RT Journal A1 DAVIS J, WALDRIFF GA T1 DIstribution of pityriasis rosea JF Archives of Dermatology and Syphilology JO Archives of Dermatology and Syphilology YR 1950 FD May 1 VO 61 IS 5 SP 865 OP 867 DO 10.1001/archderm.1950.01530120156023 UL http://dx.doi.org/10.1001/archderm.1950.01530120156023 AB Thirty-six years ago, Fox1 stated that "our textbook descriptions of pityriasis rosea need many additions and corrections." According to our present findings concerning the distribution of this eruption, his remark is still valid.Modern dermatologic texts follow the original concept of the distribution of the lesions in pityriasis rosea as given by Gibert2 in 1860. We quote from four: Becker and Obermayer3 stated that "the location of a typical eruption is the trunk and the extremities above the elbows and knees." According to Sutton and Sutton,4 "the eruption may be limited to the trunk, but the upper arms and the thighs are frequently attacked. Rarely the face is involved." MacKee and Cipollaro5 expressed the opinion that "the eruption is usually limited to the chest, abdomen and back, although lesions may occur on the arms and thighs. It rarely attacks the face." Andrews6 considered the