Osteoma - skull vault

Case contributed by Dr Ganesh Sanap

Presentation

Painless swelling on left side of scalp.

Patient Data

Age: 15-year-old
Gender: Male
CT

A well defined hyerdense bony lesion 1.5 x 1.2 cm in size in outer table of left parietal bone near the coronal suture without surrounding soft tissue.

Case Discussion

Osteomas should be distinguished from osteochondromas, which has a cartilaginous (lucent) area and occasional speckled foci of calcified cartilage matrix.

Osteochondromas may have marrow contained within the stalk which is continuous with the marrow cavity of the parent bone. Osteomas do not have a marrow cavity.

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Case information

rID: 45702
Case created: 4th Jun 2016
Last edited: 5th Jun 2016
System: Head & Neck
Inclusion in quiz mode: Included

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