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    Andrew Horvai, MD, PhD

    TitleProfessor
    SchoolUCSF School of Medicine
    DepartmentPathology
    Address1825 4th Street
    San Francisco CA 94158
    Phone415-885-7313
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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.
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      1. Sherborne A, Lavergne V, Yu K, Lee L, Davidson P, Mazor T, Smirnov IV, Horvai AE, Loh M, Dubois SG, Goldsby R, Neglia JP, Hammond S, Robison LL, Wustrack R, Costello JF, Nakamura A, Shannon KM, Bhatia S, Nakamura JL. Somatic and germline TP53 alterations in second malignant neoplasms from pediatric cancer survivors. Clin Cancer Res. 2016 Sep 28. PMID: 27683180.
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      2. Kansagra AP, Wan JJ, Devulapalli KK, Horvai AE, O'Donnell RJ, Link TM. Malignant Transformation of an Aneurysmal Bone Cyst to Fibroblastic Osteosarcoma. Am J Orthop (Belle Mead NJ). 2016 Sep/Oct; 45(6):E367-E372. PMID: 27737291.
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      3. Trivedi H, Link TM, O'Donnell RJ, Horvai AE, Motamedi D. Multiple hereditary exostoses: A pseudoaneurysm masquerading as tumor. J Radiol Case Rep. 2016 Aug; 10(8):50-59. PMID: 27761193.
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      4. Cohen JN, Solomon DA, Horvai AE, Kakar S, et al. Pancreatic Involvement by Mesenchymal Chondrosarcoma Harboring the HEY1-NCOA2 Gene Fusion. Hum Pathol. 2016 Aug 17. PMID: 27544802.
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      5. Wentworth K, Hsing A, Urrutia A, Zhu Y, Horvai AE, Bastepe M, Hsiao EC. A Novel T55A Variant of Gs a Associated with Impaired cAMP Production, Bone Fragility, and Osteolysis. Case Rep Endocrinol. 2016; 2016:2691385. PMID: 27579188; PMCID: PMC4992514.
      6. Butler C, Osterberg C, Horvai A, Breyer B. Milroy's disease and scrotal lymphoedema: pathological insight. BMJ Case Rep. 2016; 2016. PMID: 27118755.
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      7. Singer L, Calkins SM, E Horvai A, R Ryan W, Yom SS. Xanthogranuloma in the heavily irradiated low neck in a patient with head and neck cancer. J Otolaryngol Head Neck Surg. 2016; 45(1):20. PMID: 27009318.
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      8. Davis JL, Horvai AE. Special AT-rich sequence-binding protein 2 (SATB2) expression is sensitive but may not be specific for osteosarcoma as compared with other high-grade primary bone sarcomas. Histopathology. 2016 Jul; 69(1):84-90. PMID: 26644288.
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      9. Balitzer D, McCalmont TH, Horvai AE. Adipocyte-Like Differentiation in a Posttreatment Embryonal Rhabdomyosarcoma. Case Rep Pathol. 2015; 2015:406739. PMID: 26783483.
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      10. Kang Y, Horvai AE. p16 Immunohistochemistry is Less Useful Than MDM2 and CDK4 to Distinguish Dedifferentiated Liposarcomas From Other Retroperitoneal Mimics. Appl Immunohistochem Mol Morphol. 2015 Oct 27. PMID: 26509911.
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      11. Cho SJ, Horvai A. Chondro-Osseous Lesions of Soft Tissue. Surg Pathol Clin. 2015 Sep; 8(3):419-44. PMID: 26297064.
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      12. Tinkle CL, Weinberg V, Braunstein SE, Wustrack R, Horvai A, Jahan T, O'Donnell RJ, Gottschalk AR. Intraoperative Radiotherapy in the Management of Locally Recurrent Extremity Soft Tissue Sarcoma. Sarcoma. 2015; 2015:913565. PMID: 26346118; PMCID: PMC4546758.
