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Recurrent non-canonical histone H3 mutations in spinal cord diffuse gliomas.

Sloan EA, Cooney T, Oberheim Bush NA, Buerki R, Taylor J, Clarke JL, Torkildson J, Kline C, Reddy A, Mueller S, Banerjee A, Butowski N, Chang S, Mummaneni PV, Chou D, Tan L, Theodosopoulos P, McDermott M, Berger M, Raffel C, Gupta N, Sun PP, Li Y, Shah V, Cha S, Braunstein S, Raleigh DR, Samuel D, Scharnhorst D, Fata C, Guo H, Moes G, Kim JYH, Koschmann C, Van Ziffle J, Onodera C, Devine P, Grenert JP, Lee JC, Pekmezci M, Phillips JJ, Tihan T, Bollen AW, Perry A, Solomon DA.

Acta Neuropathol. 2019 Sep 12. doi: 10.1007/s00401-019-02072-2. [Epub ahead of print] No abstract available.


Supracerebellar Approach to a Radiation-Induced Giant Capillary Telangiectasia within a Juvenile Pilocytic Astrocytoma of the Upper Brainstem.

Rubio RR, Chae R, Khare A, Dubnicoff T, Winkler E, Sloan E, Bollen AW, Berger MS, Abla AA.

World Neurosurg. 2019 Aug 31. pii: S1878-8750(19)32328-9. doi: 10.1016/j.wneu.2019.08.172. [Epub ahead of print] No abstract available.


Mechanisms of Resistance to EGFR Inhibition Reveal Metabolic Vulnerabilities in Human GBM.

McKinney A, Lindberg OR, Engler JR, Chen KY, Kumar A, Gong H, Lu KV, Simonds EF, Cloughesy TF, Liau LM, Prados M, Bollen AW, Berger MS, Shieh JTC, James CD, Nicolaides TP, Yong WH, Lai A, Hegi ME, Weiss WA, Phillips JJ.

Mol Cancer Ther. 2019 Sep;18(9):1565-1576. doi: 10.1158/1535-7163.MCT-18-1330. Epub 2019 Jul 3.


High-grade neuroepithelial tumor with BCOR exon 15 internal tandem duplication-a comprehensive clinical, radiographic, pathologic, and genomic analysis.

Ferris SP, Velazquez Vega J, Aboian M, Lee JC, Van Ziffle J, Onodera C, Grenert JP, Saunders T, Chen YY, Banerjee A, Kline CN, Gupta N, Raffel C, Samuel D, Ruiz-Diaz I, Magaki S, Wilson D, Neltner J, Al-Hajri Z, Phillips JJ, Pekmezci M, Bollen AW, Tihan T, Schniederjan M, Cha S, Perry A, Solomon DA.

Brain Pathol. 2019 May 18. doi: 10.1111/bpa.12747. [Epub ahead of print]


Recurrent KBTBD4 small in-frame insertions and absence of DROSHA deletion or DICER1 mutation differentiate pineal parenchymal tumor of intermediate differentiation (PPTID) from pineoblastoma.

Lee JC, Mazor T, Lao R, Wan E, Diallo AB, Hill NS, Thangaraj N, Wendelsdorf K, Samuel D, Kline CN, Banerjee A, Auguste K, Raffel C, Gupta N, Berger M, Raleigh DR, Shai A, Phillips JJ, Bollen AW, Tihan T, Perry A, Costello J, Solomon DA.

Acta Neuropathol. 2019 May;137(5):851-854. doi: 10.1007/s00401-019-01990-5. Epub 2019 Mar 14. No abstract available.


Cerebral amyloidoma: A mimicker of granulomatous disease on brain MRI.

Radmanesh A, Wood MD, Bollen AW.

J Neuroradiol. 2019 Sep;46(5):336-339. doi: 10.1016/j.neurad.2019.02.009. Epub 2019 Mar 7. No abstract available.


Clinicopathologic features of anaplastic myxopapillary ependymomas.

Lee JC, Sharifai N, Dahiya S, Kleinschmidt-DeMasters BK, Rosenblum MK, Reis GF, Samuel D, Siongco AM, Santi M, Storm PB, Ferris SP, Bollen AW, Pekmezci M, Solomon DA, Tihan T, Perry A.

