Photo of Chris Yedinak, M.N., F.N.P., D.N.P.

Chris Yedinak M.N., F.N.P., D.N.P.

  • (503) 494-4314
    • Assistant Professor of Neurological Surgery, Division of Skull Base and Cerebrovascular School of Medicine

Chris Yedinak is the family nurse practitioner and clinical research trials coordinator who oversees patient care at the OHSU Northwest Pituitary Center. Educated in Sydney, Australia, Chris has a background in psychiatric nursing care and tertiary education. Her research interests include: pituitary pathology and Cushing's disease. For the last five years she has specialized in neuroendocrine testing, and pre- and post-operative care of patients with neuroendocrine and pituitary diseases.

For information about our academic department, conferences, residency and fellowships, visit the Department of Neurological Surgery's website.


  • F.N.P., CQUniversity, Rockhampton Oregon Australia 2011
  • Certifications:

    • Family nurse practitioner, The American Association of Colleges of Nursing (AACN)


  • "Polycystic ovarian syndrome and Cushing's syndrome" European Journal of Obstetrics and Gynecology and Reproductive Biology  2014
  • "Pituitary Disorders - Specific Issues for Women"  March 8 2013
  • "Growth hormone granulation pattern and somatostatin receptor subtype 2A correlate with postoperative somatostatin receptor ligand response in acromegaly" Pituitary December 2013
  • "Anti-CTLA-4 antibody therapy associated autoimmune hypophysitis" Pituitary March 2010
  • "Temozolomide for corticotroph pituitary adenomas refractory to standard therapy" Pituitary March 2011
  • "Diabetes insipidus, panhypopituitarism, and severe menta l stat us deterioration in a patient with chordoid glioma" Endocrine Practice April 2009
  • "Remission rate after transsphenoidal surgery in patients with pathologically confirmed Cushing's disease, the role of cortisol, ACTH assessment and immediate reoperation" Pituitary December 2013
  • "Self-perception of cognitive function among patients with active acromegaly, controlled acromegaly, and non-functional pituitary adenoma" Endocrine  2014
  • "Case Report" F1000Research July 25 2014
  • "Significant headache improvement after transsphenoidal surgery in patients with small sellar lesions" Journal of Neurosurgery February 2009
  • "Discordant growth hormone and IGF-1 levels post pituitary surgery in patients with acromegaly naïve to medical therapy and radiation" Pituitary December 2012
  • "FRAX score in acromegaly" Clinical Endocrinology  2014
  • "Recovery rate of adrenal function after surgery in patients with acromegaly is higher than in those with non-functioning pituitary tumors" Pituitary October 10 2015
  • "Normal hypothalamic-pituitary-adrenal axis by high-dose cosyntropin testing in patients with abnormal response to low-dose cosyntropin stimulation" Endocrine Practice January 2010
  • "Factors associated with biochemical remission after microscopic transsphenoidal surgery for acromegaly" Journal of Neurological Surgery, Part B: Skull Base February 2014
  • "Giant GH-secreting pituitary adenomas" European Journal of Endocrinology June 1 2015
  • "Preoperative lateralization modalities for cushing Disease" Journal of Neurological Surgery, Part B: Skull Base June 1 2015
  • "Cushing's syndrome might be underappreciated in patients seeking bariatric surgery" Surgery for Obesity and Related Diseases January 2009
  • "Cabergoline-induced cerebral spinal fluid leak in a patient with a large prolactinoma and MEN1" Endocrinologist August 2010
  • "Dopamine agonist therapy induces significant recovery of HPA axis function in prolactinomas independent of tumor size" Endocrine July 26 2016
  • "Medical therapy with pasireotide in recurrent Cushing's disease" Frontiers in Endocrinology February 27 2017
  • "Predictors of silent corticotroph adenoma recurrence; a large retrospective single center study and systematic literature review" Pituitary October 14 2017
  • "Clinical profile of silent growth hormone pituitary adenomas; higher recurrence rate compared to silent gonadotroph pituitary tumors, a large single center experience" Endocrine October 17 2017
  • "High prevalence of adrenal insufficiency at diagnosis and headache recovery in surgically resected Rathke’s cleft cysts—a large retrospective single center study" Endocrine January 1 2018

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