Iris Nodules and Its Pathology

· Lisch nodule, neural crest hamartoma: NF 1

· JXG nodules are composed of histiocytes and Touton giant cells: JXG

· Koeppe nodules are collections of inflammatory cells, near pupillary margin: granulomatous and non-granulomatous uvetis

· Bassaca Nodules are seen at base: only in granulomatous uveitis (sarcoid, Tb, syphilis, VKH); often look gelatinous

Written by Dr. Dhaval Patel, MD (Ophthalmology, AIIMS New Delhi)

Consultant, Cataract & Refractive Surgery — first AIIMS-trained ophthalmologist practicing in Ahmedabad. Read full credentials & experience or view his 28 publications on ResearchGate.

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