Limbal nodule

A limbal nodule is any nodular lesion at the limbus (junction of the cornea and sclera) of the eye.

The differential diagnosis for a limbal nodule can include:


 * Pinguecula
 * Early Pterygium
 * Foreign body / foreign body granuloma
 * Phlycten, an inflamed nodule of lymphoid tissue
 * Episcleritis
 * Scleritis
 * Granuloma
 * Limbal dermoid, a kind of choristoma (NB: in other organs dermoid can refer to a teratoma)
 * malignant melanoma
 * naevus