Kamla, age 48 yrs, presents with unilateral mild axial proptosis. There is no redness or pain. Investigation of choice is :: (A) T3 &T4 measurements to rule out thyrotoxicosis, (B) CT scan to rule out meningioma, (C) Doppler to rule out hemangioma, (D) USG to rule out orbital pseudotumor
Answer is A. A i.e. T3 & T4 measurement to rule out thyrotoxicosis