Metastatic follicular carcinoma of thyroid mimicking primary bone tumor
Krishnakiran K, Vineeta Srivastava, Hema Malini Iyer and Manoj Pandey
World Journal of Pathology 2012, 1:2
Introduction: Follicular carcinoma of the thyroid metastasize to bones very commonly, however, its presentation as a long standing soft tissue mass is rare.
Case presentation: A 74 year old lady presented with slowly progressive swelling in the gluteal region for 10 years with sudden increase in size for last two months. Biopsy showed it to be a metastasis from follicular thyroid carcinoma. Search for the primary revealed two occult nodule in thyroid. Patient was treated with total thyroidectomy followed by radio iodine ablation.
Conclusion: Presentation of thyroid carcinoma as primary bone and soft tissue tumor is rare and mimic primary bone tumor or soft tissue sarcoma. Treatment is by Total thyroidectomy followed by radio iodine ablation.