Fig. 1From: Primary leiomyosarcoma of the thyroid with concurrent papillary thyroid cancer: a rare case report and a review of literatureA-B Leiomyosarcoma in left lobe. A Spindle cell tumor abutting and infiltrating thyroid follicles (H&E*, original magnification × 40). B Malignant spindle cells with frequent mitotic figures (H&E*, original magnification × 400). C-D Papillary thyroid carcinoma (PTC) in right lobe. C Small well-circumscribed PTC (H&E*, original magnification × 40). D Papillary architecture with nuclear features of PTC (H&E*, original magnification × 400) *Hematoxylin and EosinBack to article page