Pediatric Primary Intracranial Malignant Melanoma: Case Report and Literature Review
Introduction: Primary intracranial malignant melanoma (PIMM) is an extremely rare primary brain tumor with most cases diagnosed in adults. To date, there are only a few cases reported in the pediatric population. Owing to its infrequency, there are no established guidelines to treat this aggressive neoplasm. Recent insights suggest that PIMM are molecularly different between adults and children, whereby NRAS mutations drive tumor growth in the latter group. We present a unique case of PIMM in a pediatric patient and discuss the case in corroboration with current literature. Case Presentation: A previously well 15-year-old male presented with progressive symptoms of raised intracranial pressure. Neuroimaging reported a large solid-cystic lesion with significant mass effect. He underwent gross total resection of the lesion that was reported to be a PIMM with pathogenic single nucleotide variant NRAS p.Gln61Lys. Further workup for cutaneous, uveal, and visceral malignant melanoma was negative. A trial of whole-brain radiotherapy followed by dual immune checkpoint inhibitors was commenced. Despite concerted efforts, the patient had aggressive tumor progression and eventually demised from his disease. Conclusion: We therein report a case of pediatric PIMM, in the context of the patient’s clinical, radiological, histopathological, and molecular findings. This case highlights the therapeutic difficulties faced in disease management and contributes to the very limited pool of medical literature for this devastating primary brain tumor.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Pediatric Primary Intracranial Malignant Melanoma: Case Report and Literature Review ; volume:58 ; number:4 ; year:2023 ; pages:223-230 ; extent:8
Pediatric neurosurgery ; 58, Heft 4 (2023), 223-230 (gesamt 8)
- Urheber
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Lim, Mervyn J.R.
Tan, Enrica E.K.
Wong, Ru Xin
Chang, Kenneth T.E.
Fortier, Marielle V.
Cheong, Tien Meng
Ng, Lee Ping
Low, Sharon Y.Y.
- DOI
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10.1159/000531544
- URN
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urn:nbn:de:101:1-2023092800151008899039
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:59 MESZ
Datenpartner
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Beteiligte
- Lim, Mervyn J.R.
- Tan, Enrica E.K.
- Wong, Ru Xin
- Chang, Kenneth T.E.
- Fortier, Marielle V.
- Cheong, Tien Meng
- Ng, Lee Ping
- Low, Sharon Y.Y.
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