2015–Present Assistant Clinical Professor of Dermatology, Tufts University School of Medicine
2012–2013 Fellow, Dermatopathology, UT Southwestern Medical Center
2008–2012 Resident, Anatomic and Clinical Pathology, Boston University Medical Center
2011 Chief Resident, Boston University Medical Center
2004 MD, Luis Razetti School of Medicine, Central University of Venezuela, Caracas, Venezuela
2013 Anatomic and Clinical Pathology
United States and Canadian Academy of Pathology
College of American Pathologists
American Society of Clinical Pathology
American Society of Dermatopathology
International Society of Dermatopathology
New England Society of Dermatology
Massachusetts Academy of Dermatology
Massachusetts Medical Society
Florida Medical Association
Frydenlund N, Leone D, Yang S, Hoang M, Deng A, Hernandez-Perez M, R Singh R, Biswas A, Yaar R, Mahalingam M. Tumoral PD-L1 expression in desmoplastic melanoma is associated with depth of invasion, tumor infiltrating CD8 cytotoxic lymphocytes and the mixed cytomorphologic variant. Mod Pathol. 2017 Jan 13.
Yang S, Leone D, Frydenlund N, Hoang M, Deng A, Hernandez-Perez M, Biswas A, Singh R, Yaar R, Mahalingam M. Frequency of telomerase reverse transcripter promoter mutations in desmoplastic melanoma subtypes: analyses of 76 cases. Melanoma Res. 2016 Aug; 26(4):361–6.
Kadokura A, Frydenlund N, Leone DA, Yang S, Hoang MP, Deng A, Hernandez-Perez M, Biswas A, Singh R, Yaar R, Mahalingam M. Neurofibromin protein loss in desmoplastic melanoma subtypes: implicating NF1 allelic loss as a distinct genetic driver?. Hum Pathol. 2016 Jul; 53:82–90.
Aung PP, Feller JK, Yang S, Massaro J, Hernandez-Perez M, Yaar R, Singh R, Helm T, Mahalingam M. Microvessel density, lymphovascular density, and lymphovascular invasion in primary cutaneous melanoma-correlation with histopathologic prognosticators and BRAF status. Hum Pathol. 2015 Feb; 46(2):304–12.
Hernandez-Perez M, El-Hajahmad M, Massaro J, Mahalingam M. Expression of gelatinases (MMP-2, MMP-9) and gelatinase activator (MMP-14) in actinic keratosis and in in situ and invasive squamous cell carcinoma. Am J Dermatopathol. 2012 Oct; 34(7):723–8.
Hernandez-Perez M and Mahalingam M. Matrix Metalloproteinases in Health and Disease: Insights from Dermatopathology. Am J Dermatopathol. 2012 Aug; 34(6):565–79.
Roehrl MH, Hernandez M, Yang S, Christensen TG, Morera C. Helicobacter Heilmannii Gastritis in a Young Patient with Pets. Gastrointestinal Endoscopy. 2012 Aug; 76(2):421–2.
Paniz-Mondolfi A, Talhari C, Sander Hoffmann L, Connor D, Talhari S, Bermudez A, Hernandez-Perez M, Van Bressem, MF. Lobomycosis: An emerging disease in humans and delphinidae. Mycoses. 2012 Jul; 55(4):298–309.
Paniz-Mondolfi AE, Pérez-Alvarez AM, Lundberg U, Fornés L, Reyes-Jaimes O, Hernandez-Perez M, Hossler E. Cutaneous lepidopterism: dermatitis from contact with moths of Hylesia Metabus (Cramer 1775) (Lepidoptera: Saturniidae), the causative agent of caripito itch. Int J Dermatol. 2011 May; 50(5):535–41.
Chaux A, Pfannl R, Lloveras B, Alejo M, Clavero O, Lezcano C, Muñoz N, de Sanjosé S, Bosch X, Hernandez-Perez M, Velazquez EF, Cubilla AL. Distinctive association of p16INK4a over-expression with penile intraepithelial neoplasia (PeIN) depicting warty and/or basaloid features: A study of 141 cases evaluating a new nomenclature. Am J Surg Pathol. 2010 Mar; 34(3):385–92.