the following is the list of tumors which histologically show the osteoclastic giant cells and are therefore called the giant cell variants .
1 - aneurysmal bone cyst
4- unicameral bone cyst
5- chondromyxoid fibroma
6- non osteogenic fibroma
7- fibrous dysplasia
8- brown tumor of hyperparathyroidism .
----- the osteoclastoma is otherwise called the giant cell tumor .