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Assistant Professor Director of Surgical Pathology Fellowship

Research Interests

Dr. Johnson’s clinical work centers on diagnostic surgical pathology, and he has subspecialty interests in head and neck, thoracic, and urologic pathology. His research interests encompass cancer diagnostics and quality assurance in surgical pathology, as well as the study of molecular biomarkers in leukemias and lymphomas.

Selected Publications

Johnson SM, Haberberger J, Galeotti J, Ramkissoon L, Coombs CC, Richardson DR, Foster MC, Duncan D, Montgomery ND, Ferguson NL, Zeidner JF. “Comprehensive genomic profiling reveals molecular subsets of ASXL1 mutated myeloid neoplasms.” Leuk Lymphoma. 2024 Feb;65(2):209-218. PMID: 37921062.

Johnson SM, Haberberger J, Ramkissoon L, Galeotti J, Coombs CC, Richardson DR, Foster MC, Zeidner JF, Ferguson NL, Montgomery ND. “A reappraisal of ASXL1 mutation sites and the cohesin binding motif in myeloid disease.” Blood Cancer J. 2023 Dec; 13(1): 96. PMID: 37365170.

Patel SA, Gibson MK, Deal A, Sheth S, Heiling H, Johnson SM, Douglas K, Flores M, Blumberg J, Lumley C, Yarbrough W, Shen C, Chera B, Bauman J, Hackman T, Weiss J. “A phase II study of induction chemotherapy plus durvalumab in resectable locally advanced head and neck squamous cell carcinoma.” Cancer. 2023 Nov 1;129(21):3381-3389. PMID: 37395170.

Patel S, Hamad J, Nielsen M, Johnson SM. “Management and evaluation of bladder paragangliomas.” Asian J Urol. 2022 Jan;9(1):94-96. PMID: 35198402.

Johnson SM, Samulski TD, O’Connor, SM, Smith SV, Funkhouser WK, Broaddus RR, Calhoun BC. “Clinical and Financial Implications of Second-Opinion Surgical Pathology Review.” Am J Clin Pathol. 2021 Sep 8;156(4):559-568. PMID: 33769453.

Johnson SM, Khararjian A, Legesse T, Khani F, Robinson B, Epstein J, Wobker SE. “The nested variant of urothelial carcinoma is a luminal bladder tumor with distinct co-expression of the basal marker cytokeratin 5/6.” Am J Clin Pathol. 2021 Mar 15;155(4):588-596. PMID: 33118597.

Johnson SM, JP Vanleer, O’Connor S, Maygarden S. “Current Procedural Terminology® coding in an academic breast pathology service: an illustration of the undervaluation of breast pathology.” Am J Surg Pathol. 2019 Nov;43(11):1510-1517. PMID: 31385852.

Johnson SM, Umakanthan JM, Yuan J, Fedoriw Y, Gregory Bociek R, Kaiser-Rogers K, Sanmann JN, Montgomery ND. “Lymphomas with pseudo-double hit BCL6-MYC translocations due to t(3;8)(q27;q24) are associated with a germinal center immunophenotype, extranodal involvement, and frequent BCL2 translocations.” Hum Pathol. 2018 Oct;80:192-200. PMID: 29902576.

Bibliography link:


Steven Johnson, MD
  • Pathology and Laboratory Medicine