Fig. 1From: Subacute thyroiditis presenting as simple acute headache was misdiagnosed as meningitis: case report and literature reviewDiffuse hypoechoic areas of bilateral thyroid gland. Transverse view of the left thyroid gland (a). Longitudinal view of the left thyroid gland (b). Transverse view of the right thyroid gland (c). Longitudinal view of the right thyroid gland (d)Back to article page