      13. Jacquot C, Szymanska J, Nemana LJ, Steinbach LS, Horvai AE. Soft-tissue aneurysmal bone cyst with translocation t(17;17)(p13;q21) corresponding to COL1A1 and USP6 loci. Skeletal Radiol. 2015 Nov; 44(11):1695-9. PMID: 26142538.
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      14. Hong CW, Hsiao EC, Horvai AE, Link TM. Chronic recurrent multifocal osteomyelitis with an atypical presentation in an adult man. Skeletal Radiol. 2015 Sep; 44(9):1359-64. PMID: 25771734.
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      15. Ud Din N, Pekmezci M, Javed G, Horvai AE, Ahmad Z, Faheem M, Navarro AL, López-Terrada D, Perry A. Low-grade small round cell tumor of the cauda equina with EWSR1-WT1 fusion and indolent clinical course. Hum Pathol. 2015 Jan; 46(1):153-8. PMID: 25454478.
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      16. Bucknor MD, Rieke V, Seo Y, Horvai AE, Hawkins RA, Majumdar S, Link TM, Saeed M. Bone remodeling after MR imaging-guided high-intensity focused ultrasound ablation: evaluation with MR imaging, CT, Na(18)F-PET, and histopathologic examination in a swine model. Radiology. 2015 Feb; 274(2):387-94. PMID: 25302829; PMCID: PMC4314293 [Available on 02/01/16].
      17. Pekmezci M, Reuss DE, Hirbe AC, Dahiya S, Gutmann DH, von Deimling A, Horvai AE, Perry A. Morphologic and immunohistochemical features of malignant peripheral nerve sheath tumors and cellular schwannomas. Mod Pathol. 2015 Feb; 28(2):187-200. PMID: 25189642.
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      18. Applebaum MA, Thomas DG, Hembrough T, Burrows J, Horvai AE, Lawlor ER, DuBois SG. Comparative evaluation of strategies for quantifying signaling pathway proteins in Ewing sarcoma. Appl Immunohistochem Mol Morphol. 2014 Sep; 22(8):593-9. PMID: 24590121; PMCID: PMC4148473.
      19. Brohl AS, Solomon DA, Chang W, Wang J, Song Y, Sindiri S, Patidar R, Hurd L, Chen L, Shern JF, Liao H, Wen X, Gerard J, Kim JS, Lopez Guerrero JA, Machado I, Wai DH, Picci P, Triche T, Horvai AE, Miettinen M, Wei JS, Catchpool D, Llombart-Bosch A, Waldman T, Khan J. The genomic landscape of the Ewing Sarcoma family of tumors reveals recurrent STAG2 mutation. PLoS Genet. 2014 Jul; 10(7):e1004475. PMID: 25010205; PMCID: PMC4091782.
      20. Davis JL, Grenert JP, Horvai AE. Loss of heterozygosity and microsatellite instability are rare in sporadic dedifferentiated liposarcoma: a study of 43 well-characterized cases. Arch Pathol Lab Med. 2014 Jun; 138(6):823-7. PMID: 24878023.
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      21. Schafer AL, Mumm S, El-Sayed I, McAlister WH, Horvai AE, Tom AM, Hsiao EC, Schaefer FV, Collins MT, Anderson MS, Whyte MP, Shoback DM. Panostotic expansile bone disease with massive jaw tumor formation and a novel mutation in the signal peptide of RANK. J Bone Miner Res. 2014 Apr; 29(4):911-21. PMID: 24014458; PMCID: PMC4419358.
      22. E Horvai A, C Jordan R. Fibro-osseous lesions of the craniofacial bones: ß-catenin immunohistochemical analysis and CTNNB1 and APC mutation analysis. Head Neck Pathol. 2014; 8(3):291-7. PMID: 24664543; PMCID: PMC4126923.
