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Lois Johanna Arend, M.D., Ph.D.

Headshot of Lois Johanna Arend
  • Director, Pathology Clinical Fellowship Programs
  • Associate Professor of Pathology


Pathology, Renal Pathology, Transplant Pathology

Research Interests

Renal and Transplant pathology


The Johns Hopkins Hospital (Main Entrance)

1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 410-955-9790


Dr. Lois Arend is an associate professor of pathology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include renal pathology and transplant pathology. Dr. Arend serves as the program director of the Renal Pathology fellowship training program and is director of the Pathology Department clinical fellowships.

Dr. Arend earned her Ph.D. and M.D. from Michigan State University. She completed her residency in Anatomic Pathology and fellowship in Renal Pathology at the University of Michigan Medical School.

Her research interests include renal and transplant pathology.

Dr. Arend was Treasurer of the Renal Pathology Society from 2015-2019 and was elected Councilor for 2019-2022. more


  • Director, Pathology Clinical Fellowship Programs
  • Program Director, Renal Pathology Fellowship Training Program
  • Associate Professor of Pathology

Departments / Divisions

Centers & Institutes



  • MD; Michigan State University College of Human Medicine (1992)


  • Pathology; University of Michigan Medical School (1996)


  • Pathology; University of Michigan Medical School (1998)

Board Certifications

  • American Board of Pathology (Anatomic Pathology) (1995)

Additional Training

Dr. Arend is an International Society of Nephrology Educational Ambassador and has assisted pathologists in Mongolia and Ethiopia to establish Nephropathology diagnostic services for their countries.

Research & Publications

Research Summary

Dr. Arend's research interests are in the area of pathologic aspects of kidney disease.

Selected Publications

View all on PubMed

Deletion of Pkd1 in renal stromal cells causes defects in the renal stromal compartment and progressive cystogenesis in the kidney. Nie X, Arend LJ. Lab Invest. 2017 Dec;97(12):1427-1438. doi: 10.1038/labinvest.2017.97. Epub 2017 Sep 11. PMID: 28892094

Successful Renal Transplantation of Deceased Donor Kidneys With 100% Glomerular Fibrin Thrombi and Acute Renal Failure Due to Disseminated Intravascular Coagulation. Soares KC, Arend LJ, Lonze BE, Desai NM, Alachkar N, Naqvi F, Montgomery RA. Transplantation. 2017 Jun;101(6):1134-1138. doi: 10.1097/TP.0000000000001386. PMID: 27490412

Crystal-storing histiocytosis. Shah S, Sethi S, Arend L, Geetha D. Kidney Int. 2016 Feb;89(2):507. doi: 10.1016/j.kint.2015.12.012. No abstract available. PMID: 26806837

A Case of IgG2 Heavy Chain Deposition Disease in a Patient with Kappa Positive Plasma Cell Dyscrasia. Zhang L, Marupudi S, Kuppusamy T, LaRosa W, Turer P, Heyman M, Arend L. Case Rep Nephrol Dial. 2014 Aug 14;5(1):6-12. doi: 10.1159/000366053. eCollection 2015 Jan-Apr. PMID: 25849668

Sarcoidosis in native and transplanted kidneys: incidence, pathologic findings, and clinical course. Bagnasco SM, Gottipati S, Kraus E, Alachkar N, Montgomery RA, Racusen LC, Arend LJ. PLoS One. 2014 Oct 20;9(10):e110778. doi: 10.1371/journal.pone.0110778. eCollection 2014. PMID: 25329890

Activities & Honors


  • Renal Pathology Society
  • American Society of Nephrology
  • International Society of Nephrology
  • United States & Canadian Academy of Pathology
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