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Table 1 Classification system for the degree of artifact

From: CO2 laser versus cold steel margin analysis following endoscopic excision of glottic cancer

Degree of artifact Definition
None No Artifact
Minor Minor degree of artifact Still interpretable for both malignancy & dysplasia with accuracy
Marked Greater degree of artifact, causing difficult interpretation of specimen Could interpret for margin malignancy status but not for the presence or degree of dysplasia with accuracy
Uninterpretable No opinion on the presence or absence of dysplasia or malignancy could be given