I am medical doctor specialized as a pathologist in 2016. From 2016-2019 I was employed in the gastrointestinal team at the Department of Pathology, Rigshospitalet. In 2020 employed in Region Sjaelland, part time position in the gastrointestinal team at the Department of Pathology, Roskilde Hospital and part time position as a researcher at Center for Surgical Science, Køge.

Feb. 2020–: Part time position Department of Pathology, Roskilde hospital and part time Center for Surgical Science, Køge hospital, Consultant

Feb. 2020–: Clinical teaching Associate professor, Copenhagen University

Jan. 2016–Jan. 2020: Department of Pathology, Rigshospitalet, Consultant

May 2010–Dec. 2015: Department of Pathology, Roskilde, Næstved and Rigshospitalet, Resident

Dec. 2007–Apr. 2010: Department of Medicine, Gentofte Hospital

May 2007–Nov. 2007: Department of Oncology, Rigshospitalet

Nov. 2005–Apr. 2007: Department of Medicine, Gastrosurgery and private practitioner, Internship

2005: Doctor of Medicine, Copenhagen University

My primary research area has been microscopic colitis. My future work will be related to the immunoscore as a predictive and prognostic marker in colorectal cancer.

Fiehn AK, Miehlke S, Aust D, Vieth M, Bonderup O, Fernández-Bañares F, Mihaly E, Kupcinskas J, Madisch A, Munck LK, Nacak T, Mohrbacher R, Mueller R, Greinwald R, Münch A. Distribution of Histopathological Features along the colon in Microscopic Colitis. Accepted, August, International Journal of Colorectal Disease 

Miehlke S, Guagnozzi D, Zabana Y, Tontini GE, Fiehn AK, Wildt S, Bohr J, Bonderup O, Bouma G, D’Amato M, Engel P, Fernandez-Banares F, Macaigne G, Hjortswang H, Hultgren-Hörnquist E, Koulaouzidis A, Kupcinskas J, Landolfi S, Latella G, Lucendo A, Lyutakov I, Madisch A, Magro F, Marlicz W, Mihaly E, Munck LK, Ostvik A, Patai A, Penchev P, Skonieczna-Żydecka K, Verhaegh B, Münch A. European guidelines on Microscopic Colitis: United European Gastroenterology and European Microscopic Colitis Group statements and recommendations. Accepted, July 2020, UEG Journal

Fiehn AK, Engel PJH, Lanzarotto F, Goudkade D, Landolfi S, Munck LK, Villanacci V. Topographical distribution of microscopic colitis and the importance of orientation of paraffin embedded biopsies. Hum Pathol 2020 July https://doi.org/10.1016/j.humpath.2020.07.011

 Goudkade D, Fiehn AK, Landolfi S, Villanacci V, Munck LK, Engel PJH. An investigation of European pathologists’ approach to diagnose microscopic colitis. Ann Diagn Pathol. 2020 Apr 5;46:151520. doi: 10.1016/j.anndiagpath.2020.151520

Jepsen DN, Fiehn AK, Svendsen B, Achiam MP, Federspiel B. Isolated tumor cells in regional lymph nodes in patients with squamous cell carcinoma of the esophagogastric junction might represent part of true metastases. Ann Diagn Pathol. 2020 doi: 10.1016/j.anndiagpath.2020.151478

Olsen LM, Fiehn AK, Hasselby JP. Protein expression differences of ERCC1 in primary colorectal adenocarcinoma and matched liver metastases. Pathol Res Pract. 2020 Mar;216(3):152826.

Villanacci V, Fiehn AK, Goudkade D, Landolfi S, Munck LK, Engel PJH. Methodological approach to Microscopic Colitis diagnosis. Virchows Arch. 2020 Jan 15. doi: 10.1007/s00428-020-02754-3.

Fiehn AK, Jepsen DN, Achiam MP, Ugleholdt H, Federspiel B. Isolated tumor cells in regional lymph nodes in patients with adenocarcinoma of the esophagogastric junction might represent part of true metastases. Hum Pathol. 2019; 93:90-96.

Fiehn AK, Clausen LN, Engel U, Munck LK, Kristensson M, Engel PJH. Establishment of digital cutoff values for intraepithelial lymphocytes in biopsies from colonic mucosa with lymphocytic colitis. Pathol Res Pract. 2019 Nov;215(11):152580.

