Matthew Torre

Matthew Torre
Harvard Medical School | HMS · Department of Pathology

Doctor of Medicine

About

39
Publications
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2,529
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Publications

Publications (39)
Article
Full-text available
Purpose To evaluate the epidemiology of primary and metastatic pediatric brain tumors in the United States according to the WHO CNS 4th and 5th editions classifications. Methods Pediatric patients (age ≤ 14) presenting between 2004 and 2017 with a brain tumor were identified in the National Cancer Database and categorized by NICHD age stages. Pati...
Article
The unintended neurologic sequelae of chemotherapy contribute to significant patient morbidity. Chemotherapy-related cognitive impairment (CRCI) is observed in up to 80% of cancer patients treated with chemotherapy and involves multiple cognitive domains including executive functioning. The pathophysiology underlying CRCI and the neurotoxicity of c...
Article
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Clasmatodendrosis derives from the Greek for fragment (klasma), tree (dendron), and condition (- osis). Cajal first used the term in 1913: he observed disintegration of the distal cell processes of astrocytes, along with a fragmentation or beading of proximal processes closer to the astrocyte cell body. In contemporary clinical and experimental rep...
Article
The 2016 WHO classifies IDH-mutant gliomas into oligodendroglioma or diffuse astrocytoma based on co-occurring genetic events. Recent literature addresses the concept of stratifying IDH-mutant gliomas based on prognostically significant molecular events. However, the presence of a second class-defining driver alteration in IDH-mutant gliomas has no...
Article
Importance Recognizing the presenting and immunopathological features of Kelch-like protein-11 immunoglobulin G seropositive (KLHL11 IgG+) patients may aid in early diagnosis and management. Objective To describe expanding neurologic phenotype, cancer associations, outcomes, and immunopathologic features of KLHL11 encephalitis. Design, Setting, a...
Article
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Fusions involving neurotrophic tyrosine receptor kinase (NTRK) genes are detected in ≤2% of gliomas and can promote gliomagenesis. The remarkable therapeutic efficacy of TRK inhibitors, which are among the first Food and Drug Administration-approved targeted therapies for NTRK-fused gliomas, has generated significant clinical interest in characteri...
Article
Malignant peritoneal mesothelioma is a rare aggressive tumor that arises from the peritoneal lining. While recurrent BAP1 mutations have been identified in a subset of mesotheliomas, molecular characteristics of peritoneal mesotheliomas, including those lacking BAP1 alterations, remain poorly understood. Using targeted next-generation sequencing, w...
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Administration of systemic antineoplastic agents can result in adverse neurologic events. We describe the clinicopathologic features and putative mechanisms underlying iatrogenic neuropathology of the central nervous system secondary to chimeric antigen receptor (CAR) T-cell therapy and conventional chemotherapy.
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INTRODUCTION Metastases comprise a significant subset of all intracranial neoplasms, but their national composition remains unclear and challenging to track in national cancer registries. METHODS The patient demographics and histologic distribution of newly-diagnosed brain metastasis (BM) patients aged >18yo without a prior history of cancer (2010...
Article
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INTRODUCTION Herein we examine the epidemiology and outcomes of the entire spectrum of intracranial tumors in the contemporary era. METHODS Adult patients (≥20yo) presenting between 2010–2015 where the first evidence of cancer involves an intracranial tumor were queried from the National Cancer Database, which comprises >70% of cancers newly-diagn...
Article
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INTRODUCTION Herein we examine the epidemiology across all pediatric intracranial tumors in the U.S. METHODS Pediatric patients (< 20yo) presenting between 2010–2015 with an intracranial tumor as the first evidence of cancer were queried from the National Cancer Database, which comprises >70% of cancers newly-diagnosed in the U.S. Tumor types were...
Chapter
Cytologic examination of cerebrospinal fluid (CSF) plays an integral role in the evaluation and prognosis of myriad conditions involving the central nervous system, including malignancy and infection. In this chapter, we address practical questions about CSF cytology preparation, cytologic analysis, and ancillary testing/workup with an emphasis on...
Article
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Background: Although surgery plays a crucial diagnostic role in WHO grade II 1p/19q-codeleted oligodendrogliomas, the role of maximal tumor surgical resection remains unclear, with early retrospective series limited by lack of molecular classification or appropriate control groups. Methods: The characteristics, management, and overall survival (...
Article
Introduction: Dissemination of tumor to the leptomeninges, subarachnoid space, and cerebrospinal fluid (CSF) is termed leptomeningeal metastasis (LM) and occurs in approximately 5% of patients with solid tumors. LM is associated with dismal clinical prognosis, and routine cytologic and radiologic methods for diagnosing LM have limited sensitivity....
Article
Full-text available
