Cystic tumor [Neurosurgery Wiki]

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====== Cystic tumor ======

see also [[Tumor associated cysts]].

The most common tumors are, [[hemangioblastoma]], [[pilocytic astrocytoma]], [[ganglioglioma]], [[pleomorphic xanthoastrocytoma]], [[tanycytic ependymoma]], [[intraparenchymal schwannoma]], [[desmoplastic infantile ganglioglioma]].

[[Cystic meningioma]] is a rare form of intracranial meningioma. Meningiomas are typically solid tumors but may rarely have cystic components. The diagnosis of cystic meningioma is clinically challenging as the finding of multiple intra-axial tumors, including metastatic tumors, is relatively common. We report a case of cystic meningioma initially diagnosed as a metastatic tumor from a recurrence of acute lymphoid leukemia. However, postoperative histopathological examination demonstrated an atypical meningioma
((Ramanathan N, Kamaruddin KA, Othman A, Mustafa F, Awang MS. Cystic Meningioma 
Masquerading as a Metastatic Tumor: A Case Report. Malays J Med Sci. 2016
May;23(3):92-4. PubMed PMID: 27418876; PubMed Central PMCID: PMC4934725.
)).

[[Differential diagnosis]] of a [[cystic lesion]] must contemplate primary [[neoplasm]], [[metastasis]] (lung and breast neoplasms are the most common cause), brain [[abscess]], [[tuberculoma]] and [[neurocysticercosis]].
(NCC).

see [[Cystic metastases]].

see [[Cystic glioma]].


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Other intra-axial cysts, e.g. [[intracranial arachnoid cyst]], [[neuroglial cyst]], [[porencephalic cyst]].