Atypical Teratoid/Rhabdoid Tumor of the Nervous System in Adults: Location-Related Features and Outcome
World Neurosurgery, 2023•Elsevier
Background Atypical teratoid/rhabdoid tumor (AT/RT) of the nervous system is a rare and
highly malignant neoplasm, mainly affecting children, first recognized as a pathologic entity
in 1996 and added to the World Health Organization Classification of the Tumors of the
Central Nervous System in 2000. AT/RT is even rarer among adults and is associated with a
worse prognosis. The aim of the present study was to analyze the different tumor features
according to the location in adults. Methods A comprehensive and detailed literature review …
highly malignant neoplasm, mainly affecting children, first recognized as a pathologic entity
in 1996 and added to the World Health Organization Classification of the Tumors of the
Central Nervous System in 2000. AT/RT is even rarer among adults and is associated with a
worse prognosis. The aim of the present study was to analyze the different tumor features
according to the location in adults. Methods A comprehensive and detailed literature review …
Background
Atypical teratoid/rhabdoid tumor (AT/RT) of the nervous system is a rare and highly malignant neoplasm, mainly affecting children, first recognized as a pathologic entity in 1996 and added to the World Health Organization Classification of the Tumors of the Central Nervous System in 2000. AT/RT is even rarer among adults and is associated with a worse prognosis. The aim of the present study was to analyze the different tumor features according to the location in adults.
Methods
A comprehensive and detailed literature review of AT/RTs in adults was made. The demographic, management, and outcome data associated with tumor location were analyzed and compared; histopathologic and molecular features were also discussed. Furthermore, we added our personal case with brain hemispheric localization and reported a progression-free survival of 103 months after gross total resection and adjuvant radiotherapy showing a peculiar histopathologic pattern.
Results
Female sex is mainly affected by AT/RT on median localizations, both intracranial and spinal, and by all sellar region cases. Gross total resection is mainly achieved among lateral compared with median localizations. Combined radiotherapy and chemotherapy is the most adopted adjuvant treatment in all tumor localizations and is related to better outcome. Postoperative death is reported only among sellar region localizations, whereas brain hemispheric cases show the best overall survival.
Conclusions
AT/RTs show different and peculiar features according to their location, which significantly affects the outcome; precise knowledge of them helps the neurosurgeon in planning the best strategy for treatment.
Elsevier
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