Edema Surrounding Benign Tumors and Tumor-Like Lesions

Table 2

Pathology of 300 cases and number of cases with surrounding edema.

Benign tumors and tumor like diseases	Cases	Edema
Osteoid-osteoma	33	31
Osteoblastoma	22	19
Chondroblastoma	27	23
Langerhans cell histiocytosis	32	27
Nonossifying fibroma	31	0
Osteochondroma	24	1
Fibrous dysplasia of bone	23	0
Chondroma	24	0
Simple bone cyst	20	0
Osteoma	21	0
Chondromyxoid fibroma	12	1
Aneurysmal bone cyst	11	2
Ganglion cyst of bone	10	0
Capillary hemangioma of bone	3	3
Epidermoid cyst of bone	7	0