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Case 179. Protothecosis (66 y-o M) |
Biopsy from an irregular infiltrative nodule on the dorsum of the hand of a farmer who cultivates Japanese oranges | |||
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Protothecosis is a rare infection by achlorophilic algae, resulting from traumatic innoculation. Epithelioid granulomas with central necrosis are formed in the dermis (HE). | ||
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