2
|
Cardoen L, Tauziède-Espariat A, Dangouloff-Ros V, Moalla S, Nicolas N, Roux CJ, Bouchoucha Y, Bourdeaut F, Beccaria K, Bolle S, Pierron G, Dufour C, Doz F, Boddaert N, Brisse H. Imaging Features with Histopathologic Correlation of CNS High-Grade Neuroepithelial Tumors with a BCOR Internal Tandem Duplication. AJNR Am J Neuroradiol 2022; 43:151-156. [PMID: 34887247 PMCID: PMC8757552 DOI: 10.3174/ajnr.a7367] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 09/27/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND PURPOSE A new brain tumor entity occurring in early childhood characterized by a somatic BCL6 corepressor gene internal tandem duplication was recently described. The aim of this study was to describe the radiologic pattern of these tumors and correlate this pattern with histopathologic findings. MATERIALS AND METHODS This retrospective, noninterventional study included 10 children diagnosed with a CNS tumor, either by ribonucleic acid-sequencing analysis or deoxyribonucleic acid methylation analysis. Clinical, radiologic, and histopathologic data were collected. A neuropathologist reviewed 9 tumor samples. Preoperative images were analyzed in consensus by 7 pediatric radiologists. RESULTS All tumors were relatively large (range, 4.7-9.2 cm) intra-axial peripheral masses with well-defined borders and no peritumoral edema. All tumors showed mild and heterogeneous enhancement and marked restriction on DWI of the solid portions. Perfusion imaging showed a relatively lower CBF in the tumor than in the adjacent normal parenchyma. Nine of 10 tumors showed areas of necrosis, with the presence of hemorrhage in 8/10 and calcifications in 4/7. Large intratumoral macroscopic veins were observed in 9/10 patients. No intracranial or spinal leptomeningeal dissemination was noted at diagnosis. CONCLUSIONS CNS tumors with a BCL6 corepressor gene internal tandem duplication present as large intra-axial peripheral masses with well-defined borders, no edema, restricted diffusion, weak contrast enhancement, frequent central necrosis, hemorrhage and calcifications, intratumoral veins, and no leptomeningeal dissemination at the time of diagnosis. Knowledge of these imaging characteristics may aid in histologic, genomic, and molecular profiling of brain tumors in young children.
Collapse
Affiliation(s)
- L. Cardoen
- From the Imaging Department (L.C., N.N., H.J.B.)
| | - A. Tauziède-Espariat
- Department of Neuropathology (A.T.-E.), Centre Hospitalier Sainte Anne, Paris, France
| | - V. Dangouloff-Ros
- Pediatric Radiology Department (V.D.-R., C.-J.R., N.B.), Assistance Publique–Hôpitaux de Paris, Hôpital Universitaire Necker-Enfants Malades, Paris, France,Institut Imagine (V.D.-R., N.B.), Université de Paris, Unité Médicale de Recherche (UMR) 1163, Paris, France,Université de Paris (V.D.-R., K.B., F.D., N.B.), Institut National de la Santé et de la Recherche Médicale, ERL UA10, Paris, France
| | | | - N. Nicolas
- From the Imaging Department (L.C., N.N., H.J.B.)
| | - C.-J. Roux
- Pediatric Radiology Department (V.D.-R., C.-J.R., N.B.), Assistance Publique–Hôpitaux de Paris, Hôpital Universitaire Necker-Enfants Malades, Paris, France
| | - Y. Bouchoucha
- SIREDO Oncology Center Care, Innovation and Research for Children, Adolescents and Young Adults with Cancer (Y.B., F.B., F.D.)
| | - F. Bourdeaut
- SIREDO Oncology Center Care, Innovation and Research for Children, Adolescents and Young Adults with Cancer (Y.B., F.B., F.D.)
