Univ. Prof. Dr. Klaus Kaczirek

Universitätsklinik für Chirurgie
Klinische Abteilung für Allgemeinchirurgie

Währinger Gürtel 18-20
1090 Wien

Tel.: +43 1 40400 5621
Fax: +43 1 40400 5641
Email: Klaus.Kaczirek@meduniwien.ac.at


Name Klaus Kaczirek
Born: 23. Jun. 1974
Parents: Kurt Kaczirek, Teacher;
Gisela Kaczirek, housewife
Marrital status: single
Adress: University of Vienna, Department of General Surgery,
Waehringer Guertel 18-20
1090 Vienna, Austria
Tel: +43-1-40400-5621
Fax: +43-1-40400-5641


1980-1984: Primary school in Ottensheim, Upper Austria
1984-1992: High school (Humanistisches Gymnasium) in Wilhering, final exams passed on
23 Jun 1992 (with distinction)


1992-1999: Medical studies at University of Vienna, Vienna Austria
Diploma granted (M.D.): 16 Feb 1999
03-11 1991: Military service in military hospital (Heeressanitätsanstalt Hörsching)


01.10.2006: State registration as fully trained specialist in General Surgery
7.11.2006: Associate Professor of Surgery, University of Vienna


12.99-04.01 Barmherzige Schwestern Linz and Unfallkrankenhaus der AUVA Linz
05.01-09.06 Registrar, Medical University of Vienna, Department of Surgery
10.06-09.07 Consultant, Department of Surgery, KH Vöcklabruck (district hospital)
10.2007- current Consultant, Department of General Surgery, University of Vienna; specialities: hepatobiliary-pancreatic and endocrine surgery
10.2008 Head HPB-branch of the Austrian Society of Surgical Oncology Austrian Society of Surgical Oncology


  • Journal of Clinical Endocrinology and Metabolism
  • European Journal of Endocrinology
  • Nuklearmedizin/ Nuclear Medicine
  • Journal of Clinical Oncology
  • Wiener klinische Wochenschrift – The Middle European Journal of Medicine
  • European Surgery (Acta Chirurgica Austriaca)
  • Archives of Medical Science
  • European Journal of Surgical Oncology – “The Journal of Cancer Surgery”
  • Journal für gastroenterologische und hepatologische Erkrankungen
  • Comparative Hepatology


  • Austrian Society of Surgery
  • Austrian Society of Surgical Oncology (ACO-ASSO)
  • European Society of Surgical Oncology (ESSO)
  • European Society of Endocrine Surgeons
  • Section surgical endocrinology, German Society of Surgery (Chirurgische Arbeitsgemeinschaft Endokrinologie der Deutschen Gesellschaft für Chirurgie-CAEK)



Original articles:

