chondroblastoma

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chondroblastoma

 [kon″dro-blas-to´mah]
a benign tumor arising from young chondroblasts in the epiphysis of a bone.

chon·dro·blas·to·ma

(kon'drō-blas-tō'mă),
A benign tumor arising in the epiphyses of long bones, consisting of highly cellular tissue resembling fetal cartilage.

chondroblastoma

/chon·dro·blas·to·ma/ (kon″dro-blas-to´mah) a usually benign tumor derived from immature cartilage cells, occurring primarily in the epiphyses of adolescents.

chondroblastoma

[kon′drōblastō′mə] pl. chondroblastomas, chondroblastomata,
a benign tumor, derived from precursors of cartilage cells, that develops most frequently in epiphyses of the femur and humerus, especially in young men. The lesions may contain scattered areas of calcification and necrosis. Also called Codman's tumor.

chondroblastoma

A benign tumour that arises in the epiphysis or in secondary ossification centres of long bones (humerus, proximal and distal femur, proximal tibia) of young adults (< age 30).

Imaging
Well-defined lytic lesion with a fluffy cotton-wool appearance, ± sclerotic border.

chon·dro·blas·to·ma

(kon'drō-blas-tō'mă)
A benign tumor arising in the epiphyses of long bones, consisting of highly cellular tissue resembling fetal cartilage.

chondroblastoma

uncommon, painful or asymptomatic benign bone lesion of knee, talus and calcaneum, presenting on radiograph as a clearly defined round or oval bone lesion with a sclerotic border (see Table 1)
Table 1: Tumours arising in bone
Bone tumour typeExamples occurring in lower limb/foot
BenignAneurysmal bone cyst
Solitary osteochondroma
Simple/solitary bone cyst
Osteoid osteoma
Giant-cell tumour
Enchondroma
Chondroblastoma
MalignantChondrosarcoma
Ewing's sarcoma
Osteogenic sarcoma

chondroblastoma

a benign tumor arising from young chondroblasts in the epiphysis of a bone.