This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
True statement regarding rain Tumor in children is - 
Select and explain. 
A. Mostly is infratentorial, B. Papilledema is rare, C. Is the most common tumour in children, D. Hydrocephalus is rare
A: Mostly is infratentorial
Answer: A: Mostly is infratentorial 
Explanation: Brain tumors in children

Brain tumors are the second most common malignancy of childhood next only to leukemia.
Brain tumors are the most common solid cancer of childhood.


Over two-thirds of brain tumors are infratentoterial.


Most of these tumor occur near the midline -> commonly obstruct CSF circulation and cause hydrocephalus early in disease. These can also cause I ICT and papilledema (In infants papilIedema may be absent because of open sutures and bulging fontanelle).
There is age related differences in primary location of tumor -


Infant (Is' year of life)     -        4 Mostly supratentorial, most common are choroidal plexus tumor and teratoma
1-10 years            -              Mostly infratentorial, most common are medulloblastoma and cerebellar astrocytoma (juvenile pilocytic astrocytoma).
After 10 years        -           mostly supratentorial, most common is diffUse astrocytoma.