This axial (cross sectional) T2 weighted MR image shows a mass in the fourth ventricle with heterogeneous increased signal. This represents an epidermoid cyst which is a congenital lesion consisting of keratinized epithelium with desquamation. These expand/grow over time. This is the same as a congenital cholesteatoma. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Living Art Enterprises, LLC |
Taille de l’image : | 3900 px × 4547 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |