Case courtesy : Dr.Sreedevi Varun DMRD DNB, Sunrise Hospital

Age: 4Yrs

Sex: Male

Case study:

An extra axial CSF intensity lesion in left anterior temporal fossa measuring 3.3 x 1.3 x 3.5 cm (TR x AP x CC) with no significant mass effect or perilesional edema. Prominent bilateral retro cerebellar CSF intensity area measuring approximately 3.6 x 1.7 cm (TR x AP).

Images:

Conclusion :

Extra axial CSF intensity lesion in left anterior temporal fossa – favor arachnoid cyst.
Prominent cisterna magna.