Overlap of Limited Cutaneous Systemic Sclerosis with Ocular Myasthenia Gravis- Report of a Case and a Brief Review of Literature.

A 39-year-old woman with a 4-year history of limited cutaneous systemic sclerosis (lcSSc) and no prior exposure to D-penicillamine presented with bilateral fluctuating ptosis of 1 week duration. On evaluation, she was found to have elevated acetylcholine receptor antibody levels and a positive neostigmine test confirming the diagnosis of ocular myasthenia gravis (MG). The patient was treated with oral prednisolone and pyridostigmine resulting in significant improvement within 2 weeks.