All Stories

  1. A rare challenging case of co-existent craniopharyngioma, acromegaly and squamous cell lung cancer

    Article • Endocrinology Diabetes and Metabolism Case Reports, March 2018, Bioscientifica

    Dr Niki Karavitaki

  2. Recent advances in molecular pathology of craniopharyngioma

    Article • F1000Research, July 2017, Faculty of 1000, Ltd.

    Dr Niki Karavitaki

  3. Outcome of Nonfunctioning Pituitary Adenomas That Regrow After Primary Treatment: A Study From Two Large UK Centers

    Article • The Journal of Clinical Endocrinology & Metabolism, March 2017, Endocrine Society

    Dr. Michael W O'Reilly, Dr Niki Karavitaki, Prof Wiebke Arlt, GEORGIA NTALI, ashley grossman

  4. THERAPY OF ENDOCRINE DISEASE: Surgery in microprolactinomas: effectiveness and risks based on contemporary literature

    Article • European Journal of Endocrinology, May 2016, Bioscientifica

    Dr Niki Karavitaki

  5. Childhood Hypothalamic and Pituitary Tumors∗

    Article • January 2016, Elsevier

    Dr Niki Karavitaki, GEORGIA NTALI

  6. Patient-reported outcomes of parenteral somatostatin analogue injections in 195 patients with acromegaly

    Article • European Journal of Endocrinology, December 2015, Bioscientifica

    Dr Niki Karavitaki, Professor Christian J. Strasburger, Marta Korbonits

  7. Recent advances in the management of acromegaly

    Article • F1000Research, December 2015, Faculty of 1000, Ltd.

    Dr Niki Karavitaki, GEORGIA NTALI

  8. Effectiveness of Metyrapone in Treating Cushing's Syndrome: A Retrospective Multicenter Study in 195 Patients

    Article • The Journal of Clinical Endocrinology & Metabolism, November 2015, Endocrine Society

    Dr Niki Karavitaki

  9. Mortality of patients with non-functioning pituitary macroadenoma is significantly elevated: systematic analysis of 546 cases in a tertiary referral centre in the UK

    Article • October 2015

    Dr Niki Karavitaki

  10. The burden of AIP mutations in pituitary adenoma patients from the UK

    Article • October 2015

    Dr Niki Karavitaki

  11. Treating prolactinomas with dopamine agonists: always worth the gamble?

    Article • Endocrine, September 2015, Springer Science + Business Media

    Dr Niki Karavitaki

  12. Landscape of Familial Isolated and Young-Onset Pituitary Adenomas: Prospective Diagnosis inAIPMutation Carriers

    Article • The Journal of Clinical Endocrinology & Metabolism, September 2015, Endocrine Society

    Dr Warrick J Inder, Dr Niki Karavitaki, Marta Korbonits

  13. SDHC Mutations are Associated with Cardiac Paragangliomas: A Case Report of a Patient With a Dopamine-Secreting Tumor and Review of the Literature

    Article • AACE Clinical Case Reports, September 2015, AACE Corp (American Association of Clinical Endocrinologists)

    Dr Niki Karavitaki

  14. Diabetes Insipidus after Traumatic Brain Injury

    Article • Journal of Clinical Medicine, July 2015, MDPI AG

    Dr Niki Karavitaki

  15. Mortality of patients with non-functioning pituitary macroadenoma is significantly elevated: systematic analysis of 546 cases in a tertiary referral centre in the UK

    Article • May 2015

    Dr Niki Karavitaki

  16. Prevention of adrenal crisis in stress (The PACS Study): serum cortisol during elective surgery, acute trauma and sepsis in comparison to 'stress dose' hydrocortisone administration in adrenal insufficiency

    Article • May 2015

    Dr Niki Karavitaki

  17. Efficacy and Complications of Pituitary Irradiation

    Article • Endocrinology and Metabolism Clinics of North America, March 2015, Elsevier

