Education

  • University of California, Los Angeles, B.S., 1990, Biology
  • University of California, San Diego, M.D./Ph.D., 1998, Biomedical Sciences, Medicine
  • University of California, San Francisco, General Surgery
  • University of California, San Francisco, 2002, Pathology University of California, San Francisco, 2003, Surgical Pathology

Honors & Awards

  • 1990
    Phi Beta Kappa
  • 1992
    Lucille P. Markey Predoctoral Fellowship
  • 1998
    Student Surgical Research Award, Association of Academic Surgery
  • 2011
    Excellence in Teaching Award in Medical Education, UCSF Academy of Medical Educators

Selected Publications

  1. Terry M, Reis G, Horvai A, Pekmezci M, Perry A. Sarcomatous Transformation of a Medically Treated Lactotroph Pituitary Neuroendocrine Tumor? Endocr Pathol. 2023 Feb 24.  View on PubMed
  2. Bharadwaj UU, Akkaya Z, Horvai AE, Link TM, Gassert FG. Calcifying fibrous tumor: a rare case in the foot. Skeletal Radiol. 2023 Jan 25.  View on PubMed
  3. Bennett NK, Nakaoka HJ, Laurent D, Okimoto RA, Sei Y, Horvai AE, Bivona TG, Ten Hoeve J, Graeber TG, Nakamura K, Nakamura JL. Primary and metastatic tumors exhibit systems-level differences in dependence on mitochondrial respiratory function. PLoS Biol. 2022 09; 20(9):e3001753.  View on PubMed
  4. Neumann NM, Cornelia Ding CK, Borgen A, Corvera CU, North JP, Qorbani A, Horvai AE. Primary Cutaneous Malignant Perivascular Epithelioid Cell Tumor Mimicking Undifferentiated Pleomorphic Sarcoma: A Report of a Rare Entity. Am J Dermatopathol. 2022 Oct 01; 44(10):768-773.  View on PubMed
  5. Bahceci DH, Jordan RCK, Horvai AE. MDM2 Gene Amplification and Expression of MDM2 and CDK4 are Rare in Ossifying Fibroma of Craniofacial Bones. Head Neck Pathol. 2022 Dec; 16(4):991-997.  View on PubMed
  6. Bowman CJ, Medeiros F, Fadare O, Sangoi AR, Horvai AE, Devine WP, McCluggage WG, Rabban JT. ALK Immunoexpression is Specific for Inflammatory Myofibroblastic Tumor Among Vulvovaginal Mesenchymal Neoplasms. Int J Gynecol Pathol. 2023 Jan 01; 42(1):1-10.  View on PubMed
  7. Sloan EA, Gupta R, Koelsche C, Chiang J, Villanueva-Meyer JE, Alexandrescu S, Eschbacher JM, Wang W, Mafra M, Ud Din N, Carr-Boyd E, Watson M, Punsoni M, Oviedo A, Gilani A, Kleinschmidt-DeMasters BK, Coss DJ, Lopes MB, Reddy A, Mueller S, Cho SJ, Horvai AE, Lee JC, Pekmezci M, Tihan T, Bollen AW, Rodriguez FJ, Ellison DW, Perry A, von Deimling A, Chang SM, Berger MS, Solomon DA. Intracranial mesenchymal tumors with FET-CREB fusion are composed of at least two epigenetic subgroups distinct from meningioma and extracranial sarcomas. Brain Pathol. 2022 07; 32(4):e13037.  View on PubMed
  8. H. Vasudevan, C.H. Lucas, W.C. Chen, S. Magill, S.E. Braunstein, A. Reddy, A. Perry, A.E. Horvai, L. Jacques, F. McCormick, M. Pekmezci, D. Raleigh. Multiplatform Genomic Profiling and Immunohistochemistry Identify Prognostic and Predictive Signatures in Malignant Peripheral Nerve Sheath Tumors (MPNSTs). International Journal of Radiation Oncology • Biology • Physics. 2021 Nov 1; 111(3):e256-e257.  View on PubMed
  9. Lucas CG, Grenert JP, Horvai A. Targeted Next-Generation Sequencing Identifies Molecular and Genetic Events in Dedifferentiated Chondrosarcoma. Arch Pathol Lab Med. 2021 08 01; 145(8):1009-1017.  View on PubMed
  10. Joseph NM, McGill KC, Horvai AE. Genomic Profiling of Low-grade Intramedullary Cartilage Tumors Can Distinguish Enchondroma From Chondrosarcoma. Am J Surg Pathol. 2021 06 01; 45(6):812-819.  View on PubMed