      23. Reza J, Sammann A, Jin C, Horvai A, Hudnall M, Jablons DM, Jahan T, Kornak J, Mann MJ. Aggressive and minimally invasive surgery for pulmonary metastasis of sarcoma. J Thorac Cardiovasc Surg. 2014 Apr; 147(4):1193-200; discussion 1200-1. PMID: 24507991.
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      24. Solomon DA, Antonescu CR, Link TM, O'Donnell RJ, Folpe AL, Horvai AE. Hemosiderotic fibrolipomatous tumor, not an entirely benign entity. Am J Surg Pathol. 2013 Oct; 37(10):1627-30. PMID: 24025526.
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      25. Sharib J, Horvai A, Gray Hazard FK, Daldrup-Link H, Goldsby R, Marina N, DuBois SG. Comparison of Latino and non-Latino patients with Ewing sarcoma. Pediatr Blood Cancer. 2014 Feb; 61(2):233-7. PMID: 23970433; PMCID: PMC4206264.
      26. Kang Y, Pekmezci M, Folpe AL, Ersen A, Horvai AE. Diagnostic utility of SOX10 to distinguish malignant peripheral nerve sheath tumor from synovial sarcoma, including intraneural synovial sarcoma. Mod Pathol. 2014 Jan; 27(1):55-61. PMID: 23929265.
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      27. Nejadnik H, Henning TD, Do T, Sutton EJ, Baehner F, Horvai A, Sennino B, McDonald D, Meier R, Misselwitz B, Link TM, Daldrup-Link HE. MR imaging features of gadofluorine-labeled matrix-associated stem cell implants in cartilage defects. PLoS One. 2012; 7(12):e49971. PMID: 23251354; PMCID: PMC3520977.
      28. Courtier J, Robbins E, Soares B, Horvai A, Mackenzie JD. Primary mixed malignant tumor of bone in an 18-year-old male: Report of a case with radiologic-pathologic correlation. J Bone Oncol. 2012 Dec; 1(3):101-5. PMID: 26909264.
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      29. Choi G, Huang B, Pinarbasi E, Braunstein SE, Horvai AE, Kogan S, Bhatia S, Faddegon B, Nakamura JL. Genetically mediated Nf1 loss in mice promotes diverse radiation-induced tumors modeling second malignant neoplasms. Cancer Res. 2012 Dec 15; 72(24):6425-34. PMID: 23071067; PMCID: PMC3787120.
      30. Kazakia GJ, Kuo D, Schooler J, Siddiqui S, Shanbhag S, Bernstein G, Horvai A, Majumdar S, Ries M, Li X. Bone and cartilage demonstrate changes localized to bone marrow edema-like lesions within osteoarthritic knees. Osteoarthritis Cartilage. 2013 Jan; 21(1):94-101. PMID: 23025926; PMCID: PMC3538951.
      31. Horvai AE, Roy R, Borys D, O'Donnell RJ. Regulators of skeletal development: a cluster analysis of 206 bone tumors reveals diagnostically useful markers. Mod Pathol. 2012 Nov; 25(11):1452-61. PMID: 22766796.
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      32. Vergara-Lluri ME, Stohr BA, Puligandla B, Brenholz P, Horvai AE. A novel sarcoma with dual differentiation: clinicopathologic and molecular characterization of a combined synovial sarcoma and extraskeletal myxoid chondrosarcoma. Am J Surg Pathol. 2012 Jul; 36(7):1093-8. PMID: 22743288.
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      33. Henning TD, Gawande R, Khurana A, Tavri S, Mandrussow L, Golovko D, Horvai A, Sennino B, McDonald D, Meier R, Wendland M, Derugin N, Link TM, Daldrup-Link HE. Magnetic resonance imaging of ferumoxide-labeled mesenchymal stem cells in cartilage defects: in vitro and in vivo investigations. Mol Imaging. 2012 Jun; 11(3):197-209. PMID: 22554484; PMCID: PMC3727234.
