Effectiveness of India Ink as a Long‐term Colonic Mucosal Marker

M. Brian Fennerty, Richard E. Sampliner, Lee J. Hixson, Harrinder S. Garewal

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


We prospectively studied the use of India ink as a long‐term or “permanent” mucosal marker as part of a study investigating the natural history of diminutive distal colorectal polyps. Twenty‐six patients had 32 India ink tatoos implanted. The tatoo sites of the 19 patients who were followed at least 6 months continued to display intensely stained mucosa at the original sites. No side effects or complications were encountered. India ink appears to be a safe and effective long‐term marker for colonic mucosal lesions.

Original languageEnglish (US)
Pages (from-to)79-81
Number of pages3
JournalThe American journal of gastroenterology
Issue number1
StatePublished - Jan 1992
Externally publishedYes

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology


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