Vighnesh Walavalkar, MBBS

Title(s)Associate Professor, Pathology
SchoolSchool of Medicine
Address513 Parnassus Ave, MSB, #568A
San Francisco CA 94117
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    University of California , San Francisco, CA01/2021Diversity, Equity, and Inclusion Champion Training

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    Dr. Vighnesh Walavalkar is a pathologist who specializes in interpreting kidney biopsies as well as electron microscopy of various tissues (examining a biopsy sample through a special microscope that uses electrons for powerful magnification). In addition to his expertise in cytology (the study of cells to make diagnoses), he performs fine needle aspiration, a simple procedure in which a needle is used to draw a biopsy sample from a lump under the skin.

    Walavalkar's research interests include renal diseases, kidney transplantation and cancer. He studies these conditions both at the cellular level and in relation to patient care.

    Walavalkar earned his medical degree from Kasturba Medical College, Mangalore in India. He completed a residency in anatomic and clinical pathology at the University of California, Irvine Medical Center. At the University of Massachusetts Medical School, he completed a fellowship in surgical pathology, followed by a fellowship in cytopathology. He then completed a fellowship in renal pathology at UCSF.

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Immunofluorescence Staining for IgG Subclass: Cause for Discrepancy in the Detection of IgG1. Kidney Int Rep. 2023 Nov; 8(11):2416-2420. Kudose S, Sekulic M, Walavalkar V, Batal I, Stokes MB, Markowitz GS, D'Agati VD, Santoriello D. PMID: 38025244; PMCID: PMC10658247.
      View in: PubMed   Mentions:
    2. Non-Full House Membranous Lupus Nephritis Represents a Clinically Distinct Subset. Kidney360. 2023 07 01; 4(7):935-942. Ye J, Croom N, Troxell ML, Kambham N, Zuckerman JE, Andeen N, Dall'Era M, Hsu R, Walavalkar V, Laszik ZG, Urisman A. PMID: 37257088; PMCID: PMC10371271.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Systemic induction of senescence in young mice after single heterochronic blood exchange. Nat Metab. 2022 08; 4(8):995-1006. Jeon OH, Mehdipour M, Gil TH, Kang M, Aguirre NW, Robinson ZR, Kato C, Etienne J, Lee HG, Alimirah F, Walavalkar V, Desprez PY, Conboy MJ, Campisi J, Conboy IM. PMID: 35902645; PMCID: PMC9945470.
      View in: PubMed   Mentions: 24     Fields:    Translation:Animals
    4. PodoSighter: A Cloud-Based Tool for Label-Free Podocyte Detection in Kidney Whole-Slide Images. J Am Soc Nephrol. 2021 11; 32(11):2795-2813. Govind D, Becker JU, Miecznikowski J, Rosenberg AZ, Dang J, Tharaux PL, Yacoub R, Thaiss F, Hoyer PF, Manthey D, Lutnick B, Worral AM, Mohammad I, Walavalkar V, Tomaszewski JE, Jen KY, Sarder P. PMID: 34479966; PMCID: PMC8806084.
      View in: PubMed   Mentions: 10     Fields:    
    5. Anti-LDL Receptor-Related Protein 2 Nephropathy with Synchronous Primary Kidney Extranodal Marginal Zone Lymphoma. Glomerular Dis. 2021 Oct; 1(4):302-308. Ng L, Ruiz-Cordero R, Caza T, Walavalkar V. PMID: 36751387; PMCID: PMC9677734.
      View in: PubMed   Mentions: 1  
    6. A multi-center retrospective cohort study defines the spectrum of kidney pathology in Coronavirus 2019 Disease (COVID-19). Kidney Int. 2021 12; 100(6):1303-1315. May RM, Cassol C, Hannoudi A, Larsen CP, Lerma EV, Haun RS, Braga JR, Hassen SI, Wilson J, VanBeek C, Vankalakunti M, Barnum L, Walker PD, Bourne TD, Messias NC, Ambruzs JM, Boils CL, Sharma SS, Cossey LN, Baxi PV, Palmer M, Zuckerman JE, Walavalkar V, Urisman A, Gallan AJ, Al-Rabadi LF, Rodby R, Luyckx V, Espino G, Santhana-Krishnan S, Alper B, Lam SG, Hannoudi GN, Matthew D, Belz M, Singer G, Kunaparaju S, Price D, Chawla S, Rondla C, Abdalla MA, Britton ML, Paul S, Ranjit U, Bichu P, Williamson SR, Sharma Y, Gaspert A, Grosse P, Meyer I, Vasudev B, El Kassem M, Velez JCQ, Caza TN. PMID: 34352311; PMCID: PMC8328528.
      View in: PubMed   Mentions: 51     Fields:    Translation:HumansCells