Brain Pathol. 2019 Jan;29(1):75-84. doi: 10.1111/bpa.12673.


The genetic landscape of gliomas arising after therapeutic radiation.

López GY, Van Ziffle J, Onodera C, Grenert JP, Yeh I, Bastian BC, Clarke J, Oberheim Bush NA, Taylor J, Chang S, Butowski N, Banerjee A, Mueller S, Kline C, Torkildson J, Samuel D, Siongco A, Raffel C, Gupta N, Kunwar S, Mummaneni P, Aghi M, Theodosopoulos P, Berger M, Phillips JJ, Pekmezci M, Tihan T, Bollen AW, Perry A, Solomon DA.

Acta Neuropathol. 2019 Jan;137(1):139-150. doi: 10.1007/s00401-018-1906-z. Epub 2018 Sep 8.


The genetic landscape of anaplastic pleomorphic xanthoastrocytoma.

Phillips JJ, Gong H, Chen K, Joseph NM, van Ziffle J, Bastian BC, Grenert JP, Kline CN, Mueller S, Banerjee A, Nicolaides T, Gupta N, Berger MS, Lee HS, Pekmezci M, Tihan T, Bollen AW, Perry A, Shieh JTC, Solomon DA.

Brain Pathol. 2019 Jan;29(1):85-96. doi: 10.1111/bpa.12639. Epub 2018 Nov 6.


Myxoid glioneuronal tumor of the septum pellucidum and lateral ventricle is defined by a recurrent PDGFRA p.K385 mutation and DNT-like methylation profile.

Solomon DA, Korshunov A, Sill M, Jones DTW, Kool M, Pfister SM, Fan X, Bannykh S, Hu J, Danielpour M, Li R, Johnston J, Cham E, Cooney T, Sun PP, Oberheim Bush NA, McDermott M, Van Ziffle J, Onodera C, Grenert JP, Bastian BC, Villanueva-Meyer JE, Pekmezci M, Bollen AW, Perry A.

Acta Neuropathol. 2018 Aug;136(2):339-343. doi: 10.1007/s00401-018-1883-2. Epub 2018 Jul 13. No abstract available.


The genetic landscape of ganglioglioma.

Pekmezci M, Villanueva-Meyer JE, Goode B, Van Ziffle J, Onodera C, Grenert JP, Bastian BC, Chamyan G, Maher OM, Khatib Z, Kleinschmidt-DeMasters BK, Samuel D, Mueller S, Banerjee A, Clarke JL, Cooney T, Torkildson J, Gupta N, Theodosopoulos P, Chang EF, Berger M, Bollen AW, Perry A, Tihan T, Solomon DA.

Acta Neuropathol Commun. 2018 Jun 7;6(1):47. doi: 10.1186/s40478-018-0551-z.


A recurrent kinase domain mutation in PRKCA defines chordoid glioma of the third ventricle.

Goode B, Mondal G, Hyun M, Ruiz DG, Lin YH, Van Ziffle J, Joseph NM, Onodera C, Talevich E, Grenert JP, Hewedi IH, Snuderl M, Brat DJ, Kleinschmidt-DeMasters BK, Rodriguez FJ, Louis DN, Yong WH, Lopes MB, Rosenblum MK, Butowski N, Tihan T, Bollen AW, Phillips JJ, Wiita AP, Yeh I, Jacobson MP, Bastian BC, Perry A, Solomon DA.

Nat Commun. 2018 Feb 23;9(1):810. doi: 10.1038/s41467-018-02826-8.


Deep sequencing of WNT-activated medulloblastomas reveals secondary SHH pathway activation.

Iorgulescu JB, Van Ziffle J, Stevers M, Grenert JP, Bastian BC, Chavez L, Stichel D, Buchhalter I, Samuel D, Nicolaides T, Banerjee A, Mueller S, Gupta N, Tihan T, Bollen AW, Northcott PA, Kool M, Pfister S, Korshunov A, Perry A, Solomon DA.

