Histopathological Evaluation of Behçet's Disease and Identification of New Skin Lesions

Table 1

Diagnostic criteria of Behçet’s disease defined by International Study Group.

Mucocutaneous lesions	Description
Recurrent oral ulceration	Minor, aphthous, major aphthous, or herpetiform ulceration observed by physician or patient that recurred at least 3 times in one 12-month period
Plus 2 of the following criteria:
Recurrent genital ulceration	Aphthous ulceration or scarring observed by physician or patient
Eye lesions	Anterior uveitis, posterior uveitis, cells in vitreous on slit lamp examination, or retinal vasculitis observed by ophthalmologist
Cutaneous lesions	Erythema nodosum, pseudofolliculitis, papulopustular lesions, or acneiform nodules observed by physician in postadolescent patients not receiving corticosteroid treatment
Positive pathergy test	Read by physician at 24 to 48 hours