Parosteal Osteosarcoma From a Rib Aminah Jatoi, Maria L Garcia-Moliner, Benedict D.T Daly The Annals of Thoracic Surgery Volume 65, Issue 1, Pages 265-267 (January 1998) DOI: 10.1016/S0003-4975(97)01200-9
Fig. 1 Chest roentgenogram showing a sclerotic mass attached to the inferior base of the fifth rib. The Annals of Thoracic Surgery 1998 65, 265-267DOI: (10.1016/S0003-4975(97)01200-9)
Fig. 2 (A) Resected rib specimen. (B) Histologically, the parosteal osteosarcoma demonstrates parallel, sweeping stroma. Nucleoli are relatively small and mitoses rare, both of which characterize this Broder’s grade I tumor. (Hematoxylin and eosin: ×1,000 before 50% reduction.) The Annals of Thoracic Surgery 1998 65, 265-267DOI: (10.1016/S0003-4975(97)01200-9)