<unk>  can cause hard and fixed neck mass, painless goiter, dysphagia, dyspnea, hoarseness. If thyroid gland releases less amount of thyroid hormones it can result in hypothyroidism and symptoms such as cold intolerance, constipation, fatigue, weight gain, dry skin, and mood changes.<unk>  is thought to be due to the autoimmunity and infiltration of lymphocytes in the thyroid gland. Family history and the presence of other autoimmune diseases predispose an individual towards the development of<unk> . Diagnosis is usually made by biopsy and histopathological analysis. Other important factors in the diagnosis are history and physical examination, thyroid function tests, ESR, imaging studies such as CT and MRI, iodine-123 uptake. Pharmacological medical therapies for<unk>  include corticosteroids and tamoxifen. Thyroid debulking surgery is performed in<unk>  in patients with compressive symptoms. Complications of<unk>  include hoarseness, stridor, dysphagia, hypothyroidism, hypoparathyroidism, and occlusive phlebitis.
Riedel's thyroiditis
De Quervain's thyroiditis
Hashimoto's thyroiditis
Silent thyroiditis
Postpartum thyroiditis
Graves' disease
Follicular thyroid cancer
Primary thyroid lymphoma