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Practice areas

  • Breast Cancer Team
  • Breast Pathology
  • Cytopathology
  • Gastrointestinal and Colorectal Cancer Team
  • Musculoskeletal Cancer Team
  • Pathology & Laboratory Medicine
  • Surgical Pathology

Faculty rank

Associate Professor of Pathology and Laboratory Medicine

Clinic information

Clinical interests

  • Bone Pathology
  • Breast Pathology
  • Fine Needle Aspiration (FNA)

Education

Degree

Universidad Evangelica De El Salvador, San Antonio Abad, San Salvador, El Salvador

Residency

University of Kentucky, Lexington

Fellowship

Vanderbilt University Medical Center, Nashville, Tenn.
University of Kentucky, Lexington

Certifications or Special training

American Board of Pathology, Anatomic and Clinical Pathology
American Board of Pathology, Cytopathology

Additional information

Profile
My name is Luis Samayoa; I received my medical degree from the Universidad Evangelica De El Salvador, San Antonio Abad, San Salvador, El Salvador. I then completed fellowships at Vanderbilt University Medical Center, Nashville, Tenn. and the University of Kentucky, Lexington. I am board certified by the American Board of Pathology in Anatomic & Clinical Pathology and Cytopathology.

Research/Publications

  1. Sobande F, Samayoa LM, Moore AR, Adams K, Reynolds C. Primary pulmonary synovial sarcoma presenting as a breast mass. Breast J. 2011 Jul-Aug; 17(4):418-9. PMID: 21645168.
    View in: PubMed
  2. Purdom M, Cibull ML, Stratton TD, Samayoa LM, Romond EH, McGrath PC, Karabakhtsian RG. Should Histologic Grade Be Incorporated into the TNM Classification System for Small (T1, T2) Node-Negative Breast Adenocarcinomas? Patholog Res Int. 2010; 2011:825627. PMID: 21151541.
    View in: PubMed
  3. Moore A, Hester M, Nam MW, Brill YM, McGrath P, Wright H, Weisinger K, Romond E, Samayoa LM. Distinct lymph nodal sonographic characteristics in breast cancer patients at high risk for axillary metastases correlate with the final axillary stage. Br J Radiol. 2008 Aug; 81(968):630-6. PMID: 18628332.
    View in: PubMed
  4. Moore A, Hendon A, Hester M, Samayoa L. Secondary angiosarcoma of the breast: can imaging findings aid in the diagnosis? Breast J. 2008 May-Jun; 14(3):293-8. PMID: 18476885.
    View in: PubMed
  5. Hinson JL, McGrath P, Moore A, Davis JT, Brill YM, Samoilova E, Cibull M, Hester M, Romond E, Weisinger K, Samayoa LM. The critical role of axillary ultrasound and aspiration biopsy in the management of breast cancer patients with clinically negative axilla. Ann Surg Oncol. 2008 Jan; 15(1):250-5. PMID: 17680314.
    View in: PubMed
  6. Samoilova E, Davis JT, Hinson J, Brill YM, Cibull ML, McGrath P, Romond E, Moore A, Samayoa LM. Size of sentinel node tumor deposits and extent of axillary lymph node involvement: which breast cancer patients may benefit from less aggressive axillary dissections? Ann Surg Oncol. 2007 Aug; 14(8):2221-7. PMID: 17549569.
    View in: PubMed
  7. Davis JT, Brill YM, Simmons S, Sachleben BC, Cibull ML, McGrath P, Wright H, Romond E, Hester M, Moore A, Samayoa LM. Ultrasound-guided fine-needle aspiration of clinically negative lymph nodes versus sentinel node mapping in patients at high risk for axillary metastasis. Ann Surg Oncol. 2006 Dec; 13(12):1545-52. PMID: 17009156.
    View in: PubMed
  8. Shih WJ, Samayoa L, Shih GL, Milan P. Primary hepatic carcinoid tumor presenting as a large multicystic lesion of the liver and on Tc-99m RBC abdominal imaging showing photopenic areas. Clin Nucl Med. 2005 Jul; 30(7):530-1. PMID: 15965342.
    View in: PubMed
  9. Rutledge H, Davis J, Chiu R, Cibull M, Brill Y, McGrath P, Samayoa L. Sentinel node micrometastasis in breast carcinoma may not be an indication for complete axillary dissection. Mod Pathol. 2005 Jun; 18(6):762-8. PMID: 15761490.
    View in: PubMed
  10. Liao J, Davey DD, Warren G, Davis J, Moore AR, Samayoa LM. Ultrasound-guided fine-needle aspiration biopsy remains a valid approach in the evaluation of nonpalpable breast lesions. Diagn Cytopathol. 2004 May; 30(5):325-31. PMID: 15108230.
    View in: PubMed
  11. Shih WJ, Samayoa L. Tc-99m depreotide detecting malignant pulmonary nodules: histopathologic correlation with semiquantitative tumor-to-normal lung ratio. Clin Nucl Med. 2004 Mar; 29(3):171-6. PMID: 15162987.
    View in: PubMed
  12. Romero A, Reddy KS, Johnston TD, Waid TW, Wade MeKeown J, Khan T, Karounos D, Doukas M, Samayoa L, Ranjan D. Simultaneous kidney-pancreas transplantation in a patient with small lymphocytic lymphoma. Transplantation. 2003 Feb 15; 75(3):414-6. PMID: 12589167.
    View in: PubMed
  13. Batey CA, Samayoa LM. Progressive Langerhans' cell histiocytosis presenting as a primary penile lesion. J Urol. 2002 Mar; 167(3):1433-4. PMID: 11832764.
    View in: PubMed
  14. Haroon S, Samayoa L, Witzke D, Davey D. Reproducibility of cervicovaginal ThinPrep cellularity assessment. Diagn Cytopathol. 2002 Jan; 26(1):19-21. PMID: 11782081.
    View in: PubMed