Abstract
To report an unusual case of bilateral aggressive Mooren ulcer that occurred in the setting of bilateral pterygia and showed a relentless course during pregnancy. A 39-year-old woman of Black African ethnicity, 36-week pregnant, presented to the eye casualty with bilateral nasal corneal ulcer and associated melt around preexisting pterygia. A detailed workup including microbial evaluation, culture and sensitivity, polymerase chain reaction for herpes simplex virus, varicella zoster virus, and cytomegalovirus, inflammatory blood profile, autoimmune markers, and human leucocyte antigen (HLA) screening was undertaken. Treatment was initiated in a stepwise approach. Infections and systemic autoimmune and rheumatologic conditions were ruled out. A diagnosis of bilateral Mooren ulcer was made by exclusion. The peripheral blood was positive for HLA DQ2. As the condition seemed refractory to medical management (topical steroids and intravenous pulse methylprednisolone followed by oral prednisolone and topical cyclosporine), urgent bilateral conjunctival resection with multilayered amniotic membrane transplantation was performed to reduce the inflammatory stimulus and keratolysis. Stabilization of the condition warranted the need for systemic immunosuppressive agents. Using a multidisciplinary approach, in liaison with Obstetricians and Rheumatologists, the patient was planned for an earlier elective Cesarean section and commencement of oral mycophenolate mofetil postpartum, which aided in successful control of the disease. Mooren ulcer could follow an aggressive course during pregnancy, especially in the setting of preexisting pterygium. The complex hormonal and immunological changes during pregnancy and the delivery of inflammatory mediators directly onto the cornea by pterygium could contribute to the severity. A well-planned, stepwise, and multidisciplinary management is pivotal for the treatment of this condition.
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