Marco Gessi

Summary

Publications

  1. doi request reprint GNA11 and N-RAS mutations: alternatives for MAPK pathway activating GNAQ mutations in primary melanocytic tumours of the central nervous system
    M Gessi
    Inst of Neuropathology, University of Bonn Medical Center, 53127 Bonn, Germany
    Neuropathol Appl Neurobiol 39:417-25. 2013
  2. doi request reprint Extracranial metastasizing solitary fibrous tumors (SFT) of meninges: histopathological features of a case with long-term follow-up
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53105 Bonn, Germany
    Neuropathology 33:68-74. 2013
  3. ncbi request reprint H3.3 G34R mutations in pediatric primitive neuroectodermal tumors of central nervous system (CNS-PNET) and pediatric glioblastomas: possible diagnostic and therapeutic implications?
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127 Bonn, Germany
    J Neurooncol 112:67-72. 2013
  4. doi request reprint Absence of KIAA1549-BRAF fusion in rosette-forming glioneuronal tumors of the fourth ventricle (RGNT)
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53105, Bonn, Germany
    J Neurooncol 110:21-5. 2012
  5. doi request reprint Analysis of KIAA1549-BRAF fusion status in a case of rosette-forming glioneuronal tumor of the fourth ventricle (RGNT)
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Neuropathology 31:654-7. 2011
  6. doi request reprint Rare histological variants in ependymomas: histopathological analysis of 13 cases
    Marco Gessi
    Inst of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127, Bonn, Germany
    Virchows Arch 459:423-9. 2011
  7. doi request reprint Supratentorial primitive neuroectodermal tumors of the central nervous system in adults: molecular and histopathologic analysis of 12 cases
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Am J Surg Pathol 35:573-82. 2011
  8. doi request reprint TP53, β-Catenin and c-myc/N-myc status in embryonal tumours with ependymoblastic rosettes
    M Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Neuropathol Appl Neurobiol 37:406-13. 2011
  9. doi request reprint p53 expression predicts dismal outcome for medulloblastoma patients with metastatic disease
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127 Bonn, Germany
    J Neurooncol 106:135-41. 2012
  10. ncbi request reprint H3F3A K27M mutation in pediatric CNS tumors: a marker for diffuse high-grade astrocytomas
    Gerrit H Gielen
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    Am J Clin Pathol 139:345-9. 2013

