Facial discoid lupus erythematosus complicated by a Candida tropicalis fungal granuloma in a patient with rhupus syndrome: a case report of successful treatment with oral itraconazole - Lingling Dong; Ting Zhang; Tong Hua; Yan Wang; Zhenhua Nie; Qingkang Lyu; Zuotao Zhao (Frontiers in Medicine, 2026)