Dr. Selim Nasser is associate professor of Pathology LAU School of Medicine and chief of Pathology at Clemenceau Medical Center. He is a graduate of St. Joseph University, School of Medicine, Beirut, Lebanon. He completed his Pathology residency training and was appointed chief resident at Massachusetts General Hospital, Harvard Medical School in Boston. He also completed two fellowships in Cytopathology and Molecular Genetic Pathology at Massachusetts General Hospital, Harvard Medical School. Dr. Nasser is American Board certified in Anatomic Pathology and Cytopathology. He held a faculty position in the Pathology Department at Massachusetts General Hospital until his return to Lebanon, where he introduced several new tests, including 1p/19q FISH testing and IDH1 evaluation in brain tumors as well as liquid-based cytology.
He is a founding faculty the Lebanese American University School of Medicine and the director of the Pathology residency training program. Dr. Nasser interests include Breast pathology, Neuropathology, GI pathology, Cytopathology and molecular tumor markers. He has authored several articles in these fields. Dr. Nasser is an active member of local and International pathology societies.


-Chief Department of Pathology
 Clemenceau Medical Center
 Affiliated with Johns Hopkins International
 Beirut – Lebanon

-Associate Professor in Pathology
Lebanese American University, School of Medicine
Byblos, Lebanon

-Adjunct Assistant Professor in Pathology
Johns Hopkins University School of Medicine



Doctor of Medicine, St. Joseph University, School of Medicine, Beirut, Lebanon
Anatomic pathology Board, Certified by the American Board of Pathology
Cytopathology Board, Certified by the American Board of Pathology

Molecular Genetic Pathology Fellowship:
Massachusetts General Hospital/Brigham and Women’s Hospital, Harvard Medical School, Boston, MA

Cytopathology Fellowship:
Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA

Pathology Residency:
Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
New England Medical Center, Tufts University School of Medicine, Boston, MA, USA
St. Luke’s Roosevelt Medical Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
Hotel Dieu de France Hospital, St. Joseph University School of Medicine, Beirut, Lebanon.


-Sabbah NA, Saoud CZ, Deeb M, Nasser SM. Helicobacter pylori Prevalence in Laparoscopic Sleeve Gastrectomy Specimen. Gastroenterol Res Pract. 2020 Dec 10;2020:

-Chedid G, Harb JG, Noureldine HA, Tayar C, Nasser SM, Sabbah NA. Pancreatic sarcoidosis mimicking neoplasia: Case report. Int J Surg Case Rep. 2020;74:63-65.

-Rahal MJH, Abou Al Ezz MR, El Hajj RA, Chokor JZ, Nasser SM, Moucharafieh RC.
Elbow Cystic Lymphangioma in an 8-Month-Old Boy. Case Rep Orthop. 2019 Feb

-Sweid A, Noureldine MHA, Nasser S, Badra M, Saikali I. A Case Report of
Meningeal Hemangiopericytoma: A 9-Year Journey from the Brain to the Spine. World
Neurosurg. 2019 Feb;122:459-463.

-Rahal MJH, Karam KM, Nasser SM, Daher JA, Abdel Nour HG, Nehme AH,
Moucharafieh RC. Calcaneus Metastasis from Follicular Thyroid Carcinoma 12 Years
after Total Thyroidectomy. Case Rep Orthop. 2018 Aug 29;2018

-El Khatib N, Nehme A, Nasser S, Moukarzel N, Abtar HK. Intramasseteric
Schwannoma mimicking an isolated cheek mass: Case report and review of the literature.
Int J Surg Case Rep. 2018;46:24-27.

-Feras A. Chehade, MD, Francois G. Kamar, MD, Labib Abouzahr, MD, Jihad Daher, MD, Selim M. Nasser, MD, and Wael A. AlJaroudi, MD. What is this image? 2016: Image 2 resultJ. Nucl. Cardiol. (2016) 23: 951

-R Sammour , S Nasser, N Debahy  , C El Habr. Fox-Fordyce Disease: An under-diagnosed adverse event of laser hair removal? J Eur Acad Dermatol Venereol 2016 Sep;30(9):1578-82.

-Kmeid M, Kamar FG, Nasser S, Moukarzel N. Metachronous, Single Metastasis to the Parotid, from Primary Breast Cancer: A Case Report and Review of the Literature, Case Rep Oncol Med. 2016;2016:3965283

-Nasser, S. M. and Tannous, Z. S. Histology and pathology of subcutaneous tissue, in Fat Removal: Invasive and Non-Invasive Body Contouring (ed M. M. Avram), John Wiley & Sons, Ltd, Chichester, UK. 2015

-Al Halabi M, El Hassan J, Nasser SM. Complete remission of peritonitis in a patient with luteinized thecomas of the type typically associated with sclerosing peritonitis using GnRH agonist and anti-estrogen. Gynecol Oncol Rep. 2015 Nov 27;14:38-9.

