• Gene Shaw MD

  • Physician - Pathology (MD)

    • Pathology
    • 1000 North Oak Ave. LAB Marshfield, WI 54449


1989 to 1993:
Residency, Pathology & Laboratory Medicine, Hennepin County Medical Center/Abbott Northwestern Hospital, Minneapolis, MN
1987 to 1988:
Residency, Internal Medicine, Hennepin County Medical Center, Minneapolis, MN
MD, School of Medicine, University of Minnesota, Minneapolis, MN
1982 to 1986:
Clinical Experience, Instructor in courses in renal, gastrointestinal and respiratory physiology, University of Minnesota - Department of Physiology, Minneapolis, MN
PhD, Physiology with minor in Biochemistry, University of Minnesota, Minneapolis, MN
BA, Magna Cum Laude - Physiology, University of Minnesota, Minneapolis, MN

Work Experience

1994 to Present:
Medical Director of Cytogenetics Laboratory, Marshfield Laboratories - Marshfield Clinic, Marshfield, WI
1993 to Present:
Staff Pathologist in Hematopathology and Cytogenetics, Marshfield Laboratories - Marshfield Clinic, Marshfield, WI
2005 to 2014:
Medical Director of Marshfield Laboratories, Marshfield Clinic - Marshfield Center, Marshfield, WI
1982 to 1986:
Instructor, Department of Physiology at University of Minnesota, Minneapolis, MN
1981 to 1983:
Assisted with several research studies regarding modification of risk factors for coronary artery disease within department of Epidemiology, University of Minnesota, Minneapolis, MN

Board Certifications

1993 to Present:
American Board of Pathology - Anatomic & Clinical Pathology
1996 to Present:
Diplomate, American Board of Pathology in Hematology

Honors & Awards

1984 to 1985:
President, Christian Medical Society
Alpha Omega Alpha
Southern Minnesota Medical Association - Outstanding Senior Award

Professional Societies

College of American Pathologists, Member
American Society of Clinical Pathologists, Member

Select Publications

  • Shaw GR, Anderson WR. (1991 August). Multisystem failure and hepatic microvesicular fatty metamorphosis associated with tolmetin ingestion. Arch Pathol Lab Med. 115(8):818-821.
    PubMed ID: 1863194
  • Shaw GR, Lais CJ. (1993 July). Fatal intravascular synovial sarcoma in a 31-year-old woman. Hum Pathol. 24(7):809-810.
    PubMed ID: 8319959
  • Shaw GR, Crosson JT. (1993). Measurements of helper t-lymphocyte subpopulations in HIV-seropositive patients. Laboratory Medicine. 24(12):790-792.
  • Apple F, Preese L, Shaw GR. (1993). Monitoring cardiac enzyme ordering patterns. A quality assurance monitor. Clinical Chemistry News. 19 :4.
  • Shaw GR, Gonering EK, Koller S. (1996 September). Techniques to improve flow cytometric detection of light chain restriction. Clin Lab Sci. 9(5):292-297.
    PubMed ID: 10163656
  • Chua J, Lee JDouglas, Mazza JJ, Remeika L, Shaw GR. (1996 September). Recurrent infections in a 74-year-old man with neutropenia and large granular lymphocytosis. Proceedings of the IDSA 34th Annual Meeting.
  • Larson DM, Berg RL, Shaw GR, Krawisz BR. (1999 September). Prognostic significance of DNA ploidy in endometrial cancer. Gynecol Oncol. 74(3):356-360.
    PubMed ID: 10479493
  • Shaw GR, Kronberger DL. (2000 June). TP53 deletions but not trisomy 12 are adverse in B-cell lymphoproliferative disorders. Cancer Genet Cytogenet. 119(2):146-154.
    PubMed ID: 10867151
  • Birhiray RE, Shaw GR, Guldan SL, Rudolf DC, Delmastro DA, Santabarbara P, Brettman L. (2002 May). Phenotypic transformation of CD52(pos) to CD52(neg) leukemic T cells as a mechanism for resistance to CAMPATH-1H. Leukemia. 16(5):861-864.
    PubMed ID: 11986948
  • Shaw GR. (2004). Laboratory monitoring of chronic myelogenous leukemia patients on imatinib mesylate (Gleevec) therapy. Labmedicine. 35(2):104-6.
  • Shaw GR. (2005 October). Ringed sideroblasts with thrombocytosis: an uncommon mixed myelodysplastic/myeloproliferative disease of older adults. Br J Haematol. 131(2):180-184.
    PubMed ID: 16197447
  • Onitilo AA, Shaw GR. (2005 December). Parvovirus B19 infection in an isolated pancreas transplant recipient. Transplant Proc. 37(10):4433-4435.
    PubMed ID: 16387138
  • Shaw GR. (2006 August). Nonsecretory plasma cell myeloma-becoming even more rare with serum free light-chain assay: a brief review. Arch Pathol Lab Med. 130(8):1212-1215.
    PubMed ID: 16879026
  • Shaw GR, Naik VS. (2009 September). The gammadelta variant of T cell large granular lymphocyte leukemia is very similar to the common alphabeta type: report of two cases. J Hematop. 1(2):139-43.
    PubMed ID: 19669213
  • Shaw GR. (2009). Comments on the 2008 WHO classification of tumours of haematopoietic and lymphoid tissues by a practicing hematopathologist. Laboratory Hematology. 15 :17-19.
  • Sanfelippo MJ, Zinsmaster W, Scherr DL, Shaw GR. (2009 September). Use of Chromogenic Assay of Factor X to Accept or Reject INR Results in Warfarin Treated Patients. Clinical Medicine & Research. 7(3):103-5.
    PubMed ID: 19625497
  • Ghera P, Kasirye Y, Choudhry MW, Shaw GR, Ejercito VS. (2011 December). Acute Transient Sensorineural Hearing Loss Due to Anaplasma phagocytophilum WMJ. 110(6):288-90.
    PubMed ID: 22324206
  • Kumar R, Khan SP, Joshi D, Shaw GR, Ketterling RP, Feldman AL. (2011 February). Pediatric histiocytic sarcoma clonally related to precursor B-cell acute lymphoblastic leukemia with homozygous deletion of CDKN2A encoding p16INK4A. Pediatr Blood Cancer. 56(2):307-10.
    PubMed ID: 20973102
  • Islam R, Yellu MR, Rafiullah, Shaw GR. (2013 May). Low dose ruxolitinib for improving leukopenia and reducing recurrent infections associated with myelofibrosis. BMJ Case Reports. 2013 :1-3.
  • Berg RL, Shaw GR. (2013 February). Laboratory Evaluation for Vitamin B12 Deficiency: the Case for Cascade Testing. Clinical Medicine & Research. 11(1):7-15.
    PubMed ID: 23262189
  • Chalasani S, Hennick MR, Hocking WG, Shaw GR, Lawler BE. (2013 February). Unusual presentation of a rare cancer: histiocytic sarcoma in the brain 16 years after treatment for acute lymphoblastic leukemia. Clinical Medicine & Research. 11(1):31-5.
    PubMed ID: 22997353
  • Oberley M, Rajguru S, Zhang C, Kim K, Shaw GR, Grindle KM,...Yang DT. (2013 October). Immunohistochemical evaluation of MYC expression in mantle cell lymphoma. HISTOPATHOLOGY. 63(4):499-508.
    PubMed ID: 23926923