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Published in:
19-05-2024 | Chondrosarcoma | Review
Extra-skeletal intracranial mesenchymal chondrosarcoma: systematic-literature review
Authors: Sivaraman Kumarasamy, Kanwaljeet Garg, Ajay Garg, M. C. Sharma, Manmohanjit Singh, Poodipedi Sarat Chandra, Shashank Sharad Kale
Published in: Child's Nervous System | Issue 9/2024
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Background
Intracranial mesenchymal chondrosarcoma (IMC) is a rare malignant tumor in pediatric population. IMC can present as extra- or intra-axial lesion in pediatric patients, though the former is commoner causing raised intracranial pressure (ICP). Radiological diagnosis is a challenge in these cases, as is it difficult to differentiate these from other extra-axial neoplasms due to the wide differential diagnosis in pediatric population. We aim to systematically review the literature and present a rare case of extraskeletal intracranial mesenchymal chondrosarcoma treated with safe maximal resection.
Methods
A systematic review of literature was conducted in accordance with PRISMA guidelines. PubMed and Scopus databases were queried using the search terms, “primary intracranial chondrosarcoma”, “extraskeletal mesenchymal chondrosarcoma”, “mesenchymal chondrosarcoma” and “pediatric”. Presentation, surgical management and outcome of a 15-year-old male with an extraskeletal IMC are also described.
Results
The search yielded 25 articles which met the inclusion criteria. These published records consisted of 33 IMC cases with mean age at presentation of 9.81 ± 5.2 years (range 2 months to 18 years). Frontal region was the commonest locations (11, 33.3%). Most common presentation was headache (14, 42.4%). All patients underwent surgical intervention: gross total resection (20, 60.6%), subtotal resection (9, 27.3%) and no extent mentioned (4, 12.1%). No adjuvant therapy was received in 15 patients (45.5%). On latest follow-up, 11 patients (33.3%) are on remission, 5 patients (15.2%) are symptom free, 3 patients (9.1%) had recurrence, 2 patients (6.1%) had metastasis and 9 patients (27.3%) expired.
Conclusion
IMC is a rare entity in pediatric population with imaging findings which are non-characteristic leading to its diagnostic challenge. It can masquerade as other extra-axial intracranial neoplasm (meningioma or hemangiopericytoma). Combination of clinico-radiological and pathological examination can help in accurate diagnosis. Safe Maximal resection followed by radiotherapy is the preferred treatment strategy.
