Histopathologic examination of the early lesion for definite diagnosis showed deposition of a homogeneous fibrinoid material within blood vessels of dermis.
Histopathologic examination of the early lesion for definite diagnosis showed deposition of a homogeneous fibrinoid material within blood vessels of dermis.
早期病灶之组织病理学检查可见均句之纤维原状物质，沈积于真皮层之血管中。