Mikkel Andreassen

Mikkel Andreassen

Clinical Associate Professor

Member of:

  • Internal Medicine: Endocrinology


  1. 2024
  2. Published

    Appendiceal Neuroendocrine Neoplasms: an Update for 2023

    Holmager, P., Langer, Seppo W., Kjær, Andreas, Ringholm, Lene, Garbyal, Rajendra Singh, Hansen, C. P., Andreassen, Mikkel & Knigge, Ulrich, 2024, In: Current Oncology Reports. 26, 2, p. 114-120 7 p.

    Research output: Contribution to journalReviewResearchpeer-review

  3. Published

    Outlook for 615 Small Intestinal Neuroendocrine Tumor Patients: Recurrence Risk after Surgery and Disease-Specific Survival in Advanced Disease

    Slott, C., Langer, Seppo W., Møller, S., Krogh, Jesper, Klose, M., Hansen, C. P., Kjær, Andreas, Holmager, P., Garbyal, Rajendra Singh, Knigge, Ulrich & Andreassen, Mikkel, 2024, In: Cancers. 16, 1, 16 p., 204.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Responses to Medical Treatment in 192 Patients with Pancreatic Neuroendocrine Neoplasms Referred to the Copenhagen Neuroendocrine Tumour Centre in 2000–2020

    Petersen, S. S., Møller, S., Slott, C., Krogh, Jesper, Hansen, C. P., Kjær, Andreas, Holmager, P., Oturai, P., Garbyal, Rajendra Singh, Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2024, In: Cancers. 16, 6, 16 p., 1190.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2023
  6. Published

    Imaging surveillance in multiple endocrine neoplasia type 1: Ten years of experience with somatostatin receptor positron emission tomography

    Said, M., Krogh, Jesper, Feldt-Rasmussen, Ulla, Rasmussen, Å. K., zwp671, zwp671, Rossing, Caroline Maria, Johannesen, Helle Hjorth, Oturai, P., Holmager, P., Kjær, Andreas, Klose, M., Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2023, In: Journal of Neuroendocrinology. 35, 8, e13322.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Natural History of Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis

    Rikvold, S. D., Pedersen, M. B., Andreassen, Mikkel & Krogh, Jesper, 2023, In: Hormone and Metabolic Research. 55, 7, p. 443-451 9 p.

    Research output: Contribution to journalReviewResearchpeer-review

  8. Published

    Prognostic value of contralateral suppression on kidney function after surgery in patients with primary aldosteronism

    Voss, N., Mørup, S., Clausen, C., Feltoft, C. L., Jepsen, Jan Viberg, Hornum, Mads, Andreassen, Mikkel & Krogh, Jesper, 2023, In: Clinical Endocrinology. 98, 3, p. 306-314

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Prospective Phase II Trial of [68Ga]Ga-NODAGA-E[c(RGDyK)]2 PET/CT Imaging of Integrin αvβ3 for Prognostication in Patients with Neuroendocrine Neoplasms

    Carlsen, E. A., Loft, M., Loft, A., Czyzewska, D., Andreassen, Mikkel, Langer, Seppo W., Knigge, Ulrich & Kjær, Andreas, 2023, In: The Journal of Nuclear Medicine. 64, 2, p. 252-259

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Recurrence-Free Survival and Disease-Specific Survival in Patients with Pancreatic Neuroendocrine Neoplasms: A Single-Center Retrospective Study of 413 Patients

    Møller, S., Langer, Seppo W., Slott, C., Krogh, Jesper, Hansen, C. P., Kjær, Andreas, Holmager, P., Klose, M., Garbyal, Rajendra Singh, Knigge, Ulrich & Andreassen, Mikkel, 2023, In: Cancers. 16, 1, 14 p., 100.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Treatment of inoperable large cell neuroendocrine lung cancer with single agent temozolomide

    Ørting, A. M., Clausen, M. M., Soldath, Patrick, Petersen, René Horsleben, Knigge, Ulrich, Andreassen, Mikkel, Kjær, Andreas & Langer, Seppo W., 2023, In: Acta Oncologica. 62, 12, p. 1952-1955 4 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  12. 2022
  13. Published

    DLL3 expression and clinico-pathological data in 247 patients with NEN

    Clausen, Malene Martini, Federspiel, B., Carstensen, F., Suppli, M. H., Kjær, Andreas, Andreassen, Mikkel, Garbyal, Rajendra Singh, Knigge, Ulrich & Langer, Seppo W., 2022, In: Journal of Neuroendocrinology. 34, S1, p. 104 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  14. Published

    Endocrine Function after Transsphenoidal Surgery in Patients with Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis

    Pedersen, M. B., Dukanovic, S., Springborg, Jacob Bertram, Andreassen, Mikkel & Krogh, Jesper, 2022, In: Neuroendocrinology. 112, 9, p. 823-834

    Research output: Contribution to journalReviewResearchpeer-review

  15. Published

    Prognostic value of contralateral suppression for remission after surgery in patients with primary aldosteronism

    Mørup, S., Voss, N., Feltoft, C. L., Andreassen, Mikkel & Krogh, Jesper, 2022, In: Clinical Endocrinology. 96, 6, p. 793-802 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Radiofrekvensablation af insulinomer i pancreas

    Jansen, C., Vilmann, Peter, Brink, L., Andreassen, Mikkel, Knigge, Ulrich, Hansen, C. P. & Kovacevic, B., 2022, In: Ugeskrift for Laeger. 184, 46, 7 p., V06220416.

