Primary Tuberculosis of thyroid gland

Tuberculosis of thyroid gland is rare entity and primary involvement of thyroid is still rarer, even in the endemic areas. The clinical case may mimic toxic goitre, hashimoto’s thyroiditis, bacterial or fungal infection. Sometimes thyroid malignancy may be mistaken for thyroid tuberculosis. Our patient who presented with fever, diffuse goitre with positive mantoux and histopathology revealed caseous necrosis and positive for acid fast bacilli, compatible with tuberculosis.