Currently, the genetic or environmental factors that predispose an individual for<unk>  are not well known or understood.<unk>  affects males more often than females at a ratio of 2:1 in most clinical reports. Furthermore, it is most often observed in young patients that are skeletally immature, with most cases diagnosed in the second decade of life. Approximately 92% of patients presenting with<unk>  are younger than 30 years. There is no indication of a racial predilection for<unk> .
Chondroblastoma
Mycetoma
Esthesioneuroblastoma
Ganglioneuroblastoma
Myelolipoma
Lipoblastoma
Myxoid cyst
Brown tumor