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Extraskeletal Chondroma in the Middle Ear: A Case Report.
Hiroshi Hyakusoku1,2, Toshihide Inagi2, Aritomo Yamazaki2
1Otorhinolaryngology, Yokosuka Kyosai Hospital, Yokosuka, JPN.
Cureus
|January 12, 2026
Summary
Extraskeletal chondroma, a rare soft tissue tumor, was identified in the middle ear. This case highlights the importance of surgical removal and long-term follow-up for this benign cartilaginous tumor.
Area of Science:
- Otolaryngology
- Pathology
- Surgical Oncology
Background:
- Extraskeletal chondroma (soft tissue chondroma) is a rare benign cartilaginous tumor.
- Typically found in hands and feet, its occurrence in the external auditory canal is exceptionally rare.

