Neurofibromatosis Type 1 Associated with Hashimoto's Thyroiditis.

Hashimoto's thyroiditis is a common form of chronic autoimmune thyroid disease (AITD) and it often coexists with other autoimmune diseases, but Hashimoto's thyroiditis associated with an autosomal dominant neurofibromatosis type 1 is exceedingly rare. A 30-year-old woman presented with complaints of headache for 1 year on and off. Physical examination revealed nodular swelling in the neck, cafe-au-lait spots, and neurofibromas covering the entire surface of her body.