“…These included CPA medullary venous malformation, Paget's disease, occipital falcine meningioma, pontine glioma, fourth ventricle ganglioglioma, pontine infarction, syringobulbia, multiple sclerosis, trauma, hypothyroidism, idiopathic intracranial hypertension, vertebrobasilar ectasia, craniovertebral anomalies, parotid gland tumor, vertebral artery aneurysm, arteriovenous malformations, venous compression, epidermoid, lipoma, neurinoma, arachnoid cyst, fourth ventricle gangliolioma, focal motor seizures, arterial hypertension. [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] Enterogenous cysts (ECs) are rare congenital lesions mostly found in the spinal canal at the lower cervical and upper thoracic levels and have been reported only rarely in the CPA cistern. [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] Enterogenous cysts (ECs) are rare congenital lesions mostly found in the spinal canal at the lower cervical and upper thoracic levels and have been reported only rarely in the CPA cistern.…”