To the Editor:—
In his paper on the pathogenesis of miliaria rubra, Dr. Loewenthal1 agrees that the sweat pore is blocked in the lesion of the established disease.However, his paper aims to show that a very early histologic phase exists during which the pore is not blocked. Because the etiology of miliaria has so many implications for temperate as well as tropical physiology, Dr. Loewenthal's evidence for patency deserves thorough examination and comment.In a purely theoretical sense, Dr. Loewenthal can argue from a position of advantage. For clearly, when a tube becomes blocked, a time factor is involved and a hypothetical stage thus exists during which the lumen is neither truly open nor truly closed. Therefore, whatever is said about its state of patency at this time has some truth. But this is the only concession that should be made to Loewenthal's case because much of his
O'Brien JP. THE PATHOGENESIS OF MILIARIA. Arch Dermatol. 1962;86(3):267–270. doi:10.1001/archderm.1962.01590090009005
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