Tangential Biopsy Thickness versus Lesion Depth in Longitudinal Melanonychia: A Pilot Study

Table 1

Average thickness measures.

Diagnosis	Specimens	Lesions
Hypermelanosis (G1) (𝑛=14)	MA: 0.71 mm	MA: 0.11 mm
	MB: 0.54 mm	MB: 0.10 mm
	MC: 0.53 mm	MC: 0.09 mm
	Average: 0.59 mm	Average: 0.10 mm
Lentigo (G2) (𝑛=1)	MA: 0.9 mm	MA: 0.1 mm
	MB: 0.6 mm	MB: 0.08 mm
	MC: 0.5 mm	MC: 0.06 mm
	MABC: 0,67 mm	MABC: 0.08 mm
Nevus (G3) (𝑛=6)	MA: 0.65 mm	MA: 0.07 mm
	MB: 0.47 mm	MB: 0.05 mm
	MC: 0.45 mm	MC: 0.04 mm
	MABC: 0.52 mm	MABC: 0.05 mm
Melanoma (G4) (𝑛=1)	MA: 0.68 mm	MA: 0.12 mm
	MB: 0.56 mm	MB: 0.10 mm
	MC: 0.51 mm	MC: 0.09 mm
	MABC: 0.58 mm	MABC: 0.10 mm
General average (𝑛=22)	MGs: 0.59 mm	MGl: 0.08 mm