    7. A retrospective observational study of benign anthracotic lymphadenitis and its association with PET avid lymph nodes in patients undergoing cancer evaluation. J Thorac Dis. 2021 Jul; 13(7):4228-4235. Ivanick NM, Shrestha P, Podolsky MJ, Walavalkar V, Lucas CH, Gesthalter YB, Seeley EJ. PMID: 34422351; PMCID: PMC8339750.
      View in: PubMed   Mentions:
    8. Clinicopathologic Characteristics of JC Virus Nephropathy in Kidney Transplant Recipients. Transplantation. 2021 05 01; 105(5):1069-1076. Wiegley N, Walavalkar V, Aujla H, Chen LX, Huang Y, Lee BK, Jen KY. PMID: 32639410.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansCells
    9. Automated Computational Detection of Interstitial Fibrosis, Tubular Atrophy, and Glomerulosclerosis. J Am Soc Nephrol. 2021 Apr; 32(4):837-850. Ginley B, Jen KY, Han SS, Rodrigues L, Jain S, Fogo AB, Zuckerman J, Walavalkar V, Miecznikowski JC, Wen Y, Yen F, Yun D, Moon KC, Rosenberg A, Parikh C, Sarder P. PMID: 33622976; PMCID: PMC8017538.
      View in: PubMed   Mentions: 29     Fields:    
    10. A Distributed System Improves Inter-Observer and AI Concordance in Annotating Interstitial Fibrosis and Tubular Atrophy. Proc SPIE Int Soc Opt Eng. 2021 Feb; 11603. Shashiprakash AK, Lutnick B, Ginley B, Govind D, Lucarelli N, Jen KY, Rosenberg AZ, Urisman A, Walavalkar V, Zuckerman JE, Delsante M, Bissonnette MLZ, Tomaszewski JE, Manthey D, Sarder P. PMID: 34366540; PMCID: PMC8341017.
      View in: PubMed   Mentions:
    11. Cancer of Unknown Primary in the Molecular Era. Trends Cancer. 2021 05; 7(5):465-477. Kato S, Alsafar A, Walavalkar V, Hainsworth J, Kurzrock R. PMID: 33516660; PMCID: PMC8062281.
      View in: PubMed   Mentions: 23     Fields:    Translation:Humans
    12. Progression of proliferative glomerulonephritis with monoclonal IgG deposits in pediatric patients. Pediatr Nephrol. 2021 04; 36(4):927-937. Miller P, Xiao AY, Kung VL, Sibley RK, Higgins JP, Kambham N, Charu V, Lenihan C, Uber AM, Talley EM, Arora N, Walavalkar V, Laszik ZG, Nast CC, Troxell ML. PMID: 33044675.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    13. Membranous nephropathy in patients with HIV: a report of 11 cases. BMC Nephrol. 2020 09 18; 21(1):401. Charu V, Andeen N, Walavalkar V, Lapasia J, Kim JY, Lin A, Sibley R, Higgins J, Troxell M, Kambham N. PMID: 32948130; PMCID: PMC7501617.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    14. #FNAFriday: How cytopathologists learn, teach, and share knowledge on Twitter. Diagn Cytopathol. 2020 Aug; 48(8):706-710. Expósito-Afonso IJ, Alcaraz-Mateos E, Labiano T, Pijuan L, Temprana-Salvador J, Fitzhugh V, Fuller M, Madrigal E, Walavalkar V, Baloch ZW, Jiang XS. PMID: 32400974.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Computational Segmentation and Classification of Diabetic Glomerulosclerosis. J Am Soc Nephrol. 2019 10; 30(10):1953-1967. Ginley B, Lutnick B, Jen KY, Fogo AB, Jain S, Rosenberg A, Walavalkar V, Wilding G, Tomaszewski JE, Yacoub R, Rossi GM, Sarder P. PMID: 31488606; PMCID: PMC6779352.
      View in: PubMed   Mentions: 79     Fields:    Translation:Humans
    16. Cytologic processing of ureteral microbiopsies is associated with higher sensitivity for detection of urothelial carcinoma compared with conventional biopsy processing. J Am Soc Cytopathol. 2020 Jan - Feb; 9(1):26-32. Sheridan TB, Walavalkar V, Yates JK, Owens CL, Fischer AH. PMID: 31564532.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. De novo leukocyte chemotactic factor 2 amyloidosis in a pediatric renal allograft, 15 years post-transplant. Pediatr Transplant. 2019 05; 23(3):e13371. Shamir ER, Lee MM, Walavalkar V. PMID: 30714275.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    18. Estrogen Receptor, Progesterone Receptor, and Human Epidermal Growth Factor Receptor-2 Testing in Breast Cancer: Assessing the Value of Repeated Centralized Testing in Excision Specimens. Appl Immunohistochem Mol Morphol. 2019 01; 27(1):1-7. Hariri N, Hasteh F, Walavalkar V, Roma AA, Fadare O. PMID: 28549033.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic Health