INTRODUCTION: Metastases are oft-cited as comprising approximately half of all adult intracranial neoplasms, and their national composition remains unclear. METHODS: The patient demographics and histologic distribution of newly-diagnosed brain metastasis (BM) patients aged > 18yo without a prior history of cancer (2010–2015) were evaluated using th...
Article
Ependymomas show poor correlation between World Health Organization grade and clinical outcome. A subgroup of supratentorial ependymomas are characterized by C11orf95-RELA fusions, presumed to be secondary to chromothripsis of chromosome 11, resulting in constitutive activation of the NF-κB signaling pathway and overexpression of cyclin D1, p65, an...
Article
Chimeric antigen receptor T cell therapy has become an important tool in the treatment of relapsed and refractory malignancy; however, it is associated with significant neurological toxicity. We characterized the neurological toxicity associated with chimeric antigen receptor T-cell therapy in a consecutive series of 100 patients up to 2 months pos...
Article
BCOR is an epigenetic regulator and is genetically altered by mutation, deletion, or gene fusion in a range of cancers. “Central nervous system high-grade neuroepithelial tumor with BCOR alteration” is a recently described entity with characteristic internal tandem duplications within exon 15 of the BCOR gene (hereafter: CNS HGNET-BCOR ex15 ITD). I...
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Purpose: The integrated histopathologic and molecular diagnoses of the 2016 WHO classification of central nervous system tumors have revolutionized patient care by improving diagnostic accuracy and reproducibility; however, the frequency and consequences of misclassification of histologically diagnosed diffuse gliomas are unknown. Experimental Desi...
Article
Importance: Burnout is a self-reported job-related syndrome increasingly recognized as a critical factor affecting physicians and their patients. An accurate estimate of burnout prevalence among physicians would have important health policy implications, but the overall prevalence is unknown. Objective: To characterize the methods used to assess...
Article
We report a case of a 20-month-old male presenting with seizures who was found to have a T2 hyperintense lesion in the left medial temporal lobe that was initially clinically and radiologically thought to be either low-grade glioma or focal cortical dysplasia. Histologic, immunohistochemical and molecular evaluation (array CGH, Archer fusion panel)...
Article
Chimeric antigen receptor (CAR) T cells are a new and powerful class of cancer immunotherapeutics that have shown potential for the treatment of hematopoietic malignancies. The tremendous promise of this approach is tempered by safety concerns, including potentially fatal neurotoxicity, sometimes but not universally associated with cytokine release...
Article
Upon detection of foreign-body embolization to the central nervous system (CNS) following a specific invasive cardiovascular procedure in 1 autopsied child, we undertook a quality assurance analysis to determine whether other patients had had similar events. Autopsies of all infants and children with history of cardiac catheterization, heart surger...
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Importance Medical students are at high risk for depression and suicidal ideation. However, the prevalence estimates of these disorders vary between studies. Objective To estimate the prevalence of depression, depressive symptoms, and suicidal ideation in medical students. Data Sources and Study Selection Systematic search of EMBASE, ERIC, MEDLIN...
Article
There is a strong need to better understand the neurobiology of juvenile sociability (tendency to seek social interaction), a phenotype of central relevance to autism spectrum disorders (ASD). Although numerous genetic mouse models of ASD showing reduced sociability have been reported, and certain brain regions, such as the amygdala, have been impl...
Article
Full-text available
Background: Aortic valve replacement for calcific aortic valve stenosis is one of the more common cardiac surgical procedures. However, the underlying pathophysiology of calcific aortic valve stenosis is poorly understood. We therefore investigated the histologic findings of aortic valves excised for calcific aortic valve stenosis and correlated t...
Article
Cardiac troponins I and T are established biomarkers of cardiac injury. Testing for either of these two cardiac troponins has long been an essential component of the diagnosis of acute myocardial infarction. In addition, cardiac troponin concentrations after acute myocardial infarction predict future adverse events including development of ischemic...
Article
To the Editor: The detection and monitoring of preanalytical bias in the clinical laboratory can be challenging, as bias can be introduced at any point from specimen collection to sample processing, and those biases stemming from sample collection or handling before delivery to the laboratory can be difficult to measure and eliminate. In particula...
Article
Sociability--the tendency to seek social interaction--propels the development of social cognition and social skills, but is disrupted in autism spectrum disorders (ASD). BALB/cJ and C57BL/6J inbred mouse strains are useful models of low and high levels of juvenile sociability, respectively, but the neurobiological and developmental factors that acc...
Conference Paper
Background: Many individuals with autism spectrum disorders (ASD) show both reduced sociability (reduced tendency to seek social interaction), and disabling anxiety symptoms, but the biological relationship between sociability and anxiety is not well understood. Mouse model systems are useful for experimentally testing the relationship between so...

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