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 　
　 　 　 　

　

 　 Closer view of necrotizing epithelioid granuloma in the dermis, resembling granulomatous lesions of other causes (HE). Pathogens are difficult to see in H&E preparation in this case.