Patient details - Key images

The images below illustrate this case for diagnoses Epidermoid cyst, for the modalities (MRI ,CT)

Gamuts for this case : :

• Infratentorial extra axial lesion
• Infratentorial T2W or FLAIR hyperintense lesion
• DWI hyperintense lesion
• Infratentorial T1W hyperintense lesion
• Osteolytic skull lesion
• Middle ear or mastoid osteolysis
• Temporal bone osteolysis or demineralisation
• Hypodense infratentorial lesion on noncontrast CT

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Infratentorial peri cerebral spaces, with gamuts Infratentorial extra axial lesionPosterior fossa, with gamuts Infratentorial T2W or FLAIR hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts DWI hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Infratentorial peri cerebral spaces, with gamuts Infratentorial extra axial lesionPosterior fossa, with gamuts Infratentorial T2W or FLAIR hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts DWI hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts Infratentorial T1W hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts Infratentorial T1W hyperintense lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Skull vault, with gamuts Osteolytic skull lesionTemporal bone, with gamuts Middle ear or mastoid osteolysis, Temporal bone osteolysis or demineralisation

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts Hypodense infratentorial lesion on noncontrast CTInfratentorial peri cerebral spaces, with gamuts Infratentorial extra axial lesion

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Skull vault, with gamuts Osteolytic skull lesionTemporal bone, with gamuts Middle ear or mastoid osteolysis, Temporal bone osteolysis or demineralisation

Here is the specific information in the key image above:
- Diagnosis Epidermoid cyst, Location(s) Posterior fossa, with gamuts Hypodense infratentorial lesion on noncontrast CTInfratentorial peri cerebral spaces, with gamuts Infratentorial extra axial lesion