Kaczirek, K., Prager, G., Schindl, M., Kaserer, K., Gessl, A., Vierhapper, H., Niederle, B. Multiple endocrine neoplasia 1- current recommendations for diagnosis and treatment WIEN KLIN  WOCHENSCHR 114, 258-266 (2002)
Kaczirek, K. Soleiman,A. Schindl,M. Passler,Ch. Scheuba,C. Prager,G. Kaserer,K. Niederle,B. Nesidioblastosis in adults: a challenging cause of organic hyperinsulinism EUR J CLIN INVEST  33, 488-492 (2003)
Kaczirek,K. Prager,G. Kienast,O. Dobrozemsky,G. Dudczak,R. Niederle,B. Kurtaran,A. Combined transmission and 99mTc-sestamibi emission tomography for localization of mediastinal parathyroid glands NUKLEARMEDIZIN 42, 220-223 (2003)
Kaczirek,K. Schindl,M. Weinhäusel,A. Scheuba,C. Passler,C. Prager,G. Raderer,M. Hamilton,G. Mittlböck,M. Siegl,V. Pfragner,R. Niederle,B. Cytotoxic Activity of Camtothecin and Palitaxel in Newly Established continuous Human Medullary Thyroid Carcinoma Cell Lines J CLIN ENDOCRINOL METAB 89, 2397-2401 (2004)
Kaczirek,K. Ba-Ssalamah,A. Schima,W. Niederle,B. The importance of preoperative localisation procedures in organic hyperinsulinism -Experience in 67 patients WIEN KLIN WOCHENSCHR 116, 373-378, (2004)
Kaczirek,K. Niederle,B. Nesidioblastosis: an old term and a new understanding WORLD J SURG 28, 1227-1230 (2004)
Kaczirek,K, Asari,R. Scheuba C., Niederle,B. Organic Hyperinsulinism and Endoscopic Surgery WIEN KLIN  WOCHENSCHR 117, 19-25 (2005)
Kaczirek,K. Riss,P. Wunderer,G. Prager, G. Asari, R. Scheuba,C. Bieglmayer,C. Niederle,B. Quick PTH assay cannot predict incomplete parathyroidectomy in patients with renal hyperparathyroidism SURGERY 137, 431-5 (2005)
Kaczirek,K. Prager, G. Riss,P. Wunderer,G. Asari, R. Scheuba,C. Bieglmayer,C. Niederle,B. A novel PTH (1-84) assay as basis for PTH monitoring in renal hyperparathyroidism Archives of Surgery 141,129-34; discussion 134 (2006)
Kaczirek, K., Tamandl, D., Klinger, M., Gruenberger, T. Criteria for resectability of colorectal cancer liver metastases – an Austrian survey and current recommendations Eur Surg 41, 213-220 (2009)
Kaczirek K, Gruenberger T Kolorektale Lebermetastasen Journal für Gastroenterologische und Hepatologische Erkrankungen 7, 25-39 (2009)
Schindl,M. Kaczirek,K. Kaserer,K. Niederle,B. Is the new classification of neuroendocrine pancreatic tumors of clinical help? WORLD J SURG 24, 1312 -1318 (2000)
Passler,Ch. Avanessian,R. Kaczirek,K. Prager,G. Scheuba,Ch. Schindl,M. Niederle,B. Schilddrüsenchirurgie im Alter ACTA CHIR AUSTRIACA 33, 288-293 (2001)
Prager,G. Heinz-Peer,G. Passler,Ch. Kaczirek, K. Schindl,M. Scheuba,Ch. Niederle,B. Surgical strategy in adrenal masses EUR J RADIOL 41, 70-77 (2002)
Prager, G. Heinz-Peer, G. Passler, Ch. Kaczirek,K. Schindl,M. Scheuba, Ch. Vierhapper, H. Niederle,B. Can dynamic Gadolinium-enhanced magnetic resonance imaging with chemical shift studies predict the status of adrenal masses? WORLD J SURG 26, 958 – 964 (2002)
Schindl,M. Kaczirek,K. Passler, Ch. Kaserer,K. Prager, G. Scheuba, Raderer,M. Niederle,B. Treatment of small intestinal neuroendocrine tumos: Is an extended multimodal approach justified? WORLD J SURG 26, 976 – 984 (2002)
Passler,Ch. Avanessian,R. Kaczirek,K. Prager,G. Scheuba,Ch.  Niederle,B. Thyroid surgery in the geriatric patient ARCH SURG 137, 1243 – 1248 (2002)
Prager,G. Kalaschek,A. Kaczirek,K. Passler,Ch. Scheuba,Ch. Sonneck,G. Niederle,B. Parathyroidectomy improves concentration and retentiveness in patients with primary hyperparathyroidism SURGERY 132 ,  930 – 936 (2002)
Prager,G. Czerny,Ch. Ofluoglu,S. Kurtaran,A. Passler,Ch. Kaczirek,K. Scheuba,Ch. Niederle,B. Impact of localization studies on feasibility of minimally invasive parathyroidectomy in an endemic goiter region J AM COLL SURG 196, 541-548 (2003)
Brauckhoff,M. Kaczirek,K. Thanh, PN. Gimm,O. Bär,A. Niederle,B. Dralle,H. Technical aspects of subtotal endoscopic adrenalectomy EUR SURG 35, 84-88 (2003)
Niederle,B. Prager,G. Kaczirek,K. Scheuba,C. Passler,C. Asari,R. Minimal-invasive Chirurgische Endokrinologie: Aspekte der Radiodiagnostik WIEN KLIN WOCHENSCHR 115, SUPPL 2, 10 – 18 (2003)
Prager,G. Heinz-Peer,G. Passler,C. Kaczirek,K. Scheuba,C. Niederle,B. Applicability of laparoscopic adrenalectomy in a prospective study in 150 consecutive patients ARCH SURG 139, 46-49 (2004)