Acta Neuropathol. 2018 Apr;135(4):635-638. doi: 10.1007/s00401-018-1819-x. Epub 2018 Feb 12. No abstract available.


Occipital Headache in Chronic Lymphocytic Inflammation With Pontine Perivascular Enhancement Responsive to Steroids (CLIPPERS).

Cordano C, López GY, Bollen AW, Nourbakhsh B.

Headache. 2018 Mar;58(3):458-459. doi: 10.1111/head.13232. Epub 2017 Nov 28. No abstract available.


Clonal expansion and epigenetic reprogramming following deletion or amplification of mutant IDH1.

Mazor T, Chesnelong C, Pankov A, Jalbert LE, Hong C, Hayes J, Smirnov IV, Marshall R, Souza CF, Shen Y, Viswanath P, Noushmehr H, Ronen SM, Jones SJM, Marra MA, Cairncross JG, Perry A, Nelson SJ, Chang SM, Bollen AW, Molinaro AM, Bengtsson H, Olshen AB, Weiss S, Phillips JJ, Luchman HA, Costello JF.

Proc Natl Acad Sci U S A. 2017 Oct 3;114(40):10743-10748. doi: 10.1073/pnas.1708914114. Epub 2017 Sep 15.


Angiocentric glioma with MYB-QKI fusion located in the brainstem, rather than cerebral cortex.

Chan E, Bollen AW, Sirohi D, Van Ziffle J, Grenert JP, Kline CN, Tihan T, Perry A, Gupta N, Solomon DA.

Acta Neuropathol. 2017 Oct;134(4):671-673. doi: 10.1007/s00401-017-1759-x. Epub 2017 Aug 3. No abstract available.


Familial melanoma-astrocytoma syndrome: synchronous diffuse astrocytoma and pleomorphic xanthoastrocytoma in a patient with germline CDKN2A/B deletion and a significant family history.

Chan AK, Han SJ, Choy W, Beleford D, Aghi MK, Berger MS, Shieh JT, Bollen AW, Perry A, Phillips JJ, Butowski N, Solomon DA.

Clin Neuropathol. 2017 Sep/Oct;36(5):213-221. doi: 10.5414/NP301022.


Targeted next-generation sequencing of pediatric neuro-oncology patients improves diagnosis, identifies pathogenic germline mutations, and directs targeted therapy.

Kline CN, Joseph NM, Grenert JP, van Ziffle J, Talevich E, Onodera C, Aboian M, Cha S, Raleigh DR, Braunstein S, Torkildson J, Samuel D, Bloomer M, Campomanes AGA, Banerjee A, Butowski N, Raffel C, Tihan T, Bollen AW, Phillips JJ, Korn WM, Yeh I, Bastian BC, Gupta N, Mueller S, Perry A, Nicolaides T, Solomon DA.

Neuro Oncol. 2017 May 1;19(5):699-709. doi: 10.1093/neuonc/now254. Erratum in: Neuro Oncol. 2017 Apr 1;19(4):601.


Genetic confirmation that ependymoma can arise as part of multiple endocrine neoplasia type 1 (MEN1) syndrome.

Cuevas-Ocampo AK, Bollen AW, Goode B, Pajtler KW, Chavez L, Sharma T, Dai SC, McDermott M, Perry A, Korshunov A, Solomon DA.

Acta Neuropathol. 2017 Apr;133(4):661-663. doi: 10.1007/s00401-017-1689-7. Epub 2017 Feb 25. No abstract available.


Activating NRF1-BRAF and ATG7-RAF1 fusions in anaplastic pleomorphic xanthoastrocytoma without BRAF p.V600E mutation.

Phillips JJ, Gong H, Chen K, Joseph NM, van Ziffle J, Jin LW, Bastian BC, Bollen AW, Perry A, Nicolaides T, Solomon DA, Shieh JT.

Acta Neuropathol. 2016 Nov;132(5):757-760. Epub 2016 Sep 13. No abstract available.


Canine Nervous System Lymphoma Subtypes Display Characteristic Neuroanatomical Patterns.

Sisó S, Marco-Salazar P, Moore PF, Sturges BK, Vernau W, Wisner ER, Bollen AW, Dickinson PJ, Higgins RJ.

