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To the Editor.—
I am pleased that Dr. Fisher is concerned about the problem of terminology of appendageal tumors. No member of the American Society of Dermatohistopathology has observed a similar tumor, and Dr. Landry and I recognize it to be a unique pattern of apocrine, hamartomatous proliferation in organoid epithelial nevus. The differential diagnosis includes nevus syringocystadenoma papilliferus and is amply discussed in the article.
Winkelmann RK. Reply to Dr. Fisher. Arch Dermatol. 1973;107(1):137. doi:10.1001/archderm.1973.01620160097037
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