| A case of argyria induced by chronic ingestion of colloidal silver |
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Jeong Hwa Yu, Sei Joong Chang, Ji Su Ha, Dong Hyuk Lim, In Ho Park, Jeong Won Kim, Shi Jung Chung |
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경희대학교 의과대학 순환기내과학교실 |
| 증례 : 콜로이드은(은이온수)을 2년간 음용한 후 발생한 은중독 1예 |
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유정화&#;장세중&#;하지수&#;임동혁&#;박인호&#;김정원&#;정시정, Sei Joong Chang, Ji Su Ha, Dong Hyuk Lim, In Ho Park, Jeong Won Kim, Shi Jung Chung |
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| Abstract |
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Argyria is a rare cause of cutaneous discoloration due to silver deposition. Occupational and iatrogenic argyria are
now very rare, and the use of dietary supplements is now the primary cause of argyria. Chronic ingestion of silver
preparations can lead to silver deposition in the skin. We report a case of argyria induced by the chronic ingestion of
colloidal silver in a 70-year-old woman. She visited our clinic complaining of chronic fatigue and facial discoloration.
Clinical examination showed a slate-gray hyperpigmentation of the skin, particularly in the face. A skin biopsy was taken
from the forehead. Pathologic examination showed deposition of brown-black granules along the basement membranes
of vasculature and hair follicles in the dermis. This report demonstrates the potential toxicity of colloidal silver found in
dietary supplements.(Korean J Med 73:S1017-S1021, 2007) |
| Key Words:
Argyria, Colloidal silver |
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