Calcifying pseudoneoplasm of the cerebellomedullary cistern: A case report and review of the literature

Aydemir, Fatih; Çekinmez, Melih; Kardeş, Özgür; Sarica, Feyzi Birol; Tufan, Kadır; Kayaselçuk, Fazi̇let

doi:10.4103/0028-3886.141255

Cited by 4 publications

(4 citation statements)

References 9 publications

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“…CAPNON presents with ambiguous symptoms mostly related to the location where it arises. The most common presenting symptoms with cranial CAPNON include headaches, neck pain, and/or seizures [3,4,[11][12][13][14][15][16][17][18][19]. In cases limited to the spine, over half of patients report axial pain in the region of the lesion [4].…”

Section: Discussionmentioning

confidence: 99%

“…Twelve of the 22 identified cases listed had no disease recurrence at median follow-up of 14 months [ 3 , 6 , 11 - 14 , 17 , 19 , 20 , 22 ]. In seven of the 20 cases, recurrence was not reported, or patients were clinically improved with minimal recurrence over the duration of follow-up [ 3 , 15 , 16 , 18 , 21 , 23 , 24 ]. Only one of the reported cases had a recurrence at three years that required a second debulking surgery [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

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Calcifying Pseudoneoplasm of the Neuraxis in the Posterior Fossa: A Case Report and Literature Review

Dallimore¹,

Quelle²,

Désir³

et al. 2022

Cureus

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Calcifying pseudoneoplasm of the neuraxis are rare fibro-osseous lesions that can occur throughout the central nervous system. This paper reports one case of this lesion within the posterior fossa and contains a literature review of all cases documented within the posterior fossa to date. A 53-year-old female patient with a history of epiphora, facial irritation, and headaches was found to have a mass centered in the posterior fossa. The patient underwent surgical resection for removal of the mass. Upon review by pathology, the final diagnosis was consistent with calcifying pseudoneoplasm of the neuraxis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Calcifying Pseudoneoplasm of the Neuraxis in the Posterior Fossa: A Case Report and Literature Review

Dallimore¹,

Quelle²,

Désir³

et al. 2022

Cureus

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“…[10][11][12][13] Here, we present a case of CAPNON at the right posterior skull base in a 44-year-old woman. To our knowledge, only 27 cases of CAPNON at the skull base have been reported between 1989 and 2020 (Table 1), 2,[4][5][6]8,[14][15][16][17][18][19][20][21][22][23][24][25][26][27] with ages ranging from 19 to 70 years (median age: 50 years) and a male predominance (malefemale ratio, 1.7:1). Among these 27 cases, 20 cases (74%) involved the posterior skull base, 2,[4][5][6]8,14,15,17,[20][21][22][23][24][25][26][27] 3 cases (11%) involved the anterior skull base, 5,16,18 2 cases involved the infratemporal fossa (inferior to lateral skull base), 2,6 and 2 cases involved the middle skull base 6,19 ; the r...…”

Section: Discussionmentioning

confidence: 99%

“…Among these 27 cases, 20 cases (74%) involved the posterior skull base, 2,[4][5][6]8,14,15,17,[20][21][22][23][24][25][26][27] 3 cases (11%) involved the anterior skull base, 5,16,18 2 cases involved the infratemporal fossa (inferior to lateral skull base), 2,6 and 2 cases involved the middle skull base 6,19 ; the reported lesion size varied from 1 to 4.8 cm. Our case is In Fatih et al, 17 1 to 10 cm was provided as the size range for all the 14 cases described in the article.…”

Section: Discussionmentioning

confidence: 99%

Calcifying Pseudoneoplasm of the Neuraxis Involving the Posterior Skull Base: A Case Report and Literature Review

Yan¹,

Menon²,

Heim-Hall³

et al. 2021

Int J Surg Pathol

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Calcifying pseudoneoplasm of the neuraxis is an uncommon, nonneoplastic fibro-osseous lesion of the central nervous system. At the time of this report, at least 150 cases have been reported in the literature. Because of the rarity of this lesion, it is often diagnostically challenging for radiologists and pathologists alike. In this article, we present a case of a 44-year-old woman with a 5.8-cm intracranial/skull base calcifying pseudoneoplasm of the neuraxis that was concerning for osteosarcoma on initial frozen section. Permanent sections revealed bone and fibrous stroma, calcifications, and nests of histiocytes with granuloma formation. Scattered, focally dense inflammatory foci and spindled cells outlining abundant large nodules of chondromyxoid matrix were also present. In this case report, we also reviewed recent literature for clinical presentations, radiologic findings, and histologic differential diagnoses. Familiarity with this lesion is important to avoid misdiagnosis leading to unnecessary and potentially harmful treatment.

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Posterior Fossa Calcifying Pseudoneoplasm of the Neuraxis (CAPNON): Presentation of Three Surgical Cases

Domecq-Laplace¹,

Ruella²,

Caffaratti³

et al. 2022

World Neurosurgery

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Calcifying pseudoneoplasm of the cerebellomedullary cistern: A case report and review of the literature

Cited by 4 publications

References 9 publications

Calcifying Pseudoneoplasm of the Neuraxis in the Posterior Fossa: A Case Report and Literature Review

Calcifying Pseudoneoplasm of the Neuraxis in the Posterior Fossa: A Case Report and Literature Review

Calcifying Pseudoneoplasm of the Neuraxis Involving the Posterior Skull Base: A Case Report and Literature Review

Posterior Fossa Calcifying Pseudoneoplasm of the Neuraxis (CAPNON): Presentation of Three Surgical Cases

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