Thyroiditis and oncocytic carcinoma: incidental association?
In the present case, the clinical and ultrasound history suggest the development of a malignant lesion strictly related to thyroiditis, as previously reported by other studies on papillary carcinoma. A cause-effect relationship between chronic lymphocytic thyroiditis and oncocytic neoplasia is still a matter of controversy. Therefore, patients suffering from chronic thyroiditis require a careful follow-up and, in case of nodules development, FNAC is recommended.
The subchondral granulation tissue carries osteoblasts, which promote new bone formation, leading to intraarticular ankylosis of the facet joints in AS.