Kamla, age 48 yrs, presents with unilateral mild axial proptosis. There is no redness or pain. Investigation of choice is -
Most common cause of proptosis in adult is thyroid ophthalmopathy and most cases are due to graves’ disease (thyrotoxicosis). Therefore T3 & T4 measurement should be done.
T3 & T4 measurement to rule out thyrotoxicosis
CT scan to rule out meningioma
Doppler to rule out hemangioma
USG to rule out orbital pseudotumor