Vet Pathol. 2017 Jan;54(1):53-60. doi: 10.1177/0300985816658101. Epub 2016 Aug 20.


Diffuse Midline Gliomas with Histone H3-K27M Mutation: A Series of 47 Cases Assessing the Spectrum of Morphologic Variation and Associated Genetic Alterations.

Solomon DA, Wood MD, Tihan T, Bollen AW, Gupta N, Phillips JJ, Perry A.

Brain Pathol. 2016 Sep;26(5):569-80. doi: 10.1111/bpa.12336. Epub 2015 Dec 14.


DNA Methylation and Somatic Mutations Converge on the Cell Cycle and Define Similar Evolutionary Histories in Brain Tumors.

Mazor T, Pankov A, Johnson BE, Hong C, Hamilton EG, Bell RJA, Smirnov IV, Reis GF, Phillips JJ, Barnes MJ, Idbaih A, Alentorn A, Kloezeman JJ, Lamfers MLM, Bollen AW, Taylor BS, Molinaro AM, Olshen AB, Chang SM, Song JS, Costello JF.

Cancer Cell. 2015 Sep 14;28(3):307-317. doi: 10.1016/j.ccell.2015.07.012.


A 29-year-old pregnant woman with worsening left hemiparesis, encephalopathy, and hemodynamic instability: a case report of subacute sclerosing panencephalitis.

Reis GF, Ritter JM, Bellini WJ, Rota PA, Bollen AW.

Clin Neuropathol. 2015 Sep-Oct;34(5):258-66. doi: 10.5414/NP300843.


Primary glioblastoma of the trigeminal nerve root entry zone: case report.

Breshears JD, Ivan ME, Cotter JA, Bollen AW, Theodosopoulos PV, Berger MS.

J Neurosurg. 2015 Jan;122(1):78-81. doi: 10.3171/2014.10.JNS14449.


Bilaterally symmetric focal cortical dysplasia in a golden retriever dog.

Casey KM, Bollen AW, Winger KM, Vernau KM, Dickinson PJ, Higgins RJ, Sisó S.

J Comp Pathol. 2014 Nov;151(4):375-9. doi: 10.1016/j.jcpa.2014.08.002. Epub 2014 Sep 20.


Pure germinomas of the central nervous system: treatment strategies and outcomes.

Schoenfeld A, Haas-Kogan DA, Molinaro A, Banerjee A, Nicolaides T, Tihan T, Bollen AW, Gupta N, Mueller S.

J Neurooncol. 2014 Dec;120(3):643-9. doi: 10.1007/s11060-014-1599-7. Epub 2014 Sep 5.


Transient hyperckemia in the setting of neuromyelitis optica (NMO).

Malik R, Lewis A, Cree BA, Ratelade J, Rossi A, Verkman AS, Bollen AW, Ralph JW.

Muscle Nerve. 2014 Nov;50(5):859-62. doi: 10.1002/mus.24298. Epub 2014 Sep 24.


Mutational analysis reveals the origin and therapy-driven evolution of recurrent glioma.

Johnson BE, Mazor T, Hong C, Barnes M, Aihara K, McLean CY, Fouse SD, Yamamoto S, Ueda H, Tatsuno K, Asthana S, Jalbert LE, Nelson SJ, Bollen AW, Gustafson WC, Charron E, Weiss WA, Smirnov IV, Song JS, Olshen AB, Cha S, Zhao Y, Moore RA, Mungall AJ, Jones SJM, Hirst M, Marra MA, Saito N, Aburatani H, Mukasa A, Berger MS, Chang SM, Taylor BS, Costello JF.

Science. 2014 Jan 10;343(6167):189-193. doi: 10.1126/science.1239947. Epub 2013 Dec 12.


Temporal and geographic clustering of polyomavirus-associated olfactory tumors in 10 free-ranging raccoons (Procyon lotor).

Giannitti F, Higgins RJ, Pesavento PA, Dela Cruz F, Clifford DL, Piazza M, Parker Struckhoff A, Del Valle L, Bollen AW, Puschner B, Kerr E, Gelberg H, Mete A, McGraw S, Woods LW.

