Calcifying Pseudoneoplasm of the Inferior Colliculus

Montibeller, Guilherme Ramina; Stan, Alexandru-Constantin; Krauss, Joachim K.; Nakamura, Makoto

doi:10.1227/01.neu.0000351770.69874.15

Cited by 27 publications

(20 citation statements)

References 15 publications

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“…Surgical resection is curative. 5 To our knowledge, this is the first report of a patient with CAPNON with sinonasal extension, as well as the first report of a CAPNON resection using endoscopic techniques.…”

Section: Discussionmentioning

confidence: 72%

Endoscopic resection of calcifying pseudoneoplasm of the neuraxis (CAPNON) of the anterior skull base with sinonasal extension

Fletcher

Greenlee

Chang

et al. 2012

Journal of Clinical Neuroscience

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Section: Discussionmentioning

confidence: 72%

Endoscopic resection of calcifying pseudoneoplasm of the neuraxis (CAPNON) of the anterior skull base with sinonasal extension

Fletcher

Greenlee

Chang

et al. 2012

Journal of Clinical Neuroscience

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“…Standard treatment includes complete surgical resection and has been known to be curative 16. Most of the lesions were safely removed via open craniotomy as in our case, but some cases have been reported to be resected endoscopically as in the case of a CAPNON of the anterior skull base 10.…”

Section: Discussionmentioning

confidence: 79%

Occipital calcified pseudoneoplasms of the neuraxis (CAPNON): understanding a rare pathology

et al. 2014

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SUMMARYCalcifying pseudoneoplasms of the neuraxis (CAPNON) are rare and typically benign lesions that can occur anywhere within the central nervous system. Aetiology of this lesion is unclear and surgical removal is usually curative. We present a 24-year-old male patient with a history of occipital migraines who was admitted after sudden onset seizure and loss of vision. CT and MRI demonstrated a small calcifying lesion in the right temporo-occipital lobe. The patient underwent gross total resection of the tumour mass and pathological analysis revealed a CAPNON. The preoperative diagnosis of CAPNON remains difficult due to unspecific radiological findings, yet a clear understanding of characteristic pathological findings and prognosis of CAPNON remains paramount. BACKGROUND

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“…Calcified, fibro-osseous lesions known as calcifying pseudoneoplasms of the neuraxis, cerebral calculi, or brain stones are extremely rare and are usually seen at the cranial base, commonly adjacent to the dura mater or the arachnoid 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29. However, they can occur anywhere within the neuraxis 2,3,5.…”

Section: Discussionmentioning

confidence: 99%

“…The pathogenesis of these lesions remains unclear, but a reactive proliferative process, rather than a neoplastic one, is favored by most investigators 2,3,4,5,6,7. In addition, it is also believed that this lesion is probably an unusual expression of tumoral calcinosis.…”

Section: Introductionmentioning

confidence: 99%

Calcifying Pseudoneoplasms of the Skull Base Presenting with Cranial Neuropathies: Case Report and Literature Review

et al. 2012

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Objectives We report our institutional experience with calcifying pseudoneoplasms of the skull base that presented with cranial neuropathies. These lesions are also known as fibro-osseous lesions, cerebral calculi, or brain stones.Results One patient presented with facial numbness and retro-orbital pain secondary to compression of the maxillary branch of the trigeminal nerve at the anterior portion of the infratemporal fossa. The other patient presented with occipital headaches and hypoglossal nerve palsy. This patient was found to have a calcified lesion in the posterior fossa, which eroded the left occipital condyle.Conclusion Calcifying pseudoneoplasms are benign, slow-growing masses that are apparently cured by gross total resection. Even with incomplete tumor resection, the prognosis is considered to be favorable. We advocate a minimally invasive surgical resection of such tumors involving the cranial nerves.

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Calcifying Pseudoneoplasm of the Inferior Colliculus

Abstract: We report the first case of a calcifying pseudoneoplasm of the inferior colliculus. Complete surgical removal of this type of tumor is feasible. We propose surgical treatment in this location when this tumor becomes symptomatic.

Cited by 27 publications

References 15 publications

Endoscopic resection of calcifying pseudoneoplasm of the neuraxis (CAPNON) of the anterior skull base with sinonasal extension

Endoscopic resection of calcifying pseudoneoplasm of the neuraxis (CAPNON) of the anterior skull base with sinonasal extension

Occipital calcified pseudoneoplasms of the neuraxis (CAPNON): understanding a rare pathology

Calcifying Pseudoneoplasms of the Skull Base Presenting with Cranial Neuropathies: Case Report and Literature Review

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