1. Weiss SW, Goldblum JR, Enzinger FM (2008) Enzinger and Weiss's soft tissue tumors. Mosby Elsevier, Philadelphia
2. Adachi M, Wellmann KF, Garcia R (1969) Metastatic leiomyosarcoma in brain and heart. J Pathol 98: 294–296.
3. Kawahara E, Nakanishi I, Terahata S, Ikegaki S (1988) Leiomyosarcoma of the thyroid gland. A case report with a comparative study of five cases of anaplastic carcinoma. Cancer 62: 2558–2563
4. Kaur A, Jayaram G (1990) Thyroid tumors: cytomorphology of medullary, clinically anaplastic, and miscellaneous thyroid neoplasms. Diagn Cytopathol 6:383–389
5. Iida Y, Katoh R, Yoshioka M, Oyama T, Kawaoi A (1993) Primary leiomyosarcoma of the thyroid gland. Acta Pathol Jpn 43:71–75