Which one of the following is the investigation of choice for suspected deep vein thrombosis of the lower extremity ?: (A) Radioactive labelled fibrinogen uptake, (B) Ascending contrast phlebography, (C) D-dimer estimation, (D) Duplex ultrasonography
Answer is D. Venous duplex ultrasonography is commonly performed to look for evidence of thromboembolism in superficial or deep venous system if lowe limbs. Reference:Bailey and love, 27th edition, page 988