Dense calcification is found in all except -

Ans. is 'c' i.e., Synovial sarcoma* Dense, homogenous mineralization (calcification) is typical of osteoid matrix, formed by benign and malignant bone-forming lesions. However, osteoid matrix is not always mineralized.* Calcified rings and arcs, dense punctate calcification, and flocculent calcification (small, loosely aggregated masses) are pattern of mineralization ofchondroid matrix, formed by benign and malignant cartilage forming tumors. Osteoid matrixChondroid matrixBenignOsteoid, osteoma, osteoblastoma, bone islandsOsteochondroma, chondroblastoma, endochondroma, Chondromyxoid fibromaMalignantOsteosarcomaChondrosarcoma