    Dr Niki Karavitaki, GEORGIA NTALI

  18. Mortality in patients with non-functioning pituitary adenoma is increased: systematic analysis of 546 cases with long follow-up

    Article • February 2015, Bioscientifica

    Dr Niki Karavitaki

  19. Clinical and biochemical manifestations of Cushing’s

    Article • Pituitary, January 2015, Springer Science + Business Media

    Dr Niki Karavitaki, GEORGIA NTALI

  20. Cushing’s Disease – Quality of Life, Recurrence and Long-term Morbidity

    Article • touchREVIEWS in Endocrinology, January 2015, Touch Digital Media, Ltd.

    Dr Niki Karavitaki

  21. Multi-parametric cardiovascular magnetic resonance imaging detects subclinical myocardial involvement in patients diagnosed with phaeochromocytoma

    Article • Journal of Cardiovascular Magnetic Resonance, January 2015, Springer Science + Business Media

    Dr Niki Karavitaki, Marta Korbonits

  22. Cushing’s Disease – Quality of Life, Recurrence and Long-term Morbidity

    Article • US Endocrinology, January 2015, Touch Digital Media, Ltd.

    Dr Niki Karavitaki

  23. Sequence analysis of the catalytic subunit of PKA in somatotroph adenomas

    Article • European Journal of Endocrinology, December 2014, Bioscientifica

    Dr Niki Karavitaki, Marta Korbonits

  24. MANAGEMENT OF ENDOCRINE DISEASE: Pituitary tumour apoplexy

    Article • December 2014, Bioscientifica

    Dr Niki Karavitaki

  25. Functioning Gonadotroph Adenomas

    Article • The Journal of Clinical Endocrinology & Metabolism, December 2014, Endocrine Society

    Dr Niki Karavitaki, GEORGIA NTALI

  26. Low rate of germline AIP mutations in patients with apparently sporadic pituitary adenomas before the age of 40: a single-centre adult cohort

    Article • European Journal of Endocrinology, November 2014, Bioscientifica

    Dr Niki Karavitaki, Marta Korbonits

  27. The Wnt Signalling Cascade and the Adherens Junction Complex in Craniopharyngioma Tumorigenesis

    Article • Endocrine Pathology, October 2014, Springer Science + Business Media

    Dr Niki Karavitaki

  28. Diagnosis and management of prolactinomas and non-functioning pituitary adenomas

    Article • BMJ, September 2014, BMJ

    Dr Niki Karavitaki

  29. 122 Cardiac Abnormalities are Common in Patients Diagnosed with Phaeochromocytoma as Detected by Cardiovascular Magnetic Resonance Imaging

    Article • Heart, May 2014, BMJ

    Dr Niki Karavitaki, Marta Korbonits

  30. Refractory hypercalcaemia secondary to parathyroid carcinoma: response to high-dose denosumab

    Article • April 2014, Bioscientifica

    Dr Niki Karavitaki, ashley grossman

  31. Quality of life in patients with non-functioning pituitary adenomas

    Article • April 2014

    Dr Niki Karavitaki

  32. BRAF V600E mutations are characteristic for papillary craniopharyngioma and may coexist with CTNNB1-mutated adamantinomatous craniopharyngioma

    Article • Acta Neuropathologica, April 2014, Springer Science + Business Media

    Dr Niki Karavitaki

  33. A Patient with an Apparently Sporadic Pheochromocytoma with a Rearranged During Transfection Codon 635 Variant: A Mild Form of Multiple Endocrine Neoplasia Type 2?

