Limbal nodule

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)
• malignant melanoma

References

• Ocular Applications of the Fugo Blade. Lippincott Williams & Wilkins. 2010. p. 42. ISBN 1605478881. http://books.google.com/books?id=TNn4Gs406FkC&pg=PA320&dq=%22Limbal+nodule%22&hl=en&ei=VmQRTeasCoP7lwecw5HKCw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCMQ6AEwAA#v=onepage&q=%22Limbal%20nodule%22&f=false.