    19. Severe Renal Allograft Rejection Resulting from Lenalidomide Therapy for Multiple Myeloma: Case Report. Transplant Proc. 2018 Apr; 50(3):873-876. Walavalkar V, Adey DB, Laszik ZG, Jen KY. PMID: 29661456.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    20. Does a p53 "Wild-type" Immunophenotype Exclude a Diagnosis of Endometrial Serous Carcinoma? Adv Anat Pathol. 2018 Jan; 25(1):61-70. Fadare O, Roma AA, Parkash V, Zheng W, Walavalkar V. PMID: 28945609.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    21. IgA-Dominant Glomerulopathy and Thrombotic Microangiopathy After Chemotherapy. Kidney Int Rep. 2018 Mar; 3(2):492-497. Dvanajscak Z, Karl BE, Sanchez AP, Walavalkar V. PMID: 29725655; PMCID: PMC5932117.
      View in: PubMed   Mentions: 1  
    22. Phenotypic alterations in breast cancer associated with neoadjuvant chemotherapy: A comparison with baseline rates of change. Ann Diagn Pathol. 2017 Dec; 31:14-19. Hariri N, Roma AA, Hasteh F, Walavalkar V, Fadare O. PMID: 29146052.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    23. Hyperprogressors after Immunotherapy: Analysis of Genomic Alterations Associated with Accelerated Growth Rate. Clin Cancer Res. 2017 Aug 01; 23(15):4242-4250. Kato S, Goodman A, Walavalkar V, Barkauskas DA, Sharabi A, Kurzrock R. PMID: 28351930; PMCID: PMC5647162.
      View in: PubMed   Mentions: 438     Fields:    Translation:Humans
    24. CD4-Positive T-Cell Primary Central Nervous System Lymphoma in an HIV Positive Patient. Am J Clin Pathol. 2016 Feb; 145(2):258-65. Nael A, Walavalkar V, Wu W, Nael K, Kim R, Rezk S, Zhao X. PMID: 27124906.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCells
    25. Absence or Presence of High-Grade Squamous Intraepithelial Lesion in Cervical Conization Specimens: A Clinicopathologic Study of 540 Cases. Am J Clin Pathol. 2016 Jan; 145(1):96-100. Walavalkar V, Stockl T, Owens CL, Manning M, Papa D, Li A, Khan A, Liu Y. PMID: 26712876.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    26. Significance of cytopathologist's review of Pap tests screened as negative for intraepithelial lesion or malignancy that are positive for high-risk human papillomavirus. J Am Soc Cytopathol. 2015 Jul - Aug; 4(4):190-194. Walavalkar V, Fischer AH, Owens CL. PMID: 31051753.
      View in: PubMed   Mentions:    Fields:    
    27. Utility of liquid-based cytologic examination of distal esophageal brushings in the management of Barrett esophagus: a prospective study of 45 cases. J Am Soc Cytopathol. 2015 May - Jun; 4(3):113-121. Walavalkar V, Patwardhan RV, Owens CL, Lithgow M, Wang X, Akalin A, Nompleggi DJ, Zivny J, Wassef W, Marshall C, Levey J, Walter O, Fischer AH. PMID: 31051691.
      View in: PubMed   Mentions:    Fields:    
    28. Cytologic diagnosis of metastatic alveolar rhabdomyosarcoma to the thyroid gland by fine-needle aspiration. Acta Cytol. 2014; 58(3):288-92. Walavalkar V, Fischer AH, Owens CL. PMID: 24513670.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. Evidence for increasing usage of low-grade squamous intraepithelial lesion, cannot exclude high-grade squamous intraepithelial lesion (LSIL-H) Pap test interpretations. Cancer Cytopathol. 2014 Feb; 122(2):123-7. Walavalkar V, Tommet D, Fischer AH, Liu Y, Papa DM, Owens CL. PMID: 23983192.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    30. Benign lymphoid aggregates in the bone marrow: distribution patterns of B and T lymphocytes. Hum Pathol. 2013 Apr; 44(4):512-20. Naemi K, Brynes RK, Reisian N, Johnston A, Dhillon R, Walavalkar V, Zhao X, Rezk SA. PMID: 23063505.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCells
    31. Prostatic adenocarcinoma with solitary metastasis to the uvea. Pathology. 2012 Aug; 44(5):476-9. Walavalkar V, Said B, Dacosta-Iyer M, Ouyang Y. PMID: 22744168.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    32. Cytological diagnosis of extranodal NK/T-cell lymphoma, nasal type, in cerebrospinal fluid. Cytopathology. 2013 Oct; 24(5):342-4. Walavalkar V, Oak J, Gu M. PMID: 22844965.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    33. Excessive therapeutic response in a case of blastic plasmacytoid dendritic cell neoplasm. Clin Adv Hematol Oncol. 2012 Jan; 10(1):56-9. Shieh MP, Reisian N, Walavalkar V, Slater LM, Lambrecht N. PMID: 22398810.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
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