    Article • Endocrine Practice, April 2014, AACE Corp (American Association of Clinical Endocrinologists)

    Dr Isabel Huguet, Dr Niki Karavitaki

  34. High incidence of cardiac involvement in patients diagnosed with phaeochromocytoma: a clinical study using cardiovascular magnetic resonance imaging

    Article • Endocrine Abstracts, March 2014, Bioscientifica

    Dr Niki Karavitaki, Dr Theodoros Karamitsos, Marta Korbonits

  35. The Prevention of Adrenal Crisis in Stress (PACS) study: serum cortisol during elective surgery and acute trauma in comparison to stress dose hydrocortisone in adrenal insufficiency

    Article • March 2014

    Dr Niki Karavitaki

  36. Effectiveness of metyrapone in 195 patients with Cushing's syndrome

    Article • March 2014

    Dr Niki Karavitaki

  37. Management of craniopharyngiomas

    Article • Journal of Endocrinological Investigation, January 2014, Springer Science + Business Media

    Dr Niki Karavitaki

  38. Adrenal insufficiency in acute oral opiate therapy

    Article • Endocrinology Diabetes and Metabolism Case Reports, January 2014, Bioscientifica

    Dr Niki Karavitaki

  39. Rathke's cleft cyst

    Article • January 2014, Elsevier

    Dr Niki Karavitaki

  40. Transsphenoidal pituitary surgery in the elderly is safe and effective

    Article • British Journal of Neurosurgery, December 2013, Taylor & Francis

    Dr Niki Karavitaki

  41. Dandy-Walker Malformation, Papillary Thyroid Carcinoma, and SDHD-Associated Paraganglioma Syndrome

    Article • The Journal of Clinical Endocrinology & Metabolism, December 2013, Endocrine Society

    Dr Isabel Huguet, Dr Niki Karavitaki

  42. Mortality in Cushing's syndrome: systematic analysis of a large series with prolonged follow-up

    Article • August 2013, Bioscientifica

    Dr Niki Karavitaki

  43. The management of head-and-neck paragangliomas

    Article • August 2013, Bioscientifica

    Dr Niki Karavitaki, ashley grossman

  44. Hypophyseal Wegener's granulomatosis presenting by visual field constriction without hypopituitarism

    Article • Clinical Neurology and Neurosurgery, June 2013, Elsevier

    Dr Niki Karavitaki

  45. Does hypopituitarism recover when macroprolactinomas are treated with cabergoline?

    Article • Clinical Endocrinology, May 2013, Wiley

    Dr Niki Karavitaki

  46. Confusing genes: a patient with MEN2A and Cushing's disease

    Article • Clinical Endocrinology, April 2013, Wiley

    Dr Niki Karavitaki

  47. A thyroxine absorption test followed by weekly thyroxine administration: a method to assess non-adherence to treatment

    Article • April 2013, Bioscientifica

    Dr Niki Karavitaki

  48. Bilateral third nerve palsy secondary to an apoplexy in a pituitary macroadenoma causing Cushing's disease: a very rare complication of a rare entity

    Article • April 2013

    Dr Niki Karavitaki

  49. Whole-Exome Sequencing Studies of Nonfunctioning Pituitary Adenomas

    Article • The Journal of Clinical Endocrinology & Metabolism, April 2013, Endocrine Society

    Dr Niki Karavitaki

  50. Epidemiology and natural history of pituitary tumours

    Article • Endocrine Abstracts, March 2013, Bioscientifica

    Dr Niki Karavitaki

  51. Craniopharyngiomas and Wnt signalling pathways

    Article • March 2013

    Dr Niki Karavitaki

  52. Densely and sparsely granulated somatotroph adenomas: clinical, genetic and histological differences

    Article • March 2013

    Dr Niki Karavitaki

  53. Whole-exome sequencing studies of non-functioning pituitary adenomas

    Article • March 2013

    Dr Niki Karavitaki

  54. Granulation pattern, but not GSP or GHR mutation, is associated with clinical characteristics in somatostatin-naive patients with somatotroph adenomas

    Article • January 2013, Bioscientifica

    Dr Niki Karavitaki

  55. Mitotane Therapy in Adrenocortical Cancer Induces CYP3A4 and Inhibits 5α-Reductase, Explaining the Need for Personalized Glucocorticoid and Androgen Replacement

    Article • The Journal of Clinical Endocrinology & Metabolism, January 2013, Endocrine Society

