AI Article Synopsis
- Extraskeletal chondroma includes types like synovial chondromatosis and soft tissue chondroma, but cases in the hand are quite uncommon.
- A 42-year-old woman presented with a painless mass near her right fourth MCP joint, which showed soft tissue swelling on X-rays and a lobulated mass on MRI, leading doctors to initially rule out cartilage-forming tumors.
- The mass was successfully removed without complications, and histological analysis confirmed it as an intracapsular chondroma, highlighting the importance of considering this rare diagnosis in hand tumors.
Article Abstract
Extraskeletal chondroma comprises synovial chondromatosis, intracapsular chondroma and soft tissue chondroma, its presentation in the hand, however, is very rare. A 42-year-old woman presented with a mass around right fourth metacarpophalangeal (MCP) joint. She had no pain or discomfort in activities. The radiographs showed soft tissue swelling, but no calcification or ossifying lesions. The magnetic resonance imaging (MRI) showed a lobulated juxta-cortical encircling mass existing around the fourth MCP joint. We did not suspect any cartilage-forming tumour in MRI. The mass was easily removed because there was no adhesion with surrounding tissues and the specimen had the appearance of a cartilage. The histological diagnosis was chondroma. Based on the tumour location and histological results, we diagnosed it as intracapsular chondroma. Although intracapsular chondroma is very rare-ly seen in the hands, it is important to consider an intracapsular chondroma when differentiating a tumour in the hand because it is difficult to diagnose one in an imaging examination. Level V (Therapeutic).
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Article Synopsis
- Extraskeletal chondroma includes types like synovial chondromatosis and soft tissue chondroma, but cases in the hand are quite uncommon.
- A 42-year-old woman presented with a painless mass near her right fourth MCP joint, which showed soft tissue swelling on X-rays and a lobulated mass on MRI, leading doctors to initially rule out cartilage-forming tumors.
- The mass was successfully removed without complications, and histological analysis confirmed it as an intracapsular chondroma, highlighting the importance of considering this rare diagnosis in hand tumors.
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