The Following MRI Images of 5 years Old child, what’s the most likely diagnosis:
Correct Answer: Chroid plexus Papilloma.
The Previous MRI imges show intra-ventricular (trigone) Frond like mass lesion that show homogenous enhancement in post-contrast study and associated moderate hydrocephalus changes, likely representing Chroid Plexus Papilloma.
Coloid Cyst appear in that place but have very different imaging characters.
This is not optic glioma site.
Differential Diagnosis:
PNET.
Ependymoma.
Atypical rhabdoid.
Pearls:
Choroid Plexus Tumor:
In Adults it's in the 4th Ventricle, in Kids it's in the lateral ventricle (usually trigone).
In Adults it's in the 4th Ventricle, in Kids it's in the lateral ventricle (usually trigone).
Carcinoma type is ONLY SEEN IN KIDS - and are therefore basically ONLY SEEN IN LATERAL VENTRICLE / TRI GONE.
Carcinoma association with Li-Fraumeni syndrome (bad p53).
Angiography may show enlarged choroidal arteries which shunt blood to the tumor.
Carcinoma type of this tumor looks very similar (unless it's invading the parenchyma) and is almost exclusively seen in kids.