    Dr Niki Karavitaki, Prof Wiebke Arlt

  56. THERAPY IN ENDOCRINE DISEASE: Etomidate in the management of hypercortisolaemia in Cushing's syndrome: a review

    Article • December 2012

    Dr Niki Karavitaki

  57. Current treatment protocols can offer a normal or near-normal quality of life in the majority of patients with non-functioning pituitary adenomas

    Article • Clinical Endocrinology, December 2012, Wiley

    Dr Niki Karavitaki

  58. Neurofibromatosis Type 1 and pancreatic islet cell tumours: an association which should be recognized

    Article • QJM, November 2012, Oxford University Press (OUP)

    Dr Niki Karavitaki

  59. Pasireotide in the Management of Cushing’s Disease: A Review

    Article • International Journal of Clinical Reviews, September 2012, Remedica Medical Education and Publishing

    Dr Niki Karavitaki

  60. Somatostatin Analogs Modulate AIP in Somatotroph Adenomas: The Role of the ZAC1 Pathway

    Article • The Journal of Clinical Endocrinology & Metabolism, August 2012, Endocrine Society

    Dr Niki Karavitaki, Marta Korbonits

  61. Expression of guanylyl cyclase-B (GC-B/NPR2) receptors in normal human fetal pituitaries and human pituitary adenomas implicates a role for C-type natriuretic peptide

    Article • May 2012, Bioscientifica

    Dr Niki Karavitaki, Marta Korbonits

  62. Etomidate in the Management of Hypercortisolaemia in Cushing's Syndrome

    Article • May 2012, Bioscientifica

    Dr Niki Karavitaki, ashley grossman

  63. Pituitary Tumor Surgery in the Elderly: Perioperative Complications and Long-Term Outcome

    Article • Journal of Neurological Surgery Part B Skull Base, May 2012, Thieme Publishing Group

    Dr Niki Karavitaki

  64. MECHANISMS IN ENDOCRINOLOGY: Ipilimumab: a novel immunomodulating therapy causing autoimmune hypophysitis: a case report and review

    Article • April 2012, Bioscientifica

    Dr Niki Karavitaki, ashley grossman

  65. Prevalence and incidence of pituitary adenomas

    Article • Annales d Endocrinologie, April 2012, Elsevier

    Dr Niki Karavitaki

  66. Mini-review: pheochromocytomas causing the ectopic ACTH syndrome

    Article • Endocrine, March 2012, Springer Science + Business Media

    Dr Niki Karavitaki

  67. Disconnection hyperprolactinaemia in nonadenomatous sellar/parasellar lesions practically never exceeds 2000 mU/l

    Article • Clinical Endocrinology, March 2012, Wiley

    Dr Niki Karavitaki

  68. The endocrine glands

    Article • February 2012, Taylor & Francis

    Dr Niki Karavitaki

  69. Rathke’s cleft cysts

    Article • Clinical Endocrinology, January 2012, Wiley

    Dr Niki Karavitaki

  70. Craniopharyngiomas: An Overview

    Article • January 2012, Springer Science + Business Media

    Dr Niki Karavitaki, MD Tim IM Korevaar, GEORGIA NTALI

  71. IGF2-induced hypoglycemia unresponsive to everolimus

    Article • QJM, December 2011, Oxford University Press (OUP)

    Dr Niki Karavitaki

  72. Can we ever stop imaging in surgically treated and radiotherapy-naive patients with non-functioning pituitary adenoma?

