Illustrative Cases

1.Cerebral Arterio-Venou Malformation(AVM)

Cerebral AVM in the left hemisphere was totally obliterated at 12 months after the treatment.

2.Acoustic Neurinoma

Right acoustic neurinoma in the cerebello-pontine angle showed marked shrinkage at 21 months after the treatment.

3.Metastatic Tumor

Metastatic tumor in the left temporal lobe decreased in size at
1 month after the treatment.

4.Meningioma

The residual tumor after surgery at the cavernous sinus showed 30 % reduction in size 18 months after the radiosurgery.

5.Glioma

Astrocytoma (Grade Ⅱ) in the left motor area disappeared at 20 months after the radiosurgery.

6.Pituitary Adenoma

Non-functioning pituitary adenoma expanding to the suprasellar portion showed marked reduction at 12 months after the gamma knife.

7.Craniopharyngioma

Craniopharyngioma occurred in the third ventricle gradually decreased in size after the treatment.

8.Chordoma

Clival chordoma showed marked reduction in size at14 months after the treatment.

9.Epipharyngeal Cancer

Squamous cell cancer in the sphenoid sinus disappeared at 20 months after the treatment.

10.Adenoid Cystic Carcinoma in the orbit

The tumor gradually decreased in size and stabilized at 24 months after the radiosurgery.

11.Trigeminal Neuralgia

Neuralgia disappeared 4 weeks after the radiosurgery near to the the root entry zone of the trigeminal nerve (REZ).