Passler,C. Scheuba,C. Prager,G. Kaczirek,K. Kaserer,K. Zettinig,G. Niederle,B. Prognostic factors of papillary and follicular thyroid cancer: Differences in an iodine-replete endemic goiter region. ENDOCRINE-RELATED CANCER 11, 131-139 (2004)
Passler,C. Scheuba,C Asari,R. Kaczirek,K. Kaserer,K. Niederle,B. Importance of tumour size in papillary and follicular thyroid cancer. BRITISH JOURNAL OF SURGERY 92, 184-189 (2005)
Deicher,R. Kirsch,B. Müllner,M. Kaczirek,K. Niederle,B. Hörl,WH. Impact of parathyroidectomy on neutrophil cytosolic calcium in chronic kidney disease patients: a prospective parallel group trial. J INTERN MED 258, 67-76 (2005)
Scheuba, C. Kaserer, K. Kaczirek, K. Asari, R. Niederle, B. Desmoplastic stromal reaction in medullary thyroid cancer-an intraoperative “marker” for lymph node metastases. WORL J SURG 30, 853-859 (2006)
Bieglmayer, C. Kaczirek, K. Prager, G. Niederle, B. Parathyroid hormone monitoring during total parathyroidectomy for renal hyperparathyroidism: pilot study of the impact of renal function and assay specificity. CLIN CHEM 52, 1112-9 (2006)
Asari,R. Scheuba,C. Kaczirek,K. Niederle,B. Cortical-sparing surgery in hereditary pheochromocytoma: a review of literature analysing patients with MEN 2A ANN ENDOCRINOL 67, SUPPL. 4, 1521-1522 (2006)
Asari R, Scheuba, C, Kaczirek, K., Niederle B Estimated risk of pheochromocytoma recurrence after adrenal sparing surgery in patients with MEN 2A ARCH SURG 141,1199-1205 (2006)
Riss P, Kaczirek K, Bieglmayer C, Niederle B. PTH spikes during parathyroid exploration-a possible pitfall during PTH monitoring? Langenbecks Arch Surg 23; [Epub ahead of print] (2006)
Scheuba C, Bieglmayer C, Asari R, Kaczirek K, Izay B, Kaserer K, Niederle B. The value of intraoperative pentagastrin testing in medullary thyroid cancer. Surgery. 141,166-71; discussion 171-2 (2007)
Riss P, Kaczirek K, Heinz G, Bieglmayer C, Niederle B A “defined baseline” in PTH monitoring increases surgical success in patients with multiple gland disease Surgery. 142, 398-404 (2007)
Asari R, Passler C, Kaczirek K, Scheuba C, Niederle B Hypoparathyroidism after total thyroidectomy: a prospective study Arch Surg. 143,132-7; discussion 138 (2008)
Tamandl D, Gruenberger B, Herberger B, Kaczirek K, Gruenberger T. Surgery after neoadjuvant chemotherapy for colorectal liver metastases is safe and feasible in elderly patients. J Surg Oncol. 2009 Feb 20. [Epub ahead of print]
Tamandl D, Kaczirek K, Gruenberger B, Koelblinger C, Maresch J, Jakesz R, Gruenberger T Lymph node ratio after curative surgery for intrahepatic cholangiocarcinoma. Br J Surg. 96, 919-25 (2009)
Kulemann V, Schima W, Tamandl D, Kaczirek K, Gruenberger T, Wrba F, Weber M, Ba-Ssalamah A. Preoperative detection of colorectal liver metastases in fatty liver: MDCT or MRI? Eur J Radiol. 2010 Apr 12. [Epub ahead of print]
Klinger M, Tamandl D, Eipeldauer S, Hacker S, Herberger B, Kaczirek K, Dorfmeister M, Gruenberger B, Gruenberger T. Bevacizumab Improves Pathological Response of Colorectal Cancer Liver Metastases Treated with XELOX/FOLFOX. Ann Surg Oncol. 2010 Aug;17:2059-65
Tamandl D, Gruenberger B, Klinger M, Herberger B, Kaczirek K, Fleischmann E, Gruenberger T Liver resection remains a safe procedure after neoadjuvant chemotherapy including bevacizumab: a case-controlled study. Ann Surg. 252:124-30 (2010)
Tamandl D, Klinger M, Eipeldauer S, Herberger B, Kaczirek K, Gruenberger B, Gruenberger T Sinusoidal Obstruction Syndrome Impairs Long-Term Outcome of Colorectal Liver Metastases Treated with Resection after Neoadjuvant Chemotherapy. Ann Surg Oncol. 2010 Sep 16. [Epub ahead of print]


Niederle B, Schindl M, Kaczirek K, Passler C, Scheuba C, Prager G Die Chirurgische Therapie gastroenteropankreatischer neuroendokriner Tumoren IN: STANDARDS IN DER CHIRURGIE 2000 (H.W. WACLAWICZEK, O. BOECKL) W. ZUCKSCHERDT VERLAG MÜNCHEN – BERN – WIEN – NEW YORK, 55 – 65 (2000)
Niederle B, Heinz-Peer G, Kaczirek K, Kurtaran A The value of adrenal imaging in adrenal surgery In: Adrenal Glands – Diagnostic Aspects and Surgical Therapy. (Linos, D., Van Heerden, J.A., eds): Springer Verlag – Berlin Heidelberg New York, 41-56 2005
Kaczirek K Lebermetastasen des neuroendokrinen Karzinoms In: Therapiemanagement von Lebermetastasen bei gastrointestinalen Tumoren. (Thomas Gruenberger). Unimed Verlag Bremen. 2008
Kaczirek K, Gruenberger T Kolorektale Lebermetastasen ACO-ASSO Manual 2010