      34. Borys D, Canter RJ, Hoch B, Martinez SR, Tamurian RM, Murphy B, Bishop JW, Horvai A. P16 expression predicts necrotic response among patients with osteosarcoma receiving neoadjuvant chemotherapy. Hum Pathol. 2012 Nov; 43(11):1948-54. PMID: 22578565.
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      35. Sharib JM, Cyrus J, Horvai A, Gray Hazard FK, Neuhaus J, Matthay KK, Goldsby R, Marina N, DuBois SG. Predictors of acute chemotherapy-associated toxicity in patients with Ewing sarcoma. Pediatr Blood Cancer. 2012 Oct; 59(4):611-6. PMID: 22180320; PMCID: PMC3310949.
      36. Prasad AP, George V, Porzig A, Horvai AE, Gross A, Shoback D, Link TM. Progressive craniofacial bone loss after cosmetic surgery at the forehead. Skeletal Radiol. 2012 Apr; 41(4):477-81. PMID: 22127344.
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      37. Virayavanich W, Ringler MD, Chin CT, Baum T, Giaconi JC, O'Donnell RJ, Horvai AE, Jones KD, Link TM. CT-guided biopsy of bone and soft-tissue lesions: role of on-site immediate cytologic evaluation. J Vasc Interv Radiol. 2011 Jul; 22(7):1024-30. PMID: 21570872.
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      38. Horvai AE, Boyce BF. Metabolic bone diseases. Semin Diagn Pathol. 2011 Feb; 28(1):13-25. PMID: 21675374.
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      39. Tham SC, Horvai AE, Link T, Steinbach L. Soft tissue mass at the infrascapular fossa. Skeletal Radiol. 2011 Jan; 40(1):105-6, 123-4. PMID: 21072631; PMCID: PMC2989001.
      40. Nakamura JL, Phong C, Pinarbasi E, Kogan SC, Vandenberg S, Horvai AE, Faddegon BA, Fiedler D, Shokat K, Houseman BT, Chao R, Pieper RO, Shannon K. Dose-dependent effects of focal fractionated irradiation on secondary malignant neoplasms in Nf1 mutant mice. Cancer Res. 2011 Jan 1; 71(1):106-15. PMID: 21199799; PMCID: PMC3077533.
      41. Li X, Cheng J, Lin K, Saadat E, Bolbos RI, Jobke B, Ries MD, Horvai A, Link TM, Majumdar S. Quantitative MRI using T1? and T2 in human osteoarthritic cartilage specimens: correlation with biochemical measurements and histology. Magn Reson Imaging. 2011 Apr; 29(3):324-34. PMID: 21130590; PMCID: PMC3058148.
      42. Burk TF, Horvai AE, Gottschalk AR, Leong SP, Kashani-Sabet M, Goldsby RE, Law J, O'Donnell RJ. Patellar metastatic melanoma in a 13-year-old boy. Am J Orthop (Belle Mead NJ). 2010 Dec; 39(12):582-6. PMID: 21720575.
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      43. Virayavanich W, Singh R, O'Donnell RJ, Horvai AE, Goldsby RE, Link TM. Osteoid osteoma of the femur in a 7-month-old infant treated with radiofrequency ablation. Skeletal Radiol. 2010 Nov; 39(11):1145-9. PMID: 20694724; PMCID: PMC2939336.
      44. Cascio MJ, O'Donnell RJ, Horvai AE. Epithelioid sarcoma expresses epidermal growth factor receptor but gene amplification and kinase domain mutations are rare. Mod Pathol. 2010 Apr; 23(4):574-80. PMID: 20118913.
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      45. Davari P, Hebert JL, Albertson DG, Huey B, Roy R, Mancianti ML, Horvai AE, McDaniel LD, Schultz RA, Epstein EH. Loss of Blm enhances basal cell carcinoma and rhabdomyosarcoma tumorigenesis in Ptch1+/- mice. Carcinogenesis. 2010 Jun; 31(6):968-73. PMID: 19995795; PMCID: PMC2878356.
