Maija Helena Tuulia Kiuru, M.D., Ph.D. for UC Davis Health

Maija Helena Tuulia Kiuru, M.D., Ph.D.

Director of Molecular Dermatopathology

Associate Professor, Division of Clinical Dermatology and Pathology

To see if Maija Helena Tuulia Kiuru is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).




Pathology - Dermatopathology

Locations and Contact

Cannery Building

3301 C St.
Sacramento, CA 95816

Get Directions

Phone: 916-734-6111

Additional Numbers

Clinic Phone


Clinic Phone


Clinic Fax


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

My goal is to provide outstanding and comprehensive dermatologic care for my patients of all ages. I understand the tremendous impact skin diseases can have on physical and mental health, and I and strive for compassionate and thoughtful care.

Clinical Interests

Dr. Kiuru specializes in the two aspects of dermatology, seeing patients and examining skin biopsies under the microscope. With this background she provides a thorough yet practical approach to patient care. She specializes in inherited skin diseases, tumor syndromes, and skin cancer.

Research/Academic Interests

Dr. Kiuru’s research interests include genetic alterations in skin tumors and inherited skin diseases. Dr. Kiuru leads an NIH-funded research program and has published numerous peer-reviewed articles, review articles, and book chapters, and has lectured at many national and international meetings.



Medical School

M.D., University of Helsinki, Helsinki, Finland 2005

Other School

Ph.D., University of Helsinki, Helsinki, Finland 2005


General Surgery, Weill Cornell Medical Center, New York NY 2008-2009


Dermatology, Weill Cornell Medical Center, New York NY 2010-2013


Postdoctoral Research Fellowship, Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York NY 2009-2010


Dermatopathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York NY 2013-2014


Postdoctoral Research Fellowship, Department of Genetic Medicine, Weill Cornell Medical College, New York NY 2005-2008

Faculty Teaching Award, Department of Dermatology, UC Davis, 2020

Career Development Award K23, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) of National Institutes of Health (NIH), 2019

Career Development Award in Dermatopathology, Dermatology Foundation, 2017

American Society of Dermatopathology, Best Poster Award, 2013

New York Academy of Sciences, Dermatology residents’ night award, 2012

Adjunct Professor (Title of Docent), Molecular Medicine, University of Helsinki, Finland, 2010

University of Helsinki Thesis Award for Best Doctoral Thesis (in 2002), 2003

Medix Prize for the Best Scientific Publication in Finland (in 2002), 2003

Thesis Approved with Distinction, University of Helsinki, 2002

Kiuru M, Kriner MA, Wong S, Zhu G, Terrell JR, Li Q, Hoang M, Beechem J, McPherson JD. High-plex spatial RNA profiling reveals cell type-specific biomarker expression during melanoma development. J Invest Dermatol. 2021 Oct 23;. doi:10.1016/j.jid.2021.06.041. [Epub ahead of print] PMID:34699906.

Terrell JR, Rybak I, Lyu Y, Konia T, Fung MA, Qi L, Kiuru M. The influence of p16 immunohistochemistry on diagnosis and management recommendation of melanocytic neoplasms by dermatopathologists: A prospective study. J Cutan Pathol. 2021 Aug;48(8):1094-1097. doi:10.1111/cup.13907. Epub 2020 Nov 20. PMID:33103266.

Bovenberg MS, Fung MA, Kiuru M, Joo JS. Incidental syringomatous proliferation: A benign, subclinical finding during Mohs micrographic surgery. JAAD Case Rep. 2021 Jul 2;14:127-129. doi:10.1016/j.jdcr.2021.06.019. PMID:34381856.

Toussi A, Barton VR, Le ST, Agbai ON, Kiuru M. Psychosocial and psychiatric comorbidities and health-related quality of life in alopecia areata: A systematic review. J Am Acad Dermatol. 2021 Jul;85(1):162-175. doi:10.1016/j.jaad.2020.06.047. Epub 2020 Jun 17. PMID:32561373.

Ortega-Springall MF, Kiuru M, Fung MA. The "spade sign" as a pathognomonic histopathologic feature of acne keloidalis: Analysis of 33 cases of cicatricial alopecia. J Am Acad Dermatol. 2021 Jun 7:S0190-9622(21)01100-2. doi:10.1016/j.jaad.2021.06.003. Epub ahead of print. PMID:34111500.

Barton VR, Toussi A, Awasthi S, Kiuru M. Treatment of pediatric alopecia areata: A systematic review. J Am Acad Dermatol. 2021 Apr 30:S0190-9622(21)00922-1. doi:10.1016/j.jaad.2021.04.077. Epub ahead of print. PMID:33940103.

Toussi A, Le ST, Merleev AA, Marusina AI, Luxardi G, Downing L, Tran M, Kiuru MH, Maverakis E. Porphyria cutanea tarda presenting as a lichenoid eruption. Photodermatol Photoimmunol Photomed. 2021 May;37(3):233-235. doi:10.1111/phpp.12640. Epub 2020 Dec 22. PMID:33305390.

Ladenheim A, Tartar DM, Kiuru M. Polyarthritis, neuropathy, and persistent violaceous plaques. JAAD Case Rep. 2021 Feb 1;15:97-99. doi:10.1016/j.jdcr.2021.01.030. PMID:34466642.

Ellis SR, Vierra AT, Millsop JW, Lacouture ME, Kiuru M. Dermatologic toxicities to immune checkpoint inhibitor therapy: A review of histopathologic features. J Am Acad Dermatol. 2020 Oct;83(4):1130-1143. doi:10.1016/j.jaad.2020.04.105. Epub 2020 Apr 29. PMID:32360716.