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Classification according to ICD-10
D16 Benign neoplasm of bone and articular cartilage
ICD-10 online (WHO version 2019)

Osteomas are benign bone tumors . They grow slowly and consist of a localized new formation of bone substance. Most often they arise in the area of ​​the skull , especially in the paranasal sinuses .


Since they usually do not cause any symptoms, they are often only discovered by chance when the bone has increased in size. They are often detected in the X-ray image , where they are shadowy and sharply delimited. With their ivory color, they often stand out from the rest of the bone tissue. Under the microscope , mature and completely mineralized bone tissue with layers arranged in lamellae can be seen.

Osteomas can indicate intestinal polyposis ( Gardner syndrome ).

See also


  • Heuck, Wörtler, Vestring: Radiology of bone and joint diseases: primary and secondary bone tumors . Thieme Verlag, 1997, ISBN 3-13-107071-4 .

Web links

Commons : Osteoma  - Collection of pictures, videos and audio files