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To the Editor.—
In the July 1977 issue of the Archives (113:987), Grange S. Coffin presents a case report entitled "Congenital Pigment Formation," in which a pattern of pigment in the shape of a deer track, which seems to be outlined by a pale, ventral median stripe, is described. Dr Coffin has no explanation of this congenital anomaly.We think that this mark enters into the group of "pigmentary demarcation lines," as defined by Selmanowitz and Krivo (Br J Dermatol 93:371, 1975), and can be identified with the group C, type 2 of the Miura's classification system (Tohoku J Exp Med 54:135-140, 1951). We have recently studied this curious type of pigmentation to individualize a new type of lineral dermatoses, which we named "axial dermatoses" (Ann Derm Véné-reol 104:304-308, 1977) because such dermoid patterns electively follow the linear course of Sherrington's axial lines.
Dupré A. Congenital Pigment Formation. Arch Dermatol. 1978;114(6):964. doi:10.1001/archderm.1978.01640180094033