Collaborators

Detail Information

Publications17

  1. doi request reprint GNA11 and N-RAS mutations: alternatives for MAPK pathway activating GNAQ mutations in primary melanocytic tumours of the central nervous system
    M Gessi
    Inst of Neuropathology, University of Bonn Medical Center, 53127 Bonn, Germany
    Neuropathol Appl Neurobiol 39:417-25. 2013
    ..Primary melanocytic tumours are uncommon neoplasms of the central nervous system. Although similarities with uveal melanomas have been hypothesized, data on their molecular features are limited...
  2. doi request reprint Extracranial metastasizing solitary fibrous tumors (SFT) of meninges: histopathological features of a case with long-term follow-up
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53105 Bonn, Germany
    Neuropathology 33:68-74. 2013
    ..In this report, we describe the detailed clinico-pathological features of a meningeal solitary fibrous tumor presenting during a 17-year follow-up period, multiple intra-, extracranial relapses and lung metastases...
  3. ncbi request reprint H3.3 G34R mutations in pediatric primitive neuroectodermal tumors of central nervous system (CNS-PNET) and pediatric glioblastomas: possible diagnostic and therapeutic implications?
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127 Bonn, Germany
    J Neurooncol 112:67-72. 2013
    ..3 mutation. In this view, additional studies are needed to determine whether H3.3 G34 mutated CNS-PNET/glioblastomas may represent a defined tumor subtype...
  4. doi request reprint Absence of KIAA1549-BRAF fusion in rosette-forming glioneuronal tumors of the fourth ventricle (RGNT)
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53105, Bonn, Germany
    J Neurooncol 110:21-5. 2012
    ..Our data support the hypothesis that RGNT may represent a distinct entity among the glioneuronal tumors of the central nervous system, with molecular features different from pilocytic astrocytomas...
  5. doi request reprint Analysis of KIAA1549-BRAF fusion status in a case of rosette-forming glioneuronal tumor of the fourth ventricle (RGNT)
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Neuropathology 31:654-7. 2011
    ..However, the analysis did not show any fusion. Further studies in larger RGNT case series are needed in order to demonstrate the possible presence of KIAA1549-BRAF fusion and better delineate its relationship with pilocytic astrocytomas...
  6. doi request reprint Rare histological variants in ependymomas: histopathological analysis of 13 cases
    Marco Gessi
    Inst of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127, Bonn, Germany
    Virchows Arch 459:423-9. 2011
    ..However, awareness on these rare histological patterns in ependymomas is necessary in the differential diagnosis with other primary or secondary brain tumors...
  7. doi request reprint Supratentorial primitive neuroectodermal tumors of the central nervous system in adults: molecular and histopathologic analysis of 12 cases
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Am J Surg Pathol 35:573-82. 2011
    ....
  8. doi request reprint TP53, β-Catenin and c-myc/N-myc status in embryonal tumours with ependymoblastic rosettes
    M Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Neuropathol Appl Neurobiol 37:406-13. 2011
    ..42, common in both ependymoblastoma and embryonal tumour with abundant neuropil and true rosettes, suggests that they represent a histological spectrum of a single biological entity...
  9. doi request reprint p53 expression predicts dismal outcome for medulloblastoma patients with metastatic disease
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53127 Bonn, Germany
    J Neurooncol 106:135-41. 2012
    ..35 ± 18%, P = 0.05). Three of the p53-positive MBs harbored a point mutation in the TP53 gene. p53 protein assessment by immunohistochemistry may be a useful tool for sub-stratification of metastatic high-risk MB patients...
  10. ncbi request reprint H3F3A K27M mutation in pediatric CNS tumors: a marker for diffuse high-grade astrocytomas
    Gerrit H Gielen
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, D 53105 Bonn, Germany
    Am J Clin Pathol 139:345-9. 2013
    ..Because H3F3A K27M mutations occur exclusively in pediatric diffuse high-grade astrocytomas, analysis of codon 27 mutational status could be useful in the differential diagnosis of these neoplasms...
  11. ncbi request reprint FGFR1 mutations in Rosette-forming glioneuronal tumors of the fourth ventricle
    Marco Gessi
    From the Institut of Neuropathology, University of Bonn Medical Center, Bonn, Germany MG, YAM, JH, TG, DD, AW, TP Institut of Neurosurgery, Klinikum Duisburg, Duisburg, Germany MS
    J Neuropathol Exp Neurol 73:580-4. 2014
    ..Whether FGFR1 mutated RGNTs represent a specific subset of this rare tumor entity remains to be determined. ..
  12. doi request reprint Genome-wide DNA copy number analysis of desmoplastic infantile astrocytomas and desmoplastic infantile gangliogliomas
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    J Neuropathol Exp Neurol 72:807-15. 2013
    ..Notably, these results suggest that DIA and DIG represent a histologic spectrum of the same tumor rather than 2 separate entities. ..
  13. doi request reprint CRX/OTX3: a useful marker in the differential diagnosis of tumors of the pineal region and indicator of photoreceptor differentiation in medulloblastomas and atypical teratoid rhabdoid tumors
    Gerrit H Gielen
    Institute of Neuropathology, University of Bonn Medical Center, Bonn, Germany
    Appl Immunohistochem Mol Morphol 21:248-53. 2013
    ....
  14. doi request reprint Nuclear exclusion of TET1 is associated with loss of 5-hydroxymethylcytosine in IDH1 wild-type gliomas
    Tim Muller
    Department of Neuropathology, University of Bonn, Bonn, Germany
    Am J Pathol 181:675-83. 2012
    ..0122). Our data suggest that the loss of 5hmC is a frequent event in gliomas, independent of IDH1 mutation, and may be influenced by the nuclear exclusion of TET1 from the nuclei of glioma cells...
  15. doi request reprint Unusual clinico-pathological features in primary Hodgkin's lymphomas of the central nervous system
    Marco Gessi
    Institute of Neuropathology, University of Bonn Medical Center, Sigmund Freud Strasse 25, 53105, Bonn, Germany
    Acta Neurochir (Wien) 155:19-24. 2013
    ..The third case occurred as a temporal lesion in the settings of a Richter transformation of a chronic lymphocytic leukemia...
  16. ncbi request reprint Cystic dysplasia of the rete testis associated to cryptorchidism: a case report
    Lorenzo Nanni
    Department of Pediatrics, Division of Pediatric Surgery, Universita Cattolica del Sacro Cuore, Policlinico A Gemelli, Roma, Italy
    Arch Ital Urol Androl 77:199-201. 2005
    ..CDRT is a rare cause of scrotal swelling in the pediatric patient. When diagnosis is suspected, based on clinical and sonographic findings, conservative surgery may be considered...
  17. doi request reprint An acardiac twin with advanced brain development and a minor form of holoprosencephaly and intracerebral retina-like pigmented tissue: a case report and review of the literature
    Sebastian Huss
    Department of Paidopathology, University of Bonn Medical Center, Bonn, Germany
    Pediatr Dev Pathol 14:411-7. 2011
    ....