Table. 1.

Scale for acanthosis nigricans in the neck

Severity Description
0 Absent: not detectable on close inspection.
1 Present: clearly present on close visual inspection, not visible to the casual observer, extent not measurable.
2 Mild: limited to the base of the skull, does not extend to the lateral margins of the neck (usually <7.62 cm in breadth).
3 Moderate: extending to the lateral margins of the neck (posterior border of the sternocleidomastoid) (usually 7.62–15.24 cm), should not be visible when the participant is viewed from the front.
4 Severe: extending anteriorly (>15.24 cm), visible when the participant is viewed from the front.

Data from the article of Burke et al. (Diabetes Care 1999;22:1655-9).14)

Korean J Fam Pract 2023;13:240~246 https://doi.org/10.21215/kjfp.2023.13.4.240
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