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Sapp AR , Wander P , Ali U , Gong Y , Milano RV , Bartel MJ
Discordant Pathological and Endoscopic Diagnosis: Consider Floaters
ACG Case Rep J. 2021 May;8(5) :e00583
PMID: 34007858    PMCID: PMC8126555   
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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.
2326-3253 Sapp, Abby R Wander, Praneet Ali, Usman Gong, Yulan Milano, Reza V Bartel, Michael J Case Reports ACG Case Rep J. 2021 May 14;8(5):e00583. doi: 10.14309/crj.0000000000000583. eCollection 2021 May.