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Robert E LeBlanc, MD

Title(s)
Associate Professor of Pathology and Laboratory Medicine

Additional Titles/Positions/Affiliations
Program Director, Dermatopathology Fellowship

Department(s)
Pathology and Laboratory Medicine

Education
MD, Cornell University Medical College, New York, NY, 2009

Post-Sophomore Fellowship in Pathology
University of California, Los Angeles, CA, 2006-2007

Residency in Anatomic & Clinical Pathology
Johns Hopkins Hospital, Baltimore, MD, 2009-2013

Fellowship in Surgical Pathology
Stanford University Medical Center, Stanford, CA, 2013-2014

Fellowship in Dermatopathology
Stanford University Medical Center, Stanford, CA, 2014-2015

Contact Information


Professional Interests

Dermatopathology
Melanoma
Cutaneous lymphoma
High risk skin cancer
Pathology education


Selected Publications

 

Secondary cutaneous marginal zone lymphoma arising in association with a Mohs micrographic surgery graft site.
Lange SJ, Trepanowski N, LeBlanc RE, Karrs JX, Lansigan F, Carter JB
JAAD Case Rep. 2026 Jan;67:103-106. doi: 10.1016/j.jdcr.2025.09.053. Epub 2025 Nov 3.
PMID: 41451027

Primary Cutaneous CD30-Positive Lymphoproliferative Disorder With Gamma-Delta T-Cells: A Molecular-Annotated Case With a Classic Clinical Appearance and Behavior.
Weiner D, Carter JB, Lansigan F, LeBlanc RE
J Cutan Pathol. 2025 Dec 12; doi: 10.1111/cup.70043. Epub 2025 Dec 12.
PMID: 41387293

Plaque-Type Syringoma Mimicking Microcystic Adnexal Carcinoma in a Patient With Generalized Syringomas: Case Report and Review of Diagnostic Pitfalls in the Assessment of Unusual Syringomatous Proliferations.
Dean MA, Abdat RK, Yan S, Sriharan A, Momtahen S, LeBlanc RE
Am J Dermatopathol. 2025 Oct 28; doi: 10.1097/DAD.0000000000003164. Epub 2025 Oct 28.
PMID: 41150935

Cribriform Tumor of the Skin: Identification of 6q and 9q Loss as a Recurrent Cytogenomic Alteration.
Ronen S, Grand DG, Khan WA, Michal M, Green DC, Ko JS, LeBlanc RE, Cloutier JM
Mod Pathol. 2025 Oct 14;39(1):100916. doi: 10.1016/j.modpat.2025.100916. Epub 2025 Oct 14.
PMID: 41101595

Papules confined to black-ink tattoos.
Voronina V, Bai H, Badin DJ, LeBlanc RE, Carter JB, Barton DT
JAAD Case Rep. 2025 Oct;64:186-188. doi: 10.1016/j.jdcr.2025.07.013. Epub 2025 Aug 7.
PMID: 41030922

Evaluating the Diagnostic Concordance of MyPath Melanoma Assay and PRAME Immunohistochemistry in Challenging Melanocytic Lesions.
Regmi A, Parra O, Ma W, LeBlanc RE, Sriharan A, Momtahen S, Cloutier JM, Yan S, Linos K
Am J Dermatopathol. 2025 Aug 1;47(8):596-604. doi: 10.1097/DAD.0000000000003018.
PMID: 40863711

Conjunctival Granulomas More Common than Recurrence in an 11-year Series of Pterygium Surgery.
Fearon KH, Gu D, LeBlanc RE, Yan S, Zegans ME
Eye Contact Lens. 2025 May 21;51(8):358-361. doi: 10.1097/ICL.0000000000001190. Epub 2025 May 21.
PMID: 40397784

Diagnostic Utility of Preferentially Expressed Antigen in Melanoma (PRAME) and p16 Immunohistochemistry in Distinguishing Genital Melanomas From Benign Melanocytic Proliferations.
Vavrukh P, LeBlanc RE, Yan S
Am J Dermatopathol. 2025 Jun 1;47(6):462-467. doi: 10.1097/DAD.0000000000002977. Epub 2025 Apr 22.
PMID: 40314660

Acute Disseminated Blistering and Desquamation in a 63-Year-Old Woman: Challenge.
Diiorio MR, Shah PC, Barton DT, LeBlanc RE, Dagrosa AT
Am J Dermatopathol. 2025 May 1;47(5):e50-e51. doi: 10.1097/DAD.0000000000002965.
PMID: 40249142

Acute Disseminated Blistering and Desquamation in a 63-Year-Old Woman: Answer.
Diiorio MR, Shah PC, Barton DT, LeBlanc RE, Dagrosa AT
Am J Dermatopathol. 2025 May 1;47(5):408-409. doi: 10.1097/DAD.0000000000002966.
PMID: 40249140

View more publications on PubMed