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Table 1 Diagnostic guideline for oral cytology, proposed by the Diagnostic Guideline Committee for Oral Cytology of the Japanese Society of Clinical Cytology

From: Diagnostic accuracy of oral cancer cytology in a pilot study

Abbreviation

Corresponding pathological diagnosis

NILM

normal, infection, inflammation, lichen planus, leukoplakia, benign epithelial lesion, etc.

LSIL

mild and moderate dysplasia, and SIN1 and SIN2; mentioned in WHO 2005

HSIL

severe dysplasia, carcinoma in situ, and SIN3; mentioned in WHO 2005

SCC

squamous cell carcinoma

Other malig.

other malignancy

IFN

indefinite for neoplasia or non-neoplasia

  1. Cytological diagnoses were classified as NILM (negative for intraepithelial lesion or malignancy), LSIL (low-grade squamous intraepithelial lesion), HSIL (high-grade squamous intraepithelial lesion), or SCC (squamous cell carcinoma) and IFN (indefinite for neoplasia or non-neoplasia)