Oral Presentation Australian and New Zealand Pituitary Alliance 2025

FSH Immunohistochemistry Expression Correlates with Increased Apparent Diffusion Coefficients in Gonadotroph Adenomas (123575)

Yeung-Ae Park 1 2 3 4 , David McArdle 5 6 , Frank Gaillard 5 6 , Angeline Shen 1 2 3 , Yi Zhao 7 , Michael Christie 8 , Anna S Trigos 3 4 9 10 , Christopher J Yates 1 2 , James King 11 12
  1. Department of Diabetes and Endocrinology, Royal Melbourne Hospital, Parkville, Victoria, Australia
  2. Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia
  3. Peter MacCallum Cancer Centre, Parkville, Victoria, Australia
  4. Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia
  5. Department of Radiology, Royal Melbourne Hospital, Parkville, Victoria, Australia
  6. Department of Radiology, University of Melbourne, Parkville, Victoria, Australia
  7. Department of Otolaryngology (ENT), Head and Neck Surgery, Royal Melbourne Hospital, Parkville, Victoria, Australia
  8. Department of Pathology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
  9. St. Vincent’s Institute of Medical Research, Fitzroy, Victoria, Australia
  10. Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
  11. Department of Neurosurgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia
  12. Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Melbourne, Victoria, Australia
Publish consent withheld
  1. Ilie MD, Vasiljevic A, Louvet C, Jouanneau E, Raverot G. Gonadotroph Tumors Show Subtype Differences that Might Have Implications for Therapy. Cancers. 2020;12:1012.
  2. Park YA, McArdle D, Gaillard F, Ly R, King J, Trigos A, et al. FSH+ gonadotroph adenomas have greater MRI apparent diffusion coefficients and gross total resection rates than FSH- gonadotroph adenomas [Abstract accepted]. ENDO 2025; San Francisco, California, United States. 2025.
  3. Ko C-C, Chen T-Y, Lim S-W, Kuo Y-T, Wu T-C, Chen J-H. Prediction of recurrence in solid nonfunctioning pituitary macroadenomas: additional benefits of diffusion-weighted MR imaging. Journal of Neurosurgery JNS. 2020;132:351-9.
  4. Korbecki A, Wagel J, Zacharzewska-Gondek A, Gewald M, Korbecka J, Sobański M, et al. Role of diffusion-weighted imaging in the diagnosis of pituitary region tumors. Neuroradiology. 2024.