Background And Aim: Histopathological Evaluation of surgical margins of a resected tumour specimen can give an insight about the extent of tumour spread. Errors in proper identification and orientation of resected tumour margins can lead to treatment failure and poor prognosis. Inking of resected margins is the most reliable and safe method. The aim of this study is to systematically review the studies which compares various materials used for inking of surgically resected specimen.
Materials And Methods: Articles searched from PubMed, Cochrane, Google search, manual search using key words - inking, tissue marking dyes, surgical margin, tumour margin, surgical pathology, grossing, gross specimens and back references of the articles, yielded three articles. Three articles with a total sample size of 1325 and compares properties of India ink, Acrylic colours and Tissue Marking Dyes were considered in this review.
Results: Both India ink and acrylic colours are good with respect to the Ease of application, visibility on paraffin wax blocks, Visibility on naked eye examination of slides and Visibility on microscope. Acrylic colours have less drying time than India ink. India ink do not result in contamination of tissue processing fluids, Interference with cellular and nuclear details and penetration in to tissues when compared with acrylic colours.
Conclusion: India Ink will continue to dominate as the best surgical ink when comparing all the parameters till newer studies are available for acrylic colours or other dyes. Acrylic colours have the potential to be widely used as a tissue marking dyes except for the few disadvantages.
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