Use of thermography in the diagnosis of deep vein thrombosis.

We attempted to evaluate the use of liquid crystal thermography (LCT) as a screening tool in the detection of deep venous thrombosis (DVT) in the lower extremities. Forty patients were examined with LCT and venography. A venogram was used as the standard by which the LCT results were compared. Liquid crystal thermography had a sensitivity of 70% and a specificity of 50%, and it was found not to have a greater accuracy than clinical examination.