Which of the following brain tumors spreads via CSF? (AIIMS May 2010)
|A||Germ cell tumors|
1). It does not secrete any hormone.
2). Bimodal age of presentation – childhood and above 60 years.
30. Commonest childhood intracranial tumour
4). Most common cause of hypopituitarism in children
5). Benign pituitary tumor derived from Rathke's pouch remnants
6). Located above the sella turcica i.e. supra sellar mass.
7). Extends into sella turcica and destroys the gland. Can also damage the pituitary stalk, causing raised prolactin.
8). Cystic tumor with hemorrhage and calcification.
9). Commonly causes bitemporal hemianopia
10). Over 50% present in childhood with growth failure;
11). Adults may present with amenorrhoea, ↓libido, hypothalamic symptoms (eg central diabetes insipidus, hyperphagia, sleep disturbance) or tumour mass effect.
Tests: CT/MRI (calcification in 50%, may also be seen on skull XR).
Treatment: Surgery ±post-op radiation.