Hashimoto’s Thyroiditis Following Graves’ Disease  

Oleh:

Umar, Husaini ; Muallima, Nur ; Adam, John MF. ; Sanusi, Harsinen

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Acta Medica Indonesiana vol. 42 no. 01 (Jan. 2010), page 31-35.
Topik: hashimoto’s thyroiditis; graves' disease; TSH receptor antibody (TRAb); TSH stimulation on-blocking antibody (SSBAb)
Fulltext: 31-35.pdf (156.16KB)

Ketersediaan

Perpustakaan FK Nomor Panggil: A02.K.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

Both Graves' disease and chronic thyroiditis (Hashimoto’s thyroiditis) are autoimmune diseases of thyroid gland. Graves' disease is caused by stimulation of TSH receptor located on the thyroid gland by an antibody, which is known as TSH receptor antibody (TRAb). Furthermore, this may lead to hyperplasia and hyperfunction of the thyroid gland. On the contrary, the cause of Hashimoto’s thyroiditis is thought due to a TSH stimulation-blocking antibody (TSBAb) which blocks the action of TSH hormone and subsequently brings damage and atrophy to thyroid gland. Approximately 15-20% of patients with Graves' disease had been reported to have spontaneous hypothyroidism resulting from the chronic thyroiditis (Hashimoto’s disease). Pathogenesis for chronic thyroiditis following anti-thyroid drug treatment in patients with Graves' disease remains unclear. It has been estimated that chronic thyroiditis or Hashimoto’s disease, which occurs following the Graves' disease episode is due to extended immune response in Graves' disease. It includes the immune response to endogenous thyroid antigens, i.e. thyroid peroxidase and thyroglobulin, which may enhance lymphocyte infiltration and finally causes Hashimoto’s thyroiditis. We report four cases of chronic thyroiditis (Hashimoto’s disease) in patients who have been previously diagnosed with Graves' hyperthyroidism. In three cases, Hashimoto’s thyroiditis occurs in 7 to 25 years after the treatment of Grave’s disease; while the other case has it only after few months of Grave’s disease treatment. The diagnosis of Hashimoto’s disease (chronic thyroiditis) was based on clinical manifestation, high TSHs level, positive thyroid peroxidase antibody and thyroglobulin antibody, and supported by positive results of fine needle aspiration biopsy. Moreover, the result of histopathological test has also confirmed the diagnosis in two cases. All cases have been successfully treated by levothyroxine treatment.

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