Fig. 3
From: Primary thyroid chondrosarcoma: a case report of an extremely rare malignancy
A Tumor formed of lobules of malignant chondrocytes embedded in a chondroid matrix and separated by fibrous septa, H&E 100×. B Tumor cells were negative for thyroglobulin in contrast to entrapped thyroid follicles which were positive for thyroglobulin 200×. C Tumor cells were negative for TTF-1, 400×. D Tumor cells were negative for PAX-8, 400×. E Tumor cells were negative for CK, 400×