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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

 

A complex case of chronic cutaneous Borrelia burgdorferi sensu stricto infection manifesting as morphea-like sclerosis in the United States.
Diiorio MR, Huang G, Shah PC, Yan S, LeBlanc RE, Lefferts JA, Brown LA, Barton DT
JAAD Case Rep. 2026 Mar;69:176-180. doi: 10.1016/j.jdcr.2026.01.038. Epub 2026 Feb 2.
PMID: 41782738

Durable remission of primary testicular diffuse large B-cell lymphoma with secondary cutaneous involvement with chimeric antigen receptor T-cell therapy.
Trepanowski N, LeBlanc RE, Jacobson CA, Carter JB, Lansigan F
JAAD Case Rep. 2026 Mar;69:1-4. doi: 10.1016/j.jdcr.2025.12.046. Epub 2026 Jan 10.
PMID: 41675027

Blue-Black Dome-Shaped Papule on the Right Upper Back of a 12-Year-Old Child: Challenge.
Dileep A, Cloutier JM, Green DC, Mann JA, LeBlanc RE
Am J Dermatopathol. 2026 Feb 1;48(2):e13-e14. doi: 10.1097/DAD.0000000000003109.
PMID: 41592310

Blue-Black Dome-Shaped Papule on the Right Upper Back of a 12-Year-Old Child: Answer.
Dileep A, Cloutier JM, Green DC, Mann JA, LeBlanc RE
Am J Dermatopathol. 2026 Feb 1;48(2):155-156. doi: 10.1097/DAD.0000000000003110.
PMID: 41592304

GRHL-rearranged sebaceoma: expanding the clinical and morphologic spectrum.
Dileep A, Ko CJ, LeBlanc RE, Panse GG, Cloutier JM
Hum Pathol. 2026 Apr;170:106058. doi: 10.1016/j.humpath.2026.106058. Epub 2026 Jan 22.
PMID: 41580204

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. 2026 Apr;53(4):318-322. 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. 2026 Mar 1;48(3):226-229. 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. 2026 Jan;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

View more publications on PubMed