Faysal Fedda, MD

Assistant ProfessorDepartment of Pathology and Laboratory Medicine

ULH Basement 502-852-5857

Medical School

American University of Beirut, Lebanon in 2010

Graduate Medical Education

Residency in Anatomic, Clinical pathology and Fellowship in cytopathology at University of Arkansas for Medical Sciences in Little Rock

Postgraduate Training in Pathology

Fellowships in Selective Surgical Pathology and Blood Bank/Transfusion Medicine at the  MD Anderson Cancer Center Houston Texas


Board certified in Anatomic, Clinical Pathology and Cytopathology and is board eligible for Blood Bank/Transfusion medicine.


Cytopathology, Transfusion Medicine

Research Interests

Gynecologic pathology, cytopathology



“Verruciform Xanthoma; a Special Epidermal Nevus” The XXXI symposium of the International Society of Dermatopathology, Barcelona, Spain, October 2010. Am J Dermatopathol. 2011 Apr;33(2):204-25. PMID: 21751448

“Synchronous/Mixed Ductal and Lobular Carcinoma of the Breast: Further Support of the Precursor Nature of Lobular Neoplasia and its Marker Status for Low Grade Breast Carcinogenesis” United States & Canadian Academy of Pathology 100th annual meeting, San Antonio, TX, United States of America, March 2011. Mod Pathol 24: 29A; https://doi.org/10.1038/modpathol.2011.15

“Cutaneous Leishmaniasis Mimicking Other Inflammatory and Neoplastic Processes: A Study of 54 Cases” United States & Canadian Academy of Pathology 100th annual meeting, San Antonio, TX, United States of America, March 2011. Mod Pathol 24: 118A; https://doi.org/10.1038/modpathol.2011.18

“Changing Frequency of Equivocal HER2/Neu Scores and Factors Predictive of Negative HER2/Neu Fluorescent In-Situ Hybridization in Invasive Carcinomas of the Breast” United States & Canadian Academy of Pathology 101st annual meeting, Vancouver BC, Canada, March 2012. Mod Pathol 25: 26A; https://doi.org/10.1038/modpathol.2012.11

“Effect of Normal Gland Staining on Amplification Results by FISH in HER2/Neu 3+ Invasive Carcinoma of the Breast” United States & Canadian Academy of Pathology 101st annual meeting, Vancouver BC, Canada, March 2012. Mod Pathol 25: 38A; https://doi.org/10.1038/modpathol.2012.11

“Immunohistochemically Equivocal HER2 Invasive Carcinomas of the Breast: What are the Factors Predictive of Her-2/neu Fluorescent in-situ Hybridization Negativity?” American Medical Association, Resident and Fellow Section 10th Annual Research Symposium, Honolulu, HI, United States of America, November 2012.

“Histopathologic Characteristics and Molecular Classification of Breast Cancer in Young Lebanese Women” United States & Canadian Academy of Pathology 102nd annual meeting, Baltimore MD, United States of America, March 2013. Mod Pathol 26: 77A; https://doi.org/10.1038/modpathol.2013.3

“The Utility of HNF-1beta Immunohistochemical Staining in the Diagnosis of Malignant Germ Cell Tumors of the Testis” United States & Canadian Academy of Pathology 105nd annual meeting, Seattle WA, United States of America, March 2016. Mod Pathol 29: 228A. https://doi.org/10.1038/modpathol.2016.10

“On-Site Adequacy in Pulmonologist-Performed EUS-B-FNA of Sub-diaphragmatic Lesions–An Institutional Experience” American society of cytopathology 65th Annual Scientific Meeting, November 2017. Journal of the American Society of Cytopathology 6 (5), S40-S41. https://doi.org/10.1016/j.jasc.2017.06.099

“Fine Needle Biopsy versus Fine Needle Aspiration in EUS-Guided Sampling of Pancreatic Lesions: An Institutional Experience” United States & Canadian Academy of Pathology 107th annual meeting, Vancouver BC, Canada, March 2018. Modern pathology 31, 160-161. https://doi.org/10.1038/labinvest.2018.5

“Risk-Reducing Surgery in Patients with Lynch Syndrome, A Clinicopathologic Study”
United States & Canadian Academy of Pathology 108th annual meeting, National Harbor, MD USA, March 2019. Modern Pathology volume 32, pages 35 (2019). https://doi.org/10.1038/s41379-019-0239-3