-Bekdash A, Darwish M, Timsah Z, Kassab E, Ghanem H, Najjar V, Ghosn M, Nasser S, El-Hajj H, Bazerbachi A, Liu S, Leppla SH, Frankel AE, Abi-Habib RJ. Phospho-MEK1/2 and uPAR Expression Determine Sensitivity of AML Blasts to a Urokinase-Activated Anthrax Lethal Toxin (PrAgU2/LF). Transl Oncol. 2015 Oct;8(5):347-57

-Nasser SC, Slim M, Nassif JG, Nasser SM. Influence of proton pump inhibitors on gastritis diagnosis and pathologic gastric changes. World J Gastroenterol. 2015 Apr 21;21(15):4599-606

-El Habr C, Sammour R, El-Murr T, Nasser S, Abi-Nasr T, Medawar C. Acrocyanosis and necrotic purpura: a manifestation of multiple myeloma and Type I cryoglobulinemia. Int J Dermatol. 2015 Aug;54(8):946-50

-Kamar FG, Kairouz VF, Nasser SM, Faddoul SG, Saikali IC. Atypical choroid plexus papilloma treated with single agent bevacizumab. Rare Tumors. 2014 Mar 18;6(1):4687

-Hanna S, Khalil B, Nasrallah A, Saykali BA, Sobh R, Nasser S, El-Sibai M. StarD13 is a tumor suppressor in breast cancer that regulates cell motility and invasion. Int J Oncol. 2014 Mar 18;6(1):4687

-Naboush A, Farhat F, Nasser SM, Kamar FG. Bifocal Presentation of Primary Testicular Extranasal NK/T-Cell Lymphoma: A Case Report and Review of the Literature. Case Rep Oncol Med. 2013;2013:267389.

-Saliba I, El Khatib N, Nehme A, Nasser S, Moukarzel N. Metastatic parotid myoepithelial carcinoma in a 7-year-old boy. Case Rep Pediatr. 2012;2012:212746

-Trak-Smayra V, Paradis V, Massart J, Nasser S, Jebara V, Fromenty B. Pathology of the liver in obese and diabetic ob/ob and db/db mice fed a standard on high-calorie diet. Int J Exp Pathol. 2011 Dec;92(6):413-21

-Nasser SM. Flat epithelial atypia of the breast. J Med Liban. 2009;57(2):105-9

-Nasser SM. Gene expression profiling in breast cancer. J Med Liban. 2009;57(2):83-8.

-Brown EB, Boucher Y, Nasser S, Jain RK. Measurement of macromolecular diffusion coefficients in human tumors. Microvasc Res. 2004 May;67(3):231-6.

-Nasser SM: Columnar cell lesions: current classification and controversies. Semin Diagn Pathol. 2004 Feb;21(1):18-24.

-Nasser SM, Cibas ES, Crum CP, Faquin WC. The significance of the Papanicolaou smear diagnosis of low-grade squamous intraepithelial lesion cannot exclude high-grade squamous intraepithelial lesion. Cancer. 2003 Oct 25;99(5):272-6.

-Nasser SM, Faquin WC, Dayal Y. Expression of Androgen, Estrogen and Progesterone Receptors in Salivary Gland Tumors: Frequent Expression of Androgen Receptor in a Subset of Malignant Salivary Gland Tumors. Am J Clin Pathol 2003;119:801-806.

-Prasad SR, Sahani D, Nasser S, Farrell J, Castillo CF, Hahn PF, Mueller PR, Saini S. Intraductal papillary mucinous tumors of the pancreas. Abdom Imaging 2003 May;28(3):357-65.

-Nasser SM, Choudry UH, Nielsen GP, Ott MJ. A leukemoid reaction in a patient with a dedifferentiated liposarcoma. Surgery 2001 Jun;129(6):765-7.

-Nasser SM, Pitman MB, Pilch BZ, Faquin WC. Fine-needle aspiration biopsy of papillary thyroid carcinoma. Cancer. 2000 Oct 25;90(5):307-11.

-Carla Mouta Carreira, Selim M Nasser, Emmanuelle di Tomaso, Timothy P Padera, Yves Boucher, Stanislav I Tomarev, and Rakesh K Jain. LYVE-1 Is Not Restricted to the Lymph Vessels: Expression in Normal Liver Blood Sinusoids and Down-Regulation in Human Liver Cancer and Cirrhosis. Cancer Res November 15, 2001; 61 (22).

-Porter DA, Krop IE, Nasser S, Sgroi D, Kaelin CM, Marks JR, Riggins G, Polyak K. A SAGE (serial analysis of gene expression) view of breast tumor progression. Cancer Res 2001 Aug 1;61(15):5697-702.

-Partridge A, Nasser SM, Dzik S. Nonmalignant diagnoses in patients. Mediastinal lymphadenopathy associated with congestive heart failure. J Clin Oncol. 2000 Jul;18(13):2635-6.

-Seth P, Lunetta KL, Bell DW, Gray H, Nasser SM, Rhei E, Kaelin CM, Iglehart DJ, Marks JR, Garber JE, Haber DA, Polyak K.Phenol sulfotransferases: hormonal regulation, polymorphism, and age of onset of breast cancer. Cancer Res. 2000 Dec 15;60(24):6859-63.

-Medlej R, Nasser S. Myelolipoma: Incidentaloma of the adrenal gland. The Lebanese Medical Journal, 443,3, 1993.