Case 170. Reference case 170C

　 　 　 　
　 Pheohyphomycosis (pheo = brown). An encapsulated paraarticular 5 mm nodule seen in the middle finger (67 y-o M). 　
　 　 　 　

　

 　 Subcutaneous cyst formation is the most common presentation of pheohyphomycosis. The lesion is composed of geographical mixture of abscess and epithelioid granuloma (HE, low power).