Osteoma

Osteoma
Diagnosis in short
LM	benign (normal) bone
LM DDx	normal bone
Site	bone
Syndromes	familial adenomatous polyposis
Prevalence	common
Prognosis	benign
Treatment	excise if symptomatic or growing

Osteoma is a benign chondro-osseous tumour that may be seen in the context of familial adenomatous polyposis.

General

• Benign.
• May be associated with familial adenomatous polyposis.
• Normal bone - unusual location/outgrowth.

Microscopic

Features:

• Normal bone.

Note:

• Correlation with radiologic findings is essential.

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Submitted as "Left Frontal Skull Tumour", Excision:
- Benign bone, compatible with osteoma.

See also

• Chondro-osseous tumours.