    Research output: Contribution to journalReviewResearchpeer-review

  17. Published

    Surgery in Patients with Gastro-Entero-Pancreatic Neuroendocrine Carcinomas, Neuroendocrine Tumors G3 and High Grade Mixed Neuroendocrine-Non-Neuroendocrine Neoplasms

    Holmager, P., Langer, Seppo W., Kjær, Andreas, Ringholm, L., Garbyal, Rajendra Singh, Pommergaard, Hans-Christian L, Hansen, C. P., Federspiel, B., Andreassen, Mikkel & Knigge, Ulrich, 2022, In: Current Treatment Options in Oncology. 23, 6, p. 806-817 12 p.

    Research output: Contribution to journalReviewResearchpeer-review

  18. Published

    Variation in serum adrenal hormones in female 21-hydroxylase deficient patients

    Sørensen, D. S. D., Krogh, Jesper, Rasmussen, Å. K. & Andreassen, Mikkel, 2022, In: Endocrine Connections. 11, 7, e220143.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. 2021
  20. Published

    A short report of 50 patients with gastroenteropancreatic mixed neuroendocrine–non-neuroendocrine neoplasms (MiNEN)

    Laenkholm, I. T., Langer, Seppo W., Andreassen, Mikkel, Holmager, P., Kjær, Andreas, Klose, M., Federspiel, B. H., Hansen, C. P. & Knigge, Ulrich, 2021, In: Acta Oncologica. 60, 6, p. 808-812

    Research output: Contribution to journalLetterResearchpeer-review

  21. Published

    Incidence, clinical presentation and trends in indication for diagnostic work-up of small intestinal and pancreatic neuroendocrine tumors

    Stensbøl, A. B., Krogh, Jesper, Holmager, P., Klose, M., Oturai, P., Kjær, Andreas, Hansen, C. P., Federspiel, B., Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2021, In: Diagnostics. 11, 11, 2030.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Increase of Ki-67 index and influence on mortality in patients with neuroendocrine neoplasms

    Holmager, P., Langer, Seppo W., Federspiel, B., Willemoe, G. L., Garbyal, Rajendra Singh, Melchior, L., Klose, M., Kjær, Andreas, Hansen, C. P., Andreassen, Mikkel & Knigge, Ulrich, 2021, In: Journal of Neuroendocrinology. 33, 9, 8 p., e13018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Metabolic and hormonal side effects of mitotane treatment for adrenocortical carcinoma: A retrospective study in 50 Danish patients

    Vikner, M. E., Krogh, Jesper, Daugaard, G. & Andreassen, Mikkel, 2021, In: Clinical Endocrinology. 94, 2, p. 141-149

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Neuroendocrine neoplasms of the appendix: Characterization of 335 patients referred to the Copenhagen NET Center of Excellence

    Holmager, P., Willemoe, G. L., Nielsen, K., Grøndahl, V., Klose, M., Andreassen, Mikkel, Langer, Seppo W., Hansen, C. P., Kjær, Andreas, Federspiel, B. H. & Knigge, Ulrich, 2021, In: European Journal of Surgical Oncology. 47, 6, p. 1357-1363 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Pituitary function after transsphenoidal surgery including measurement of basal morning cortisol as predictor of adrenal insufficiency

    Staby, I., Krogh, Jesper, Klose, M., Baekdal, J., Feldt-Rasmussen, Ulla, Poulsgaard, L., Springborg, Jacob Bertram & Andreassen, Mikkel, 2021, In: Endocrine Connections. 10, 7, p. 750-757 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    The effect of dopamine agonists on metabolic variables in adults with type 2 diabetes: A systematic review with meta analysis and trial sequential analysis of randomized clinical trials

    Andersen, I. B., Andreassen, Mikkel & Krogh, Jesper, 2021, In: Diabetes, Obesity and Metabolism. 23, 1, p. 58-67

    Research output: Contribution to journalReviewResearchpeer-review

  27. 2020
  28. Published

    Limited Diagnostic Utility of Chromogranin A Measurements in Workup of Neuroendocrine Tumors

    Baekdal, J., Krogh, J., Klose, M., Holmager, P., Langer, Seppo W., Oturai, P., Kjær, Andreas, Federspiel, B., Hilsted, L., Rehfeld, Jens Frederik, Knigge, U. & Andreassen, Mikkel, 2020, In: Diagnostics. 10, 11, 13 p., 881.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Semen quality in hypogonadal acromegalic patients

    Andreassen, Mikkel, Juul, Anders, Feldt-Rasmussen, Ulla & Jørgensen, N., 2020, In: Pituitary. 23, p. 160-166

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. 2019
  31. Published

    Surgical Management, Preoperative Tumor Localization, and Histopathology of 80 Patients Operated on for Insulinoma

    Andreassen, Mikkel, Ilett, E., Wiese, D., Slater, E. P., Klose, M., Hansen, C. P., Gercke, N., Langer, Seppo W., Kjaer, A., Maurer, E., Federspiel, B., Kann, P. H., Bartsch, D. K. & Knigge, Ulrich, Dec 2019, In: Journal of Clinical Endocrinology and Metabolism. 104, 12, p. 6129-6138

    Research output: Contribution to journalJournal articleResearchpeer-review

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