    Article • September 2011

    Dr Niki Karavitaki

  73. Pituitary apoplexy in non‐functioning pituitary adenomas: long term follow up is important because of significant numbers of tumour recurrences

    Article • Clinical Endocrinology, September 2011, Wiley

    Dr Niki Karavitaki

  74. 13.3 Disorders of the posterior pituitary gland

    Article • May 2011, Oxford University Press (OUP)

    Dr Niki Karavitaki

  75. Outcome in surgically treated Rathke's cleft cysts: long-term monitoring needed

    Article • April 2011

    Dr Niki Karavitaki

  76. The postoperative monitoring of nonfunctioning pituitary adenomas

    Article • Nature Reviews Endocrinology, April 2011, Nature

    Dr Niki Karavitaki

  77. 2.3.15 Pituitary incidentalomas

    Article • January 2011, Oxford University Press (OUP)

    Dr Niki Karavitaki

  78. 2.4.2 Craniopharyngiomas

    Article • January 2011, Oxford University Press (OUP)

    Dr Niki Karavitaki

  79. Somatostatin Analogue Treatment Increases AIP Protein Expression in Somatotroph Tumours from Patients with Acromegaly and in GH3 Cells in vitro

    Article • Hormone Research in Paediatrics, January 2011, Karger Publishers

    Dr Niki Karavitaki

  80. Opioid induced hypogonadism

    Article • BMJ, August 2010, BMJ

    Dr Niki Karavitaki

  81. Nelson's syndrome

    Article • July 2010

    Dr Niki Karavitaki

  82. Disorders of the anterior pituitary gland

    Article • May 2010, Oxford University Press (OUP)

    Dr Niki Karavitaki

  83. Disorders of the anterior pituitary gland

    Article • May 2010, Oxford University Press (OUP)

    Dr Niki Karavitaki

  84. Disorders of the posterior pituitary gland

    Article • May 2010, Oxford University Press (OUP)

    Dr Niki Karavitaki

  85. Prevalence of pituitary adenomas: a community-based, cross-sectional study in Banbury (Oxfordshire, UK)

    Article • Clinical Endocrinology, March 2010, Wiley

    Dr Niki Karavitaki

  86. Post-operative Replacement and Assessment of HPA Axis Recovery in Cushing’s Syndrome

    Article • January 2010, Springer Science + Business Media

    Dr Niki Karavitaki

  87. The value of the oral glucose tolerance test, random serum growth hormone and mean growth hormone levels in assessing the postoperative outcome of patients with acromegaly

    Article • Clinical Endocrinology, December 2009, Wiley

    Dr Niki Karavitaki

  88. Non-adenomatous pituitary tumours

    Article • Best Practice & Research Clinical Endocrinology & Metabolism, October 2009, Elsevier

    Dr Niki Karavitaki

  89. Nonfunctioning pituitary adenomas: the Oxford experience

    Article • Nature Reviews Endocrinology, September 2009, Nature

    Dr Niki Karavitaki

  90. An e-mail GP advisory service: a more efficient way of dealing with clinical enquiries

    Article • British Journal of Hospital Medicine, September 2009, Mark Allen Group

    Dr Niki Karavitaki

  91. Radiation-induced hypopituitarism

    Article • June 2009, Bioscientifica

    Dr Niki Karavitaki

  92. GH replacement in patients with non-functioning pituitary adenoma (NFA) treated solely by surgery is not associated with increased risk of tumour recurrence

    Article • Clinical Endocrinology, March 2009, Wiley

    Dr Niki Karavitaki

  93. Valvular heart disease and the use of cabergoline for the treatment of prolactinoma

    Article • Clinical Endocrinology, January 2009, Wiley

    Dr Niki Karavitaki

  94. Craniopharyngiomas. Historical aspects of their management

    Article • HORMONES, July 2008, Hellenic Endocrine Society

    Dr Niki Karavitaki

  95. Surgical debulking of pituitary macroadenomas causing acromegaly improves control by lanreotide

    Article • Clinical Endocrinology, June 2008, Wiley

    Dr Niki Karavitaki

  96. Radiotherapy of other sellar lesions

    Article • Pituitary, April 2008, Springer Science + Business Media

    Dr Niki Karavitaki

  97. Craniopharyngiomas

    Article • Endocrinology and Metabolism Clinics of North America, March 2008, Elsevier