  11. Laurent D, Smith AE, Bessler WK, Mendonca M, Chin-Sinex H, Descovich M, Horvai AE, Clapp DW, Nakamura JL. Irradiation of Nf1 mutant mouse models of spinal plexiform neurofibromas drives pathologic progression and decreases survival. Neurooncol Adv. 2021 Jan-Dec; 3(1):vdab063.  View on PubMed
  12. Wustrack RL, Shao E, Sheridan J, Zimel M, Cho SJ, Horvai AE, Luong D, Kwek SS, Fong L, Okimoto RA. Tumor morphology and location associate with immune cell composition in pleomorphic sarcoma. Cancer Immunol Immunother. 2021 Oct; 70(10):3031-3040.  View on PubMed
  13. Ramezanpour S, Horvai AE, Piawah S, Link TM. Primary osteosarcoma of the parietal bone. Skeletal Radiol. 2021 Aug; 50(8):1729-1733.  View on PubMed
  14. Barbara Garita, Jenna Maligro, Saghi Sadoughi, Po Hung Wu, Ellen Liebenberg, Andrew Horvai, Thomas M. Link, Galateia J. Kazakia. Microstructural abnormalities are evident by histology but not HR-pQCT at the periosteal cortex of the human tibia under CVD and T2D conditions. Medicine in Novel Technology and Devices. 2021 Feb 1; 100062.  View on PubMed
  15. Sloan EA, Chiang J, Villanueva-Meyer JE, Alexandrescu S, Eschbacher JM, Wang W, Mafra M, Ud Din N, Carr-Boyd E, Watson M, Punsoni M, Oviedo A, Gilani A, Kleinschmidt-DeMasters BK, Coss DJ, Lopes MB, Raffel C, Berger MS, Chang SM, Reddy A, Ramani B, Ferris SP, Lee JC, Hofmann JW, Cho SJ, Horvai AE, Pekmezci M, Tihan T, Bollen AW, Rodriguez FJ, Ellison DW, Perry A, Solomon DA. Intracranial mesenchymal tumor with FET-CREB fusion-A unifying diagnosis for the spectrum of intracranial myxoid mesenchymal tumors and angiomatoid fibrous histiocytoma-like neoplasms. Brain Pathol. 2021 07; 31(4):e12918.  View on PubMed
  16. Cannatella J, Ganapathi K, Horvai A. Hematolymphoid Neoplasms Rarely Mimic Undifferentiated Pleomorphic Sarcoma of Soft Tissue. Arch Pathol Lab Med. 2020 12 01; 144(12):1547-1552.  View on PubMed
  17. Harish N Vasudevan, Calixto-Hope G Lucas, William Chen, Stephen Magill, Steve Braunstein, Line jacques, Sonika Dahiya, Fausto Rodriguez, Andrew Horvai, Arie Perry, Melike Pekmezci, David Raleigh. RADT-20. HISTOPATHOLOGIC FINDINGS IN MALIGNANT PERIPHERAL NERVE SHEATH TUMOR ARE BOTH PROGNOSTIC FOR OVERALL SURVIVAL AND PREDICTIVE FOR RESPONSE TO RADIATION THERAPY. Neuro-Oncology. 2020 Nov 9; 22(Supplement_2):ii185-ii186.  View on PubMed
  18. Jean Nakamura, Danny Laurent, Abbi Smith, Waylan Bessler, Wade Clapp, Andrew Horvai. TMOD-06. MALIGNANT TRANSFORMATION OF PLEXIFORM NEUROFIBROMAS IN AN NF1 MUTANT MOUSE MODEL OF SPINAL IRRADIATION. Neuro-Oncology. 2020 Nov 9; 22(Supplement_2):ii228-ii229.  View on PubMed
  19. W.S. Chen, M. Lometti, R.L. Wustrack, M.N. Zimel, R.J. O'Donnell, A.E. Horvai, S.J. Cho, R.A. Okimoto, T.M. Jahan, A.R. Gottschalk, S.E. Braunstein. Intraoperative Radiotherapy Without External Beam Radiotherapy in the Management of Primary Soft Tissue Sarcomas of the Extremities. International Journal of Radiation Oncology • Biology • Physics. 2020 Nov 1; 108(3):e5.  View on PubMed
  20. J. Chew, S.A. Lloyd, R.A. Okimoto, A. Sabnis, E. Nakakura, C. Corvera, M.N. Zimel, A.E. Horvai, S.J. Cho, R.L. Wustrack, A.R. Gottschalk, R.J. O'Donnell, T.M. Jahan, S.E. Braunstein. Outcomes of Elderly Patients with Soft Tissue Sarcoma of the Extremities. International Journal of Radiation Oncology • Biology • Physics. 2020 Nov 1; 108(3):e6.  View on PubMed

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