Ulcerative inflammation of the cornea occurs in the perilimbal cornea, and is associated with autoimmune collagen vascular and arthritic diseases. Rheumatoid arthritis is the most frequent underlying disease. The tendency for peripheral location is due to the distinct morphologic and immunologic characteristics of the limbal conjunctiva, which provides access for circulating immune complexes to...

Oral manifestations may be the earliest indicators of HIV infection as it has strong association with oral candidiasis, hairy leukoplakia, linear gingival erythema, necrotizing ulcerative gingivitis, periodontitis, Kaposi sarcoma, and lymphoma. Other conditions such diffuse infiltrative lymphocytosis syndrome, benign lymphoepithelial cyst, salivary gland neoplasm have also been reported in pati...