Nonossifying fibroma/Fibrous cortical defect

Wikis > General Medicine > Oncology > Fibrous Tumours > Nonossifying fibroma/Fibrous cortical defect

Nonossifying fibroma/Fibrous cortical defect:
Common benign bone/connective tissue lesion – due to a defect of periosteal cortical bone development  failure of ossification; usually asymptomatic; may cause pathological fractures.
May be due to trauma (possibly unrecognised) to periosteum
X-ray – well marginated radiolucent lesion with distinct multilocular appearance – surrounded by irregular and reactive rim of bone.
Usually self limited and often heals over time

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