics
Volume32
Issue number4
DOIs
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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