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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Diffuse leptomeningeal glioneuronal tumor (DLGT)
Synonyms
- Disseminated oligodendroglial-like leptomeningeal tumor
- Dysembryoplastic neuroepithelial tumor-like neoplasm
- Meningeal gliomatosis
- Diffuse leptomeningeal neurocytoma
- Diffuse leptomeningeal gangliocytoma
- Diffuse leptomeningeal oligodendrogliomatosis
Definitions
- Low-grade glioneuronal tumor that presents with diffuse leptomeningeal dissemination
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Abongwa C et al: Primary diffuse leptomeningeal glioneuronal tumors of the central nervous system: report of three cases and review of literature. Pediatr Hematol Oncol. 37(3):248-58, 2020
- Lakhani DA et al: Diffuse leptomeningeal glioneuronal tumor of childhood. AJNR Am J Neuroradiol. 41(11):2155-9, 2020
- Tiwari S et al: Diffuse leptomeningeal glioneuronal tumor: a unique leptomeningeal tumor entity. World Neurosurg. 135:297-300, 2020
- Aguilera D et al: Clinical responses of patients with diffuse leptomeningeal glioneuronal tumors to chemotherapy. Childs Nerv Syst. 34(2):329-34, 2018
- Deng MY et al: Molecularly defined diffuse leptomeningeal glioneuronal tumor (DLGNT) comprises two subgroups with distinct clinical and genetic features. Acta Neuropathol. 136(2):239-53, 2018
- Johnson DR et al: 2016 updates to the WHO Brain Tumor Classification System: what the radiologist needs to know. Radiographics. 37(7):2164-80, 2017
- Cho HJ et al: Primary diffuse leptomeningeal glioneuronal tumors. Brain Tumor Pathol. 32(1):49-55, 2015
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Diffuse leptomeningeal glioneuronal tumor (DLGT)
Synonyms
- Disseminated oligodendroglial-like leptomeningeal tumor
- Dysembryoplastic neuroepithelial tumor-like neoplasm
- Meningeal gliomatosis
- Diffuse leptomeningeal neurocytoma
- Diffuse leptomeningeal gangliocytoma
- Diffuse leptomeningeal oligodendrogliomatosis
Definitions
- Low-grade glioneuronal tumor that presents with diffuse leptomeningeal dissemination
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Abongwa C et al: Primary diffuse leptomeningeal glioneuronal tumors of the central nervous system: report of three cases and review of literature. Pediatr Hematol Oncol. 37(3):248-58, 2020
- Lakhani DA et al: Diffuse leptomeningeal glioneuronal tumor of childhood. AJNR Am J Neuroradiol. 41(11):2155-9, 2020
- Tiwari S et al: Diffuse leptomeningeal glioneuronal tumor: a unique leptomeningeal tumor entity. World Neurosurg. 135:297-300, 2020
- Aguilera D et al: Clinical responses of patients with diffuse leptomeningeal glioneuronal tumors to chemotherapy. Childs Nerv Syst. 34(2):329-34, 2018
- Deng MY et al: Molecularly defined diffuse leptomeningeal glioneuronal tumor (DLGNT) comprises two subgroups with distinct clinical and genetic features. Acta Neuropathol. 136(2):239-53, 2018
- Johnson DR et al: 2016 updates to the WHO Brain Tumor Classification System: what the radiologist needs to know. Radiographics. 37(7):2164-80, 2017
- Cho HJ et al: Primary diffuse leptomeningeal glioneuronal tumors. Brain Tumor Pathol. 32(1):49-55, 2015
