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Joel A. Lefferts, PhD

Associate Professor of Pathology and Laboratory Medicine

Additional Titles/Positions/Affiliations:
Assistant Director, Clinical Genomics and Advanced Technology Laboratory

Pathology and Laboratory Medicine

PhD, Rutgers Graduate School of Biomedical Sciences (University of Medicine & Dentistry of New Jersey), Newark, NJ , 2006

Molecular Pathology Fellowship, Dartmouth-Hitchcock Medical Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 2006-2010

Contact Information:

Department of Pathology
One Medical Center Drive
Lebanon NH 03756

Phone: 603-650-8116

Selected Publications:


Implementation of Reverse Transcriptase Polymerase Chain Reaction Testing for Severe Acute Respiratory Syndrome Coronavirus-2 Under the U.S. Food and Drug Administration Emergency Use Authorization.
Lefferts JA, Allen SF, Steinmetz HB, Tsongalis GJ
Clin Chem. 2020 Dec 14; pii: hvaa278. doi: 10.1093/clinchem/hvaa278. Epub 2020 Dec 14.
PMID: 33315063

Novel LRRFIP2-RAF1 fusion identified in an acral melanoma: A review of the literature on melanocytic proliferations with RAF1 fusions and the potential therapeutic implications.
LeBlanc RE, Lefferts JA, Baker ML, Linos KD
J Cutan Pathol. 2020 Dec;47(12):1181-1186. doi: 10.1111/cup.13817. Epub 2020 Sep 7.
PMID: 32700768

Concordance Analysis of the 23-Gene Expression Signature (myPath Melanoma) With Fluorescence In Situ Hybridization Assay and Single Nucleotide Polymorphism Array in the Analysis of Challenging Melanocytic Lesions: Results From an Academic Medical Center.
Castillo SA, Pham AK, Dagrosa AT, Yan S, Barton DT, Lefferts JA, Linos K
Am J Dermatopathol. 2020 Dec;42(12):939-947. doi: 10.1097/DAD.0000000000001713.
PMID: 32675469

Molecular genetic profiling reveals novel association between FLT3 mutation and survival in glioma.
Shee K, Chambers M, Hughes EG, Almiron DA, Deharvengt SJ, Green D, Lefferts JA, Andrew AS, Hickey WF, Tsongalis GJ
J Neurooncol. 2020 Jul;148(3):473-480. doi: 10.1007/s11060-020-03567-9. Epub 2020 Jun 24.
PMID: 32583303

Implementation of an Emergency Use Authorization Test During an Impending National Crisis.
Lefferts JA, Gutmann EJ, Martin IW, Wells WA, Tsongalis GJ
J Mol Diagn. 2020 Jul;22(7):844-846. doi: 10.1016/j.jmoldx.2020.05.001. Epub 2020 May 14.
PMID: 32417222

Lessons Learned from Direct-to-Consumer Genetic Testing.
Petersen LM, Lefferts JA
Clin Lab Med. 2020 Mar;40(1):83-92. doi: 10.1016/j.cll.2019.11.005. Epub 2020 Jan 7.
PMID: 32008642

CD10 and p63 expression in a sarcomatoid undifferentiated melanoma: A cautionary (and molecularly annotated) tale.
Lefferts JA, Loehrer AP, Yan S, Green DC, Deharvengt SJ, LeBlanc RE
J Cutan Pathol. 2020 Jun;47(6):541-547. doi: 10.1111/cup.13646. Epub 2020 Jan 20.
PMID: 31943331

A case of molecularly confirmed BAP1 inactivated melanocytic tumor with retention of immunohistochemical expression: A confounding factor.
Linos K, Atkinson AE, Yan S, Tsongalis GJ, Lefferts JA
J Cutan Pathol. 2020 May;47(5):485-489. doi: 10.1111/cup.13642. Epub 2020 Jan 23.
PMID: 31891422

Molecular Characterization of a Rare Dedifferentiated Liposarcoma With Rhabdomyosarcomatous Differentiation in a 24 Year Old.
Olson N, Gularte-Merida R, Selenica P, Da Cruz Paula A, Alemar B, Weigelt B, Lefferts J, Linos K
Int J Surg Pathol. 2020 Jun;28(4):454-463. doi: 10.1177/1066896919890401. Epub 2019 Dec 4.
PMID: 31801397

BAP1-deficient tumor/nevus with germline aberration: A potential pitfall in assessing melanocytic neoplasms with single nucleotide polymorphism array.
Hedayat AA, Lefferts JA, Atkinson AE, Busam KJ, Linos K
J Cutan Pathol. 2019 Sep;46(9):672-677. doi: 10.1111/cup.13488. Epub 2019 May 24.
PMID: 31058349

View more publications on PubMed