Pediatric Neurosurgery Team

Director, Center for CSF Disorders of the Brain and Spine, Director, Pediatric Neurosurgery Division

Petra Klinge, MD is an internationally renowned general neurosurgeon specializing in the surgical treatment of patients with brain tumors, hydrocephalus and Alzheimer’s disease, pediatric diseases and treatment of congenital diseases like Chiari and spinal malformations.

Dr. Klinge is a professor of neurosurgery at The Warren Alpert School of Medicine at Brown University. Prior to this, she was professor of neurosurgery at the Medical School Hannover, Germany. She received her medical degree at the University of Kiel in 1993 and completed her neurosurgical residency at Hannover Medical School in Germany in 2002. She was senior associate professor of neurosurgery at the International Neuroscience Institute in Hannover, Germany, where she had the opportunity to be educated by Professor M. Samii, a founder of modern skull base surgery.

Dr. Klinge is an active member of the American Association of Neurosurgeons and the Congress of Neurological Surgeons. She is editor in chief of the Elsevier journal Interdisciplinary Neurosurgery: Advanced Techniques and Case Management (INAT) and associate editor of Clinical Neurology and Neurosurgery (CNN). She also serves as reviewer for international scientific journals including NeurosurgeryJournal of NeurosurgeryJournalof NeurologyNeurosurgery & Psychiatry and others. She is past president of the International Society for Hydrocephalus and CSF disorders.

Dr. Klinge’s scientific interests comprise the development of advanced techniques for diagnosing and treatment of dementia, experimental work to advance the understanding of normal aging and dementia and to develop novel biotechnical treatment approaches including stem cell therapy. Her scientific publications are listed by the US National Library of Medicine.

Professional Papers

  • Multiplicity of Cerebrospinal Fluid Functions: New Challenges in Health and Disease Conrad E. Johanson; John A. Duncan; Petra M. Klinge; Edward G. Stopa and Gerald PD. Silverberg. Cerebrospinal Fluid Research 2008
  • Modified calcium accumulation after controlled cortical impact under cyclosporin A treatment: a (45)Ca autoradiographic study. Mirzayan MJ; Klinge PM; Ude S; Hotop A; Samii M; Brinker T; Korkmaz Z; Meyer GJ; Knapp WH; Samii A. Neurol Res. 2008
  • Correlates of local cerebral blood flow (CBF) in normal pressure hydrocephalus patients before and after shunting-A retrospective analysis of [(15)O]H(2)O PET-CBF studies in 65 patients. Klinge PM; Brooks DJ; Samii A; Weckesser E; van den Hoff J; Fricke H; Brinker T; Knapp WH; Berding G. Clinical Neurol Neurosurg 2008
  • A positron emission tomography study of cerebrovascular reserve before and after shunt surgery in patients with idiopathic chronic hydrocephalus. Klinge PM; Berding G; Brinker T; Knapp WH; Samii M. J Neurosurg. 1999 Oct; 91(4): 605-9.
  • Outcome of shunting in idiopathic normal-pressure hydrocephalus and the value of outcome assessment in shunted patients. Klinge P; Marmarou A; Bergsneider M; Relkin N; Black PM. Neurosurgery. 2005 Sep; 57 (3 Suppl):S40-52
  • Correlates of local cerebral blood flow (CBF) in normal pressure hydrocephalus patients before and after shunting-A retrospective analysis of [(15)O]H(2)O PET-CBF studies in 65 patients. Klinge PM; Brooks DJ; Samii A; Weckesser E; van den Hoff J; Fricke H; Brinker T; Knapp WH; Berding G. Clinical Neurol Neurosurg 2008
  • Amyloid and Tau accumulate in the brains of aged hydrocephalic rats. Gerald D. Silverberg, Miles C. Miller, Jason T. Machan, Conrad E. Johanson, Ilias N. Caralopoulos, Crissey L. Pascale, Anna Heile, Petra M. Klinge. BRAIN RESEARCH 1317 (2010) 286 – 296
Pediatric Neurosurgeon

Konstantina Svokos, DO, is a neurosurgeon who specializes in pediatric neurosurgery. She has done both clinical and molecular research throughout her training and her work has been published in several peer-reviewed journals and book chapters.

Dr. Svokos is fluent in English, Greek and Spanish. She is a member of the Society for Neuro Oncology, the American College of Osteopathic Surgeons, the Congress of Neurological Surgeons and the American Association of Neurological Surgeons.

Yunika Presson, CPNP
Nurse Practitioner

Presson has been with Hasbro Children's Hospital since 2008. She received her undergraduate education from Howard University in Washington, D.C. She received her graduate education at the University of Pennsylvania in Philadelphia, PA.

Presson has been a nurse practitioner in pediatric neurosurgery since 2001. She started her neurosurgery career at the Children’s National Medical Center in Washington, DC, where she worked for 6 years. Her experience includes both inpatient and outpatient management.