SEX PREDOMINANCE OF BONE LESIONS

Male PredominanceRatio*         No Predominance         Female Predominance
Malignant    PNET >2:1 AdamantinomaParosteal osteosarcoma   slight
Osteosarcoma, telangiectatic   slight
Chondrosarcoma 2:1
Chordoma 2:1
Osteosarcoma, conventional slight
Ewing sarcoma slight
Myelomaslight
Lymphoma of bone slight
MFH of bone slight
Benign    Simple cyst 3:1Enchondroma Giant cell tumorslight
Osteoid osteoma 3:1 Fibrous dysplasia Aneurysmal bone cystslight
Osteoblastoma 2:1 Hemangioma
Osteochondroma2:1
Periosteal chondroma2:1
Chondroblastoma2:1
Chondromyxoid fibroma2:1
Fibrous cortical defect2:1
Nonossifying fibroma2:1
Eosinophilic granuloma2:1
Desmoplastic fibromaslight
Intraosseous lipomaslight
Intraosseous ganglionslight


PNET = primitive neuroectodermal tumor;    MFH = malignant fibrous histiocytoma.

* Ratios are approximate and rounded.


Source: 1. Unni KK: Dahlin's Bone Tumors. General Aspects and Data on 11,087 Cases. (ed 5). Philadelphia: Lippincott-Raven, 1996
2. Fechner RE, Mills SE: Tumors of the Bones and Joints. Washington DC, Armed Forces Institute of Pathology, 1993