Evaluation of Plasma-Assisted Noninvasive Surgery (PANIS) as a New Technique for Sublimating Large Benign Conjunctival Nevus with Amniotic Membrane Transplantation (AMT); A Clinical Case Report

Author(s): Farhad Nejat, Khosrow Jadidi, Shima Eghtedari, Maryam Moradi, Nazanin Sadat Nabavi.

Background: Conjunctival nevi are benign ocular lesions with a low risk of malignant transformation to melanoma. Due to cosmetic reasons patients usually consider surgical removal options. In this case report, we are presenting a new approach using plasma-assisted noninvasive surgery (PANIS) with amniotic membrane transplantation (AMT) to sublimate the nevus border and fuse the AMT with the remaining conjunctiva.

Case presentation: A 33-year-old man with a history of large conjunctival nevus in his left eye, that its benignity was proved by an expert ophthalmologist through years of examination, has visited our center in September 2020. Plasma spots were used to sublimate the nevus border and fuse AMT with the conjunctiva. The patient was discharged fully satisfied without any complications and no recurrences were seen in a year of follow-up. Visual parameters were not significantly changed while the Ocular Surface Disease Index (OSDI) was reduced dramatically.

Conclusion: Conjunctival nevi removal using the PANIS method with AMT is a safe, minimally invasive, and inexpensive therapeutic option. Plasma spots are suitable for AMT adhesion to the remaining conjunctiva after the nevus removal.

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