Soap bubble appearance on X-Ray is the classical presentation of which of the tumors
|A||Synovial cell sarcoma|
|D||Osteoclastoma (giant cell tumor)|
Osteoclastoma (giant cell tumor)
a. The tumor on X-ray reveals as a large sharply circumscribed area of reduced density asymmetrically located in the epiphysis beginning subcortically and extending toward the metaphysis.
b. The cortex is expanded outward and is thinned. No periosteal new bone formation is apparent. Multiple septae of bone and soft tissue traverse the interior and produce a characteristic "soap bubble" appearance.