Diagnosis of Grave's disease with pulmonary hypertension on chest CT.

Objective: To evaluate the diagnostic accuracy of chest CT findings to diagnose Grave's disease in pulmonary hypertension.

Methods: We retrospectively evaluated chest CT and the medical records of 13 patients with Grave's disease with (n=6) or without pulmonary hypertension (n=7) and in 17 control patients.

Results: Presence of iso-attenuation of diffusely enlarged thyroid glands compared with adjacent neck muscle on non-enhanced CT as a diagnostic clue of Grave's disease, and assessment of pulmonary hypertension on CT has high diagnostic accuracy.

Conclusion: Chest CT has the potential to diagnose Grave's disease with pulmonary hypertension in the absence of other information.