| | - K. Beccaria
- Department of Neurosurgery (K.B.),Université de Paris (V.D.-R., K.B., F.D., N.B.), Institut National de la Santé et de la Recherche Médicale, ERL UA10, Paris, France
| | | | - G. Pierron
- Department of Biopathology and Genetics (G.P.), Institut Curie, Paris, France
| | - C. Dufour
- Paediatric and Adolescent Oncology (C.D.), Gustave Roussy, Villejuif, France
| | - F. Doz
- SIREDO Oncology Center Care, Innovation and Research for Children, Adolescents and Young Adults with Cancer (Y.B., F.B., F.D.),Université de Paris (V.D.-R., K.B., F.D., N.B.), Institut National de la Santé et de la Recherche Médicale, ERL UA10, Paris, France
| | - N. Boddaert
- Pediatric Radiology Department (V.D.-R., C.-J.R., N.B.), Assistance Publique–Hôpitaux de Paris, Hôpital Universitaire Necker-Enfants Malades, Paris, France,Institut Imagine (V.D.-R., N.B.), Université de Paris, Unité Médicale de Recherche (UMR) 1163, Paris, France,Université de Paris (V.D.-R., K.B., F.D., N.B.), Institut National de la Santé et de la Recherche Médicale, ERL UA10, Paris, France
| | - H.J. Brisse
- From the Imaging Department (L.C., N.N., H.J.B.),Université Paris Saclay (H.J.B.), Institut National de la Santé et de la Recherche Médicale, LITO U1288, Orsay, France
| |
Collapse
|
3
|
Dangouloff-Ros V, Roux CJ, Boulouis G, Levy R, Nicolas N, Lozach C, Grevent D, Brunelle F, Boddaert N, Naggara O. Incidental Brain MRI Findings in Children: A Systematic Review and Meta-Analysis. AJNR Am J Neuroradiol 2019; 40:1818-1823. [PMID: 31624116 DOI: 10.3174/ajnr.a6281] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/03/2019] [Indexed: 01/26/2023]
Abstract
BACKGROUND The detection of incidental findings on children's brain MR imaging poses various practical issues because the life-long implications of such findings may be profound. PURPOSE Our aim was to assess the prevalence and characteristics of incidental brain MR imaging findings in children. DATA SOURCES Electronic databases (PubMed, EMBASE, and Cochrane) were searched for articles published between 1985 to July 2018, with the following search terms: "incidental," "findings," "brain," "MR imaging." STUDY SELECTION Inclusion criteria were the following: 1) patients younger than 21 years of age, 2) healthy children without any clinical condition, 3) MR images obtained with at least a 1.5T magnet, 4) original articles, and 5) a methodologic quality score of ≥10. DATA ANALYSIS Two observers independently extracted data and assessed data quality and validity. The number and type of incidental findings were pooled. Heterogeneity was assessed using the Cochran Q statistic and the I2 statistic. DATA SYNTHESIS Seven studies were included, reporting 5938 children (mean age, 11.3 ± 2.8 years). Incidental findings were present in 16.4% (99% CI, 9.8-26.2; Q = 117.5, I2= 94.9%) of healthy children, intracranial cysts being the most frequent (10.2%, 99% CI, 3.1-28.5; Q = 306.4, I2 = 98.0%). Nonspecific white matter hyperintensities were reported in 1.9% (99% CI, 0.2-16.8; Q = 73.6, I2 = 94.6%), Chiari 1 malformation was found in 0.8% (99% CI, 0.5-1.3; Q = 7.6, I2 = 60.5%), and intracranial neoplasms were reported in 0.2% (99% CI, 0.1-0.6; Q = 3.4, I2 = 12.3%). In total, the prevalence of incidental findings needing follow-up was 2.6% (99% CI, 0.5-11.7; Q = 131.2, I2 = 95.4%). Incidental findings needing specific treatment were brain tumors (0.2%) and cavernomas (0.2%). LIMITATIONS Limitations were no age stratification or ethnicity data and variation in the design of included studies. CONCLUSIONS The prevalence of incidental findings is much more frequent in children than previously reported in adults, but clinically meaningfull incidental findings were present in <1 in 38 children.
Collapse
Affiliation(s)
- V Dangouloff-Ros
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - C-J Roux
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - G Boulouis
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
- Neuroradiology Department (G.B., O.N.), Centre Hospitalier Sainte-Anne, Paris, France
| | - R Levy
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - N Nicolas
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - C Lozach
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - D Grevent
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - F Brunelle
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - N Boddaert
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- Institut National de l a Santé et de la Recherche Médicale U1000 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Paris, France
- Unité Mixte de Recherche 1163 (V.D.-R., C.-J.R., R.L., N.N., C.L., D.G., F.B., N.B.), Institut Imagine, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
| | - O Naggara
- From the Pediatric Radiology Department (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), Hôpital Necker-Enfants Malades, Paris, France
- University René Descartes (V.D.-R., C.-J.R., G.B., R.L., N.N., C.L., D.G., F.B., N.B., O.N.), PRES Sorbonne Paris Cité, Paris, France
- Neuroradiology Department (G.B., O.N.), Centre Hospitalier Sainte-Anne, Paris, France
| |
Collapse
|