"Osteoid osteoma"의 두 판 사이의 차이
| 9번째 줄: | 9번째 줄: | ||
==Image features== | ==Image features== | ||
| − | *small, round lucency nidus(<1~1.5 cm in diameter) with a sclerotic margin | + | *small, round lucency nidus(<1~1.5 cm in diameter) with a sclerotic margin in [[long bone]], [[diaphysis]] [[cortex]] |
==감별 질환== | ==감별 질환== | ||
2021년 3월 30일 (화) 16:06 판
Osteoid osteoma은 benign bone tumor로 a small radiolucent nidus가 특징인 종양이다.
임상 양상
- 10대, M(2-3배)>F
- Leg pain: quickly resolves(within 20 to 25 minutes) with NSAID
- The proximal femur(m/c)>tibia
- usually a solitary tumor.
Image features
- small, round lucency nidus(<1~1.5 cm in diameter) with a sclerotic margin in long bone, diaphysis cortex
감별 질환
- stress fracture
- subacute/chronic osteomyelitis with intracortical abscess
- osteoblastoma