chondroblastoma

Introduction

benign cartilage producing neoplasm usually arising in skeletally immature epiphyses

Epidemiology

• < 1% of all bone tumors
• > 75% involve long bones
• most between 10 and 25 years of age

Pathology

Immunohistochemistry:

• vimentin: +

S100: +

• NSE: +
• CD68 -
• potential for aberrant cytokeratin expression (CK7, CK8, CK18, CK19)

More general terms

• chondroid neoplasm (cartilage neoplasm)

Patient information

chondroblastoma patient information