      46. Tseng WW, Doyle JA, Maguiness S, Horvai AE, Kashani-Sabet M, Leong SP. Giant cutaneous melanomas: evidence for primary tumour induced dormancy in metastatic sites? BMJ Case Rep. 2009; 2009. PMID: 21977058; PMCID: PMC3027359.
      47. Horvai AE, DeVries S, Roy R, O'Donnell RJ, Waldman F. Similarity in genetic alterations between paired well-differentiated and dedifferentiated components of dedifferentiated liposarcoma. Mod Pathol. 2009 Nov; 22(11):1477-88. PMID: 19734852.
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      48. Bahrami A, Weiss SW, Montgomery E, Horvai AE, Jin L, Inwards CY, Folpe AL. RT-PCR analysis for FGF23 using paraffin sections in the diagnosis of phosphaturic mesenchymal tumors with and without known tumor induced osteomalacia. Am J Surg Pathol. 2009 Sep; 33(9):1348-54. PMID: 19609206.
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      49. Henning TD, Sutton EJ, Kim A, Golovko D, Horvai A, Ackerman L, Sennino B, McDonald D, Lotz J, Daldrup-Link HE. The influence of ferucarbotran on the chondrogenesis of human mesenchymal stem cells. Contrast Media Mol Imaging. 2009 Jul-Aug; 4(4):165-73. PMID: 19670250; PMCID: PMC2933782.
      50. Gill R, O'Donnell RJ, Horvai A. Utility of immunohistochemistry for endothelial markers in distinguishing epithelioid hemangioendothelioma from carcinoma metastatic to bone. Arch Pathol Lab Med. 2009 Jun; 133(6):967-72. PMID: 19492891.
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      51. Joe BN, Bolaris M, Horvai A, Yeh BM, Coakley FV, Meng MV. Solitary fibrous tumor of the male pelvis: findings at CT with histopathologic correlation. Clin Imaging. 2008 Sep-Oct; 32(5):403-6. PMID: 18760732.
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      52. Swain RS, Tihan T, Horvai AE, Di Vizio D, Loda M, Burger PC, Scheithauer BW, Kim GE. Inflammatory myofibroblastic tumor of the central nervous system and its relationship to inflammatory pseudotumor. Hum Pathol. 2008 Mar; 39(3):410-9. PMID: 18261625.
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      53. Horvai AE, Schaefer JT, Nakakura EK, O'Donnell RJ. Immunostaining for peroxisome proliferator gamma distinguishes dedifferentiated liposarcoma from other retroperitoneal sarcomas. Mod Pathol. 2008 May; 21(5):517-24. PMID: 18204431.
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      54. Horvai AE, Kramer MJ, Garcia JJ, O'Donnell RJ. Distribution and prognostic significance of human telomerase reverse transcriptase (hTERT) expression in giant-cell tumor of bone. Mod Pathol. 2008 Apr; 21(4):423-30. PMID: 18204433.
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      55. Kramer MJ, Tanner BJ, Horvai AE, O'Donnell RJ. Compressive osseointegration promotes viable bone at the endoprosthetic interface: retrieval study of Compress implants. Int Orthop. 2008 Oct; 32(5):567-71. PMID: 17576554; PMCID: PMC2551719.
      56. Horvai A, Unni KK. Premalignant conditions of bone. J Orthop Sci. 2006 Jul; 11(4):412-23. PMID: 16897210; PMCID: PMC2780648.
      57. Horvai AE, Kramer MJ, O'Donnell R. Beta-catenin nuclear expression correlates with cyclin D1 expression in primary and metastatic synovial sarcoma: a tissue microarray study. Arch Pathol Lab Med. 2006 Jun; 130(6):792-8. PMID: 16740029.
