An update on touch preparations of small biopsies Review
| Authors: | Satturwar, S.; Rekhtman, N.; Lin, O.; Pantanowitz, L. |
| Review Title: | An update on touch preparations of small biopsies |
| Abstract: | Touch preparations (TPs) are being increasingly utilized in the era of personalized medicine. They fill a gap in cytopathology practice by providing a method to perform rapid onsite evaluation of small tissue samples such as core needle biopsies. However, there is a paucity of literature about how best to perform and interpret a TP. A high-quality TP can provide excellent diagnostic accuracy and good concordance with core needle biopsy histopathology findings. Although many of the cytomorphologic features of TPs overlap with fine needle aspirate smears, TP cytology is unique and differs from conventional smears in many aspects. It is important for cytologists to recognize these features, as well as potential pitfalls and artifacts in order to avoid misinterpretation. Core depletion of tumor cells is a notable drawback if TPs are performed too aggressively. TP slides are also valuable for ancillary testing because they often contain a cellular and pure population of whole tumor cells. This paper reviews all of the aspects of TPs including their clinical utility, proper slide preparation techniques, distinctive cytomorphologic characteristics, limitations, and potential pitfalls. © 2020 American Society of Cytopathology |
| Keywords: | controlled study; human tissue; histopathology; review; diagnostic accuracy; cytology; aspiration; needle biopsy; tumor cell; artifact; diagnostic test accuracy study; touch; touch preparation; human; cell biologist; needle core biopsy; ancillary testing; small biopsy |
| Journal Title: | Journal of the American Society of Cytopathology |
| Volume: | 9 |
| Issue: | 5 |
| ISSN: | 2213-2945 |
| Publisher: | American Society of Cytopathology |
| Date Published: | 2020-09-01 |
| Start Page: | 322 |
| End Page: | 331 |
| Language: | English |
| DOI: | 10.1016/j.jasc.2020.04.004 |
| PUBMED: | 32417160 |
| PROVIDER: | scopus |
| PMCID: | PMC8375623 |
| DOI/URL: | |
| Notes: | Review -- Export Date: 1 September 2020 -- Source: Scopus |
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