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Ambiguous Igneous Rocks

Ambiguous Igneous Rocks Hypertrophic lichen planus clearly resembles extrusive igneous rock, as nicely shown by Welsh et al.1 But I ask 1 question: What image does the term igneous rock create in the mind of a dermatologist (or a geologist, for that matter)? Unlike the term peau d'orange, for instance, which creates a specific image, the term igneous rock conjures up no specific image. To a dermatologist like myself from New England, igneous rock might suggest granite. But to someone from the West Coast or Hawaii, it probably suggests volcanic rock like rhyolite, basalt, pumice, or obsidian. I'm afraid that the term igneous rock is so vague that it does nothing to facilitate communication. Correspondence: Dr Reynolds, 198 Massachusetts Ave, North Andover, MA 01845 (odrderm@aol.com). Financial Disclosure: None reported. References 1. Welsh JPSkvarka CBAllen HB A novel visual clue for the diagnosis of hypertrophic lichen planus. Arch Dermatol 2006;142954PubMedGoogle ScholarCrossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Dermatology American Medical Association

Ambiguous Igneous Rocks

Archives of Dermatology , Volume 143 (1) – Jan 1, 2007

Ambiguous Igneous Rocks

Abstract

Hypertrophic lichen planus clearly resembles extrusive igneous rock, as nicely shown by Welsh et al.1 But I ask 1 question: What image does the term igneous rock create in the mind of a dermatologist (or a geologist, for that matter)? Unlike the term peau d'orange, for instance, which creates a specific image, the term igneous rock conjures up no specific image. To a dermatologist like myself from New England, igneous rock might suggest granite. But to someone from the West Coast or...
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References (1)

Publisher
American Medical Association
Copyright
Copyright © 2007 American Medical Association. All Rights Reserved.
ISSN
0003-987X
eISSN
1538-3652
DOI
10.1001/archderm.143.1.118
pmid
17224557
Publisher site
See Article on Publisher Site

Abstract

Hypertrophic lichen planus clearly resembles extrusive igneous rock, as nicely shown by Welsh et al.1 But I ask 1 question: What image does the term igneous rock create in the mind of a dermatologist (or a geologist, for that matter)? Unlike the term peau d'orange, for instance, which creates a specific image, the term igneous rock conjures up no specific image. To a dermatologist like myself from New England, igneous rock might suggest granite. But to someone from the West Coast or Hawaii, it probably suggests volcanic rock like rhyolite, basalt, pumice, or obsidian. I'm afraid that the term igneous rock is so vague that it does nothing to facilitate communication. Correspondence: Dr Reynolds, 198 Massachusetts Ave, North Andover, MA 01845 (odrderm@aol.com). Financial Disclosure: None reported. References 1. Welsh JPSkvarka CBAllen HB A novel visual clue for the diagnosis of hypertrophic lichen planus. Arch Dermatol 2006;142954PubMedGoogle ScholarCrossref

Journal

Archives of DermatologyAmerican Medical Association

Published: Jan 1, 2007

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