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      58. Garcia JJ, Kramer MJ, O'Donnell RJ, Horvai AE. Mismatch repair protein expression and microsatellite instability: a comparison of clear cell sarcoma of soft parts and metastatic melanoma. Mod Pathol. 2006 Jul; 19(7):950-7. PMID: 16619000.
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      59. Garcia JJ, Kramer MJ, Mackey ZB, O'Donnell RJ, Horvai AE. Utility of CD117 immunoreactivity in differentiating metastatic melanoma from clear cell sarcoma. Arch Pathol Lab Med. 2006 Mar; 130(3):343-8. PMID: 16519562.
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      60. Chao RC, Pyzel U, Fridlyand J, Kuo YM, Teel L, Haaga J, Borowsky A, Horvai A, Kogan SC, Bonifas J, Huey B, Jacks TE, Albertson DG, Shannon KM. Therapy-induced malignant neoplasms in Nf1 mutant mice. Cancer Cell. 2005 Oct; 8(4):337-48. PMID: 16226708.
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      61. Minor TX, Yeh BM, Horvai AE, Abrahams HM, Meng MV, Stoller ML. Symptomatic perirenal serous cysts of müllerian origin mimicking renal cysts on CT. AJR Am J Roentgenol. 2004 Nov; 183(5):1393-6. PMID: 15505309.
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      62. Horvai AE, Li L, Xu Z, Kramer MJ, Jablons DM, Treseler PA. c-Kit is not expressed in malignant mesothelioma. Mod Pathol. 2003 Aug; 16(8):818-22. PMID: 12920227.
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      63. Kolen ER, Horvai A, Perry V, Gupta N. Congenital craniopharyngioma: a role for imaging in the prenatal diagnosis and treatment of an uncommon tumor. Fetal Diagn Ther. 2003 Jul-Aug; 18(4):270-4. PMID: 12835588.
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      64. Horvai AE, Li L, Xu Z, Kramer MJ, Jablons DM, Treseler PA. Malignant mesothelioma does not demonstrate overexpression or gene amplification despite cytoplasmic immunohistochemical staining for c-Erb-B2. Arch Pathol Lab Med. 2003 Apr; 127(4):465-9. PMID: 12683876.
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      65. Guidez F, Li AC, Horvai A, Welch JS, Glass CK. Differential utilization of Ras signaling pathways by macrophage colony-stimulating factor (CSF) and granulocyte-macrophage CSF receptors during macrophage differentiation. Mol Cell Biol. 1998 Jul; 18(7):3851-61. PMID: 9632769; PMCID: PMC108969.
      66. Horvai AE, Xu L, Korzus E, Brard G, Kalafus D, Mullen TM, Rose DW, Rosenfeld MG, Glass CK. Nuclear integration of JAK/STAT and Ras/AP-1 signaling by CBP and p300. Proc Natl Acad Sci U S A. 1997 Feb 18; 94(4):1074-9. PMID: 9037008; PMCID: PMC19746.
      67. Horvai A, Palinski W, Wu H, Moulton KS, Kalla K, Glass CK. Scavenger receptor A gene regulatory elements target gene expression to macrophages and to foam cells of atherosclerotic lesions. Proc Natl Acad Sci U S A. 1995 Jun 6; 92(12):5391-5. PMID: 7777517; PMCID: PMC41700.
      68. Wu H, Moulton K, Horvai A, Parik S, Glass CK. Combinatorial interactions between AP-1 and ets domain proteins contribute to the developmental regulation of the macrophage scavenger receptor gene. Mol Cell Biol. 1994 Mar; 14(3):2129-39. PMID: 8114743; PMCID: PMC358573.
      69. Kalman D, Wong B, Horvai AE, Cline MJ, O'Lague PH. Nerve growth factor acts through cAMP-dependent protein kinase to increase the number of sodium channels in PC12 cells. Neuron. 1990 Mar; 4(3):355-66. PMID: 1690563.
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