An Indolent Inflammatory Myofibroblastic Tumor of the Conjunctiva

Inflammatory myofibroblastic tumor (IMT) is a mesenchymal neoplasm of intermediate biological potential, predominantly affecting children and young adults. While IMT most commonly involves the lungs, abdomen, pelvis, and retroperitoneum, primary occurrences in the orbit or ocular surface are rare.

Case report.

Here we present a case of a 26-year-old woman with a small, indolent conjunctival IMT harboring anaplastic lymphoma kinase rearrangement. Following surgical resection, the patient showed no evidence of recurrence after 9 months of follow-up. Notably, this report firstly provided anterior segment optical coherence tomography scan and ultrasound biomicroscope images of conjunctival IMT.

IMT should be considered in the differential diagnosis of localized conjunctival lesions unresponsive to steroid therapy. Anterior segment optical coherence tomography and ultrasound biomicroscope serve as valuable tools, aiding in differential diagnosis, surgical planning, and postoperative recurrence monitoring.