Limbal nodule

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A limbal nodule is a non-specific term describing 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)
• Conjunctival tumors, etc.