    Dr Niki Karavitaki

  98. What is the natural history of nonoperated nonfunctioning pituitary adenomas?

    Article • Clinical Endocrinology, December 2007, Wiley

    Dr Niki Karavitaki

  99. Acromegaly and anaplastic astrocytoma: coincidence or pathophysiological relation?

    Article • Pituitary, November 2007, Springer Science + Business Media

    Dr Niki Karavitaki

  100. Silent corticotroph adenomas

    Article • Arquivos Brasileiros de Endocrinologia & Metabologia, November 2007, FapUNIFESP (SciELO)

    Dr Niki Karavitaki

  101. Collision lesions of the sella: co-existence of craniopharyngioma with gonadotroph adenoma and of Rathke’s cleft cyst with corticotroph adenoma

    Article • Pituitary, October 2007, Springer Science + Business Media

    Dr Niki Karavitaki

  102. What are the markers of aggressiveness in prolactinomas? Changes in cell biology, extracellular matrix components, angiogenesis and genetics

    Article • February 2007

    Dr Niki Karavitaki

  103. Hypopituitarism Oddities: Craniopharyngiomas

    Article • Hormone Research in Paediatrics, January 2007, Karger Publishers

    Dr Niki Karavitaki

  104. Do the limits of serum prolactin in disconnection hyperprolactinaemia need re-definition? A study of 226 patients with histologically verified non-functioning pituitary macroadenoma

    Article • Clinical Endocrinology, October 2006, Wiley

    Dr Niki Karavitaki

  105. Craniopharyngiomas

    Article • Endocrine Reviews, June 2006, Endocrine Society

    Dr Niki Karavitaki

  106. GH replacement does not increase the risk of recurrence in patients with craniopharyngioma

    Article • Clinical Endocrinology, May 2006, Wiley

    Dr Niki Karavitaki

  107. A case of post-traumatic isolated ACTH deficiency with spontaneous recovery 9 months after the event

    Article • Journal of Neurology Neurosurgery & Psychiatry, February 2006, BMJ

    Dr Niki Karavitaki, Dr Derick T Wade

  108. The impact of chronic in vivo glucocorticoid excess on the functional characteristics of human skin fibroblasts obtained from patients with endogenous Cushing's syndrome

    Article • June 2005

    Dr Niki Karavitaki

  109. Evaluation of GH reserve in patients with adrenal incidentalomas and biochemical evidence of subclinical autonomous glucocorticoid hypersecretion

    Article • Clinical Endocrinology, May 2005, Wiley

    Dr Niki Karavitaki

  110. Craniopharyngiomas in children and adults: systematic analysis of 121 cases with long-term follow-up

    Article • Clinical Endocrinology, April 2005, Wiley

    Dr Niki Karavitaki

  111. The value of an acute octreotide suppression test in predicting long-term responses to depot somatostatin analogues in patients with active acromegaly

    Article • Clinical Endocrinology, March 2005, Wiley

    Dr Niki Karavitaki

  112. Treatment of Pituitary Tumors: History

    Article • Endocrine, January 2005, Springer Science + Business Media

    Dr Niki Karavitaki

  113. Evaluation of bone mineral density of the peripheral skeleton in pre- and postmenopausal women with newly diagnosed endogenous Cushing's syndrome

    Article • Clinical Endocrinology, February 2004, Wiley

    Dr Niki Karavitaki

  114. Pegvisomant: a new treatment modality for acromegaly

    Article • HORMONES, January 2004, Hellenic Endocrine Society

    Dr Niki Karavitaki

  115. Assessment of GH reserve before and after successful treatment of adult patients with Cushing's syndrome

    Article • Clinical Endocrinology, January 2004, Wiley

    Dr Niki Karavitaki

  116. Craniopharyngioma

    Article • Wiley

    Dr Niki Karavitaki

  117. Benign Cysts: Rathke's Cleft Cysts, Mucoceles, Arachnoid Cysts, and Dermoid and Epidermoid Cysts

    Article • Wiley

    Dr Niki Karavitaki