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Implantation and Evaluation of Melanoma in the Murine Choroid via Optical Coherence Tomography
Published on: December 2, 2022
Bilateral metastatic melanoma to the extraocular-muscles simulating thyroid eye disease
Ana Catarina Almeida1, Adrian Fung, Marta Esteves Guedes
1Hospital de Egas Moniz-Centro Hospitalar de Lisboa Ocidental, Lisbon, Portugal.
Abstract:
We report a case of bilateral metastatic melanoma to the extraocular muscles that simulated thyroid eye disease. A 71-year-old man presented with bilateral painless axial proptosis, lid retraction and left gaze restriction. Orbital CT scan demonstrated enlargement of the extraocular muscles with tendon sparing, consistent with thyroid eye disease. However, thyroid function tests and antithyroid antibodies were normal. Systemic review including orbital MRI scan determined the correct diagnosis of metastatic melanoma to the orbit. Metastatic melanoma to the orbit can simulate thyroid eye disease.
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