Limbal nodule explained

Specialty:	ophthalmology

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

References

• Book: Ocular Applications of the Fugo Blade. Hampton Roy . Daljit Singh . Richard J. Fugo . 2010. Lippincott Williams & Wilkins. 978-1-60547-888-3. 42.