The diagnosis is usually made by tissue biopsy, however this cannot reliably distinguish between the granulomas of<unk>  and those of Crohn disease or sarcoidosis. Other causes of granulomatous inflammation are ruled out, such as sarcoidosis, Crohn disease, allergic or foreign body reactions and mycobacterial infections. Classification<unk>  could be classified as a type of cheilitis (lip inflammation), hence the alternative names for the condition using the word cheilitis, and a granulomatous condition.
Orofacial granulomatosis
Cutaneous lupus mucinosis
Pemphigus erythematosus
Atopic dermatitis
Drug-induced angioedema
Streptococcal intertrigo
Drug-induced urticaria
Pemphigus