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Ultrastructural Studies of Vitiligo, Vogt-Koyanagi Syndrome, and Incontinentia Pigmenti Achromians
Masaaki Morohashi, MD, PhD;
Ken Hashimoto, MD;
Thomas F. Goodman, Jr, MD;
Dennis E. Newton, MD;
Toivo Rist, MD
Arch Dermatol. 1977;113(6):755-766.
Abstract
• Studies of early progressive vitiligo, Vogt-Koyanagi syndrome, and incontinentia pigmenti achromians were made by electron microscopy. At the periphery of the depigmented lesions, the melanocytes had several subcellular abnormalities, ie, vacuolization of the cytoplasm, aggregation of melanosomes, autophagic vacuoles, fatty degeneration, pyknosis or homogeneous cytoplasmic degeneration, and others. Numerous nerve endings were seen in close contact with the basal lamina of the epidermis or even within the epidermis. Direct continuities between Schwann cell basal lamina of nerve endings and the basal lamina of the melanocytes were observed. Nerve endings could be associated with either normal or abnormal melanocytes.
(Arch Dermatol 113:755-766, 1977)
Author Affiliations
From the Veterans Hospital and Division of Dermatology, Department of Medicine, University of Tennessee Center for the Health Sciences, Memphis. Dr Newton is now with the Naval Hospital, Memphis, and Dr Rist with the USAF Regional Hospital, Maxwell Air Force Base, Montgomery, Ala.
Footnotes
Accepted for publication Aug 18, 1976.
Reprint requests to 1030 Jefferson Ave, Memphis, TN 38104 (Dr Hashimoto).
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