真しん珠じゅ腫しゅ

noun

cholesteatoma; pearl tumor

Medical term for an abnormal skin growth in the middle ear, often appearing as a cyst.

• 真しん珠じゅ腫しゅは手しゅ術じゅつで取とり除のぞくことが多おおい。

  Cholesteatomas are often removed surgically.