Rammohan Vadapalli MD, Presenter: Nothing to Disclose

Harshavardhan KR MD, Abstract Co-Author: Nothing to Disclose

Prasad Guntuluri, Abstract Co-Author: Nothing to Disclose

Anuj Jain MD, Abstract Co-Author: Nothing to Disclose

Abhinav Sriram Sriram Vadapalli, Abstract Co-Author: Nothing to Disclose

Rashmi Sudhir MBBS, Abstract Co-Author: Nothing to Disclose

    Telangiectatic osteosarcoma was described by Paget in 1854 and was subsequently referred to by Gaylord as a “malignant bone aneurysm” in 1903 . . This subtype of osteosarcoma is well recognized,representing 2.5%–12.0% of all lesions . Characteristically, telangiectatic osteosarcoma is primarily (>90%) composed of multiple aneurysmally dilated cavities that contain blood, with viable high-grade sarcomatous cells 1.To enlist the Non-Conventional Sub types of Osteo Sarcomas and discuss the characterstic features of TOS 2.To describe broadly the Imaging patterns of Telengiectatic OS on Radiography, CT and MRI and discuss the differential diagnosis  

Content organization: -Radiography and CT patterns of TOS are discussed namely 1)Geographic bone destruction 2) Permeative Moth eaten Pattern 3) Expansile remodelling or aneurysmal remodelling.(ABC pattern) 4)Parallel Striation Pattern(due to Hyper trophied Veins- Venol’s Sign) 5) Pathological fracture with Advanced cortical destruction Pattern -MRI features of TOS are illustrated with Differential Diagnosis and radio Pathological Correlation in typical and Uncommon sites. -Differentiation of TOS from ABC is discussed with Helpful teaching points.  

http://abstract.rsna.org/uploads/2014/14009523/14009523_yg45.pdf

Vadapalli, R, KR, H, Guntuluri, P, Jain, A, Vadapalli, A, Sudhir, R, Imaging of Telangiectatic OS revisited: A Pattern Recognition Approach.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14009523.html