Vet Pathol. 2014 Jul;51(4):832-45. doi: 10.1177/0300985813502817. Epub 2013 Sep 17.


Tuberculoma of the central nervous system.

DeLance AR, Safaee M, Oh MC, Clark AJ, Kaur G, Sun MZ, Bollen AW, Phillips JJ, Parsa AT.

J Clin Neurosci. 2013 Oct;20(10):1333-41. doi: 10.1016/j.jocn.2013.01.008. Epub 2013 Jun 12. Review.


Genome-wide association analysis identifies a mutation in the thiamine transporter 2 (SLC19A3) gene associated with Alaskan Husky encephalopathy.

Vernau KM, Runstadler JA, Brown EA, Cameron JM, Huson HJ, Higgins RJ, Ackerley C, Sturges BK, Dickinson PJ, Puschner B, Giulivi C, Shelton GD, Robinson BH, DiMauro S, Bollen AW, Bannasch DL.

PLoS One. 2013;8(3):e57195. doi: 10.1371/journal.pone.0057195. Epub 2013 Mar 4.


Clear cell ependymoma in a dog.

Traslavina RP, Kent MS, Mohr FC, Dickinson PJ, Vernau KM, Bollen AW, Higgins RJ.

J Comp Pathol. 2013 Jul;149(1):53-6. doi: 10.1016/j.jcpa.2012.11.236. Epub 2012 Dec 27.


Clinical utility of LC3 and p62 immunohistochemistry in diagnosis of drug-induced autophagic vacuolar myopathies: a case-control study.

Lee HS, Daniels BH, Salas E, Bollen AW, Debnath J, Margeta M.

PLoS One. 2012;7(4):e36221. doi: 10.1371/journal.pone.0036221. Epub 2012 Apr 27.


Silent intralesional microhemorrhage as a risk factor for brain arteriovenous malformation rupture.

Guo Y, Saunders T, Su H, Kim H, Akkoc D, Saloner DA, Hetts SW, Hess C, Lawton MT, Bollen AW, Pourmohamad T, McCulloch CE, Tihan T, Young WL; University of California, San Francisco Brain Arteriovenous Malformation (UCSF bAVM) Study Project.

Stroke. 2012 May;43(5):1240-6. doi: 10.1161/STROKEAHA.111.647263. Epub 2012 Feb 2.


Notch4 normalization reduces blood vessel size in arteriovenous malformations.

Murphy PA, Kim TN, Lu G, Bollen AW, Schaffer CB, Wang RA.

Sci Transl Med. 2012 Jan 18;4(117):117ra8. doi: 10.1126/scitranslmed.3002670.


Failure of the Milwaukee protocol in a child with rabies.

Aramburo A, Willoughby RE, Bollen AW, Glaser CA, Hsieh CJ, Davis SL, Martin KW, Roy-Burman A.

Clin Infect Dis. 2011 Sep;53(6):572-4. doi: 10.1093/cid/cir483.


Reduced expression of integrin alphavbeta8 is associated with brain arteriovenous malformation pathogenesis.

Su H, Kim H, Pawlikowska L, Kitamura H, Shen F, Cambier S, Markovics J, Lawton MT, Sidney S, Bollen AW, Kwok PY, Reichardt L, Young WL, Yang GY, Nishimura SL.

Am J Pathol. 2010 Feb;176(2):1018-27. doi: 10.2353/ajpath.2010.090453. Epub 2009 Dec 17.


Spontaneous canine gliomas: overexpression of EGFR, PDGFRalpha and IGFBP2 demonstrated by tissue microarray immunophenotyping.

Higgins RJ, Dickinson PJ, LeCouteur RA, Bollen AW, Wang H, Wang H, Corely LJ, Moore LM, Zang W, Fuller GN.

J Neurooncol. 2010 May;98(1):49-55. doi: 10.1007/s11060-009-0072-5. Epub 2009 Dec 5.


A grade IV glioblastoma with an oligodendroglial component (GBM-O) in a horse.

Gericota B, Aleman M, Kozikowski TA, Pesavento P, Bollen AW, Madigan JE, Higgins RJ.