Lutken C, Fiehn AK, Federspiel B, Achiam M. Impact of isolated tumor cells in adeno- and squamous cell carcinoma of the esophagus and the esophagogastric junction – a systematic review.  Pathol Res Pract. 2019; 215:849-854.

Fiehn AK, Clausen LN, Engel U, Wildt S, Munck LK, Kristensson M, Engel PJH. Is revision of cut-off values needed when using CD3 immunohistochemical staining in histopathological diagnosis of lymphocytic colitis? Hum Pathol. 2019; 84:115-123.

Davidson S, Sjöberg K, Engel PJH, Lo¨rinc E, Fiehn AK, Vigren L, Munck LK. Microscopic colitis in Denmark and Sweden: incidence, putative risk factors, histological assessment and endoscopic activity, Scand Journ of Gastroenterol. 2018; 53:818-824.

Engel PJH, Fiehn AK, Munck LK, Kristensson M. The subtypes of microscopic colitis – past, present and future – viewed from a pathologist’s perspective. Ann Transl Med. 2018; 6:69.

Fiehn AK, Bzorek M, Warnecke M, Vainer B, Willemoe GL. Double immunohistochemical staining with laminin 5 (γ2 chain) and collagen IV in colorectal neoplasms. Int J Clin Exp Pathol 2016; 9:12866-12875.

Fiehn AK, Kristensson M, Engel U, Munck LK, Holck S, Engel PJ. Automated image analysis in the study of collagenous colitis. Clin Exp Gastroenterol. 2016; 8:89-95.

Rasmussen J, Engel PJ, Wildt S, Fiehn AK, Munck LK. The Temporal Evolution of Histological Abnormalities in Microscopic Colitis. J Crohns Colitis. 2016; 10:262-8.

Fiehn AK, Engel U, Holck S, Munck LK, Engel PJ. CD3 immunohistochemical staining in diagnosis of lymphocytic colitis. Hum Pathol. 2016; 48:25-31.

Engel PJH, Fiehn AK, Kristensson M, Engel U, Munck LK, Holck S. Automated Image Analysis of Lymphocytes in Lymphocytic Colitis. J Clin Exp Pathol. 2015; 5:261.

Jensen DH, Dabelsteen E, Specht L, Fiehn AK, Therkildsen MH, Jønson L, Vikesaa J, Nielsen FC, von Buchwald C. Molecular profiling of tumour budding implicates TGF-β-mediated epithelial-mesenchymal transition as a therapeutic target in oral squamous cell carcinoma. J Pathol. 2015; 236:505-16.

Fiehn AK, Grauslund M, Glenthøj A, Melchior LC, Vainer B, Willemoe GL. Medullary carcinoma of the colon: Can the undifferentiated be differentiated? Virchows Arch. 2015; 466:13-20.

Hedbäck N, Jensen DH, Specht L, Fiehn AK, Therkildsen MH, Friis-Hansen L, Dabelsteen E, Buchwald C. Mir-21 expression in the tumor stroma is a strong, independent predictor of disease free survival in oral squamous cell carcinoma. PLoS One. 2014; 9(4): e95193

Smith DH, Fiehn AK, Fogh L, Christensen IJ, Hansen TP, Nielsen HJ, Nielsen KV, Hasselby JP, Brünner N, Jensen SS. Measuring ERRC1 protein expression in cancer specimens: Validation of a novel antibody. Sci Rep 2014; 4:4313.

Fiehn AK, Bjørnbak C, Warnecke M, Engel PJH, Munck LK. Observer variability in the histopatological diagnosis of microscopic colitis and subgroups. Hum Pathol 2013; 44:2461-6.

Fiehn AMK, Andersson S, Larsen LG. Primært clear celle adenokarcinom i colon. Ugeskr Laeger 2012;174:2307-8. 

Kamp S, Fiehn AM, Stenderup K, Rosada C, Pakkenberg B, Kemp K, Dam TN, Jemec GB. Hidradenitis suppurativa: a disease of the absent sebaceous gland? Sebaceous gland number and volume are significantly reduced in uninvolved hair follicles from patients with hidradenitis suppurativa. Br J Dermatol 2011; 164:1017-22. 

Research keywords

#Gastrointestinal pathology #Immunohistochemistry #Digital pathology #Microscopic colitis #Colorectal cancer