A tissue floater or extraneous cross-contamination tissue on a microscopic slide is rare; however, it is a potential cause of diagnostic error. Occasionally, on collecting and processing of specimens, cross-contamination of tissue occurs leading to pathologic findings that are inconsistent with endoscopic findings. If the extraneous tissue is neoplastic, it can lead to a false-positive diagnosis. We present a case of discordant pathological and endoscopic diagnosis of invasive squamous carcinoma of the esophagus.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8126555 | PMC |
http://dx.doi.org/10.14309/crj.0000000000000583 | DOI Listing |
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