Presentation
A boy with knee pain. No previous trauma.
Patient Data
Age: 10 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Intraosseous lipoma with cystic transformation
![](https://prod-images-static.radiopaedia.org/images/1329121/4906776b7769942b5aa0a9e12ac4a7_thumb.jpg)
![](https://prod-images-static.radiopaedia.org/images/1329128/3b0a468a9749160a1b36c6152c121d_thumb.jpg)
![](https://prod-images-static.radiopaedia.org/images/1329135/f304db40b24aa1e7b85953ad23668c_thumb.jpg)
![](https://prod-images-static.radiopaedia.org/images/1329142/aacbfa16c93a98bae465332cd37ea1_thumb.jpg)
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Info
![](https://prod-images-static.radiopaedia.org/images/1329121/4906776b7769942b5aa0a9e12ac4a7_big_gallery.jpg)
The broad fat halo around the central cyst exposes this lesion as a Milgram type 3 intraosseous lipoma.
Case Discussion
Intraosseous lipomas are benign bone lesions, that may present in an extremely wide age range from 5 to 85 years.