J Comp Pathol. 2010 May;142(4):332-5. doi: 10.1016/j.jcpa.2009.09.007. Epub 2009 Nov 7.


Endothelial Notch signaling is upregulated in human brain arteriovenous malformations and a mouse model of the disease.

Murphy PA, Lu G, Shiah S, Bollen AW, Wang RA.

Lab Invest. 2009 Sep;89(9):971-82. doi: 10.1038/labinvest.2009.62. Epub 2009 Jun 22. Erratum in: Lab Invest. 2009 Sep;89(9):1071.


Expression of the tumor suppressor genes NF2, 4.1B, and TSLC1 in canine meningiomas.

Dickinson PJ, Surace EI, Cambell M, Higgins RJ, Leutenegger CM, Bollen AW, LeCouteur RA, Gutmann DH.

Vet Pathol. 2009 Sep;46(5):884-92. doi: 10.1354/vp.08-VP-0251-D-FL. Epub 2009 May 9.


Under the radar: balamuthia amebic encephalitis.

Schuster FL, Yagi S, Gavali S, Michelson D, Raghavan R, Blomquist I, Glastonbury C, Bollen AW, Scharnhorst D, Reed SL, Kuriyama S, Visvesvara GS, Glaser CA.

Clin Infect Dis. 2009 Apr 1;48(7):879-87. doi: 10.1086/597260.


Epigenetic silencing of the kinase tumor suppressor WNK2 is tumor-type and tumor-grade specific.

Jun P, Hong C, Lal A, Wong JM, McDermott MW, Bollen AW, Plass C, Held WA, Smiraglia DJ, Costello JF.

Neuro Oncol. 2009 Aug;11(4):414-22. doi: 10.1215/15228517-2008-096. Epub 2008 Nov 11.


Evidence of inflammatory cell involvement in brain arteriovenous malformations.

Chen Y, Zhu W, Bollen AW, Lawton MT, Barbaro NM, Dowd CF, Hashimoto T, Yang GY, Young WL.

Neurosurgery. 2008 Jun;62(6):1340-9; discussion 1349-50. doi: 10.1227/01.neu.0000333306.64683.b5.


Sarcoidosis of the pineal gland: an unusual presentation of neurosarcoidosis.

Yang I, Delpolyi A, Sughrue ME, Rubenstein J, Bollen AW, Parsa AT.

J Neurooncol. 2009 Jan;91(1):113-6. doi: 10.1007/s11060-008-9687-1. Epub 2008 Aug 31.


Choroid plexus tumors in 56 dogs (1985-2007).

Westworth DR, Dickinson PJ, Vernau W, Johnson EG, Bollen AW, Kass PH, Sturges BK, Vernau KM, Lecouteur RA, Higgins RJ.

J Vet Intern Med. 2008 Sep-Oct;22(5):1157-65. doi: 10.1111/j.1939-1676.2008.0170.x. Epub 2008 Aug 6.


Endothelial Notch4 signaling induces hallmarks of brain arteriovenous malformations in mice.

Murphy PA, Lam MT, Wu X, Kim TN, Vartanian SM, Bollen AW, Carlson TR, Wang RA.

Proc Natl Acad Sci U S A. 2008 Aug 5;105(31):10901-6. doi: 10.1073/pnas.0802743105. Epub 2008 Jul 30.


Magnetic resonance imaging and histological classification of intracranial meningiomas in 112 dogs.

Sturges BK, Dickinson PJ, Bollen AW, Koblik PD, Kass PH, Kortz GD, Vernau KM, Knipe MF, Lecouteur RA, Higgins RJ.

J Vet Intern Med. 2008 May-Jun;22(3):586-95. doi: 10.1111/j.1939-1676.2008.00042.x. Epub 2008 May 2.


Vascular endothelial growth factor mRNA expression and peritumoral edema in canine primary central nervous system tumors.

Dickinson PJ, Sturges BK, Higgins RJ, Roberts BN, Leutenegger CM, Bollen AW, LeCouteur RA.

Vet Pathol. 2008 Mar;45(2):131-9. doi: 10.1354/vp.45-2-131.


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