1. Boulos F, Fedda F. Clinical and biological significance of E-cadherin protein expression in invasive lobular carcinoma of the breast. Am J Surg Pathol. 2011;35(1):154-5. PMID: 21164301

2. Fedda F, Khattab R, Ibrahim A, Hayek S, Khalifeh I. Verruciform xanthoma: a special epidermal nevus. Cutis. 2011;88(6):269-72. PMID: 22372163

3. Fedda FA, Tawil AN, Boulos FI. Nerve sheath tumor with degenerative atypia and multivacuolated lipoblasts. Int J Surg Pathol. 2012;20(2):208-10. PMID: 21873411

4. Boulos FI, Dupont WD, Schuyler PA, Sanders ME, Page DL, Fedda FA, Simpson JF. Clinicopathologic characteristics of carcinomas that develop after a biopsy containing columnar cell lesions: evidence against a precursor role. Cancer. 2012;118(9):2372-7. PMID: 21918964

5. Saab J, Fedda F, Khattab R, Yhya L, Loya A, Satti M, Kibbi AG, Houreih MA, Raslan W, El-Sabban M, Khalifeh I. Cutaneous leishmaniasis mimicking inflammatory and neoplastic processes: a clinical, histopathological and molecular study of 57 cases. J Cutan Pathol. 2012;39(2):251-62. PMID: 22168790

6. Fedda F, Boulos F, Sabri A. Chondro-osseous respiratory epithelial adenomatoid hamartoma of the nasal cavity. Int Arch Otorhinolaryngol. 2013;17(2):218-21. PMID: 25992017

7. Jabbour MN, Fedda FA, Tawil AN, Shabb NS, Boulos FI. Follicular dendritic cell sarcoma of the head and neck expressing thyroid transcription factor-1: a case report with clinicopathologic and immunohistochemical literature review. Appl Immunohistochem Mol Morphol. 2014;22(9):705-12. PMID: 21836499

8. Boulos F, Farra CG, Saad aldin EM, Masaad C, Hassoun Y, Fedda F, Doumiati H, Tawil AN, Nasser Z, Nahleh Z, Tfayli A. Changing frequency of equivocal HER-2/neu scores and factors predictive of negative HER 2/neu fluorescent in situ hybridisation in invasive carcinomas of the breast. J Clin Pathol. 2014;67(3):204-9. PMID: 24108431

9. George NE, Raghavapuram S, Banerjee D, Al-shoha M, Fedda F, Tharian B. Ectopic Hepatocellular Carcinoma within a Choledochal Cyst Diagnosed Using Single-Operator Digital Cholangioscopy. Am J Gastroenterol. 2017;112(8):1347-1348. PMID: 28766569

10. Banerjee D, Raghavapuram S, George NE, Korourian S, Fedda F, Perisetti A, Tharian B. Cholangiocarcinoma Presenting as Linitis Plastica with Unusual Metastases to the Psoas Muscle and Urinary Bladder. ACG Case Rep J. 2018;5:e51. PMID: 30038923

11. Luo W, Fedda F, Lynch P, Tan D. CDH1 Gene and Hereditary Diffuse Gastric Cancer Syndrome: Molecular and Histological Alterations and Implications for Diagnosis And Treatment. Front Pharmacol. 2018;9:1421. PMID: 30568591

12. Fedda F, Migden MR, Curry JL, Torres-CABALA CA, Tetzlaff MT, Aung PP, Prieto VG, Ivan D, Myers JN, Nagarajan P. Angiotropism in recurrent cutaneous squamous cell carcinoma: Implications for regional tumor recurrence and extravascular migratory spread. J Cutan Pathol. 2019;46(2):152-158. PMID: 3041496

13. Farra C, Fedda F, Tfayli A, Tawil A, Zaatari G, Ashkar H, Issa G, Boulos F, The Impact of Partial Weak Staining in Normal Breast Epithelium on the Reliability of Immunohistochemistry Results in HercepTest-Positive Breast Cancer, Clinical Breast Cancer (2019), doi: https://doi.org/10.1016/j.clbc.2019.04.017


Martinez F., Fedda F. (2019) Blood Components. In: Nates J., Price K. (eds) Oncologic Critical Care. Springer, Cham.