Objective To study the role of cellular immunity in pathogenesis of erythema nodosum and nodular vasculitis.
目得研究结节性红斑，结节性血管炎患者细胞免疫功能。

A60 year old female complained of erythema at left knee joint for60 years and nodules and ulceration for4 years.
患者女，60岁，左膝关节红斑60年，结节破溃4年。

Physical examination reveals greasy scaling on the scalp and erythema with yellowish scales in the nasolabial creases.
体检显示出油腻缩放的头皮和红斑与黄表的鼻唇沟折痕。

Results The main manifestations in erythema stage were erythema, papules, and showed no special changes in histolgogy.
结果红斑期表现为红斑，丘疹，病理无特异性。

The clinical manifestations included erythema, erosion and white patch in the oral cavity and the tongue, and ingestion of the pharynx.
主要表现为口腔粘膜及舌部红斑、烂、斑和咽部充血。