Presentation
Sever pain in left ankle with no history of trauma.
Patient Data
Age: 20 years
Gender: Male
From the case:
Giant cell tumor with CT guidance biopsy
![](https://prod-images-static.radiopaedia.org/images/1650645/bc42b9a08f1549cbd5f9defe00e8c2bd3d71ebaa667ff6742b73ca81e50e8af0_thumb.jpeg)
![](https://prod-images-static.radiopaedia.org/images/1650652/f3182cebb62edfa441292e0aafb80363865bfbf44e455824dd86587c2d01d9ee_thumb.jpeg)
![](https://prod-images-static.radiopaedia.org/images/1650659/308ca4a4bf6dd8198070840082e6db97adf5bdc2a032359e5dfa4329d11dda6c_thumb.jpeg)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/1650645/bc42b9a08f1549cbd5f9defe00e8c2bd3d71ebaa667ff6742b73ca81e50e8af0_big_gallery.jpeg)
An expansile subtle lytic lesion in the navicular bone.
From the case:
Giant cell tumor with CT guidance biopsy
![](https://prod-images-static.radiopaedia.org/images/1650698/edb86a769d4c3fddbb8627538a4afbac7d9d489afca6d00b08e28922d8f60231_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1650906/8d702aa7f097765006a8dbfb4983b8e866db5926b94ea862ec4ece11b2309bc2_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1651038/af8f0d7a8e9c3c3fde001e7e0bc9fac799abdbc781594479bfc3e3347a48e190_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1651123/9ea4528adcc14035e5ab34a1f86d8d448ff818b1c963ef78fc8ff26c90b2f7a3_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1651319/eb52c2f620e586e8005ffbfdb2c65f66d1a2d8dc5863dd1ad58b8652b5390510_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1651482/2308dc2d2af6297e05e69d0b21e33a65e3bef35d774d9e6754f61f2dde12f993_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1651589/0dfbb2f76aebaacb2112740afc76d7ce08f1a24b1c87a17c2c2885f0c77fb249_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1652004/9cf5514b309e61980f9ae472f4fd11aeff4344768c0824596f48195a55faa96a_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/1650698/edb86a769d4c3fddbb8627538a4afbac7d9d489afca6d00b08e28922d8f60231_big_gallery.jpeg)
An expansile lesion in the navicular bone with internal and superior soft tissue components.
![](https://prod-images-static.radiopaedia.org/images/1655781/4d99e61bfa61fd65bffeb3af40b20e77e37a6d42eaa33ab49d4d3e8696eb2055_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/1658088/5602a3c446bfa7d2290c991753428c25bfcc390846c50085d9be23cacec4ad6b_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/1655781/4d99e61bfa61fd65bffeb3af40b20e77e37a6d42eaa33ab49d4d3e8696eb2055_big_gallery.jpeg)
Bone window CT scan images show the epicenter of the mass within the navicular bone.
From the case:
Giant cell tumor with CT guidance biopsy
![](https://prod-images-static.radiopaedia.org/images/1655938/d0073cda29f5ca65902ae5638c040a8a7ecdcd7fa2bdafb82955b631d25cf067_thumb.jpeg)
![](https://prod-images-static.radiopaedia.org/images/1655939/83fe53e0e4152faa2f345f6a1111c032adcf754c9ac21a9f91064e5ec93627b1_thumb.jpeg)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/1655938/d0073cda29f5ca65902ae5638c040a8a7ecdcd7fa2bdafb82955b631d25cf067_big_gallery.jpeg)
Status post packing of the navicular bone.