The Geisinger Medical Laboratories Anatomic Pathology Staff

Dr. Tammie Ferringer

TAMMIE FERRINGER, M.D.
Section Head, Dermatopathology
Director, Geisinger Dermatopathology Fellowship Program

Dr. Ferringer is the section head for GML's dermatopathology subpsecialty section. She is also an Associate in the Department of Dermatology at Geisinger Medical Center and serves as the director of the Dermatopathology Fellowship Program.

Education:

She earned her M.D. at Medical College of Pennsylvania in Philadelphia and completed her residency in Dermatology at Geisinger. Dr. Ferringer completed a fellowship in Dermatopathology at the Medical University of South Carolina in Charleston.

Certifications:

Dr. Ferringer is board certified in Dermatology and Dermatopathology.

Professional Affiliations:

Editorial Posts
Editorial Board, Cutis; Assistant Editor
Journal of the American Academy of Dermatology

Peer Reviewer
Journal of Cutaneous Pathology
American Journal of Dermatopathology

Committees
Academic Dermatology Leadership Program (ADLP) Work Group, American Academy of Dermatology
Graduate Medical Education Committe, Geisinger Medical Center
Tissue Committee, Geisinger Medical Center
Poster Exhibits Task Force, American Academy of Dermatology;
Committee on Informatics, American Society of Dermatopathology

Professional Societies
Philadelphia Dermatologic Society
Pennsylvania Academy of Dermatology
Association of Professors of Dermatology
Women’s Dermatologic Society
International Society of Dermatopathology
American Society of Dermatopathology

Research Interests:

Dermatopathology

Publications in Peer-Reviewed Journals:

Cronin H, Mowad C, Ferringer T . Large nodular plaque on leg in the setting of chronic lymphedema--quiz case. Angiosarcoma in the setting of familial lymphedema. Arch Dermatol 146(3). 337-342, 2010.
Shockman SC, Tyler WB 3rd, Pride JB, Elston DM, Ferringer TC, Lountzis NI . Bullous lesion of the newborn scalp. J Am Acad Dermatol 63(1). e1-2, 2010.
Wilson ML, Elston DM, Tyler WB, Marks VJ, Ferringer T . Dense lymphocytic infiltrates associated with non-melanoma skin cancer in patients with chronic lymphocytic leukemia. Dermatol Online J 16(3). 4, 2010.
Wilson M, Lountzis N, Ferringer T. Zoonoses of dermatologic interest. Dermatol Ther 22(4). 367-378, 2009.
Dohse L, Ferringer T. Nodal blue nevus: a pitfall in lymph node biopsies. J Cutan Pathol July 10. , 2009.
Libow LF, Forman SB, Ferringer TC. Peckham MS, Dalton MS, Sasaki MG, Elston DM . The significance of melanoma subsets. J Am Acad Dermatol 60(5). 876, 2009.
Puri PK, Tyler WB, Ferringer TC. Neurofibroma with clear cell change. Am J Dermatopathol 31(5). 453-456, 2009.
Forman SB, Vidmar DA, Ferringer T. Collision tumor composed of merkel cell carcinoma and lentigo maligna melanoma. J Cutan Pathol 35. 203-206, 2008.
Puri PK, Forman SB,Ferringer T, Elston DM. S100 A6 immunohistochemical staining for spindle cell and desmoplastic melanomas. J Cutan Pathol 35. 256-257, 2008.
Forman SB, Sumfest JM, Pride HB, Ferringer TC. Penile granuloma annulare of an adolescent male--case report and review of the literature. Pediatr Dermatol 25. 260-262, 2008.
Ferringer T, Pride H, Tyler W. Body piercing complicated by atypical mycobacterial infections. Pediatr Dermatol 25. 219-222, 2008.
Forman SB, Ferringer TC, Peckham SJ, Dalton SR, Sasaki GT, Libow LF, Elston DM. Is superficial spreading melanoma still the most common form of malignant melanoma?. J Am Acad Dermatol 58. 1013-1020, 2008.
Wilson M., Mowad C, Ferringer T, Miller OF, Elston DM. Acquired perforating disorder after exposure to calcium chloride in ice-melting salt. Dermatitis 19. 278-80, 2008.
Puri,P.K.; Lountzis,N.I.; Tyler WB; Ferringer T. Hydroxychloroquine-induced hyperpigmentation: the staining pattern. J Cutan Pathol 35. 1134-1137, 2008.
Conroy,M.; Sewell,L.; Miller,O.F.; Ferringer T. Interferon-beta injection site reaction: review of the histology and report of a lupus-like pattern. J Am Acad Dermatol 59 S Suppl 1. S48-49, 2008.
Forman SB,Ferringer T. Clear-cell basal cell carcinoma: differentiation from other clear-cell tumors. Am J Dermatopathol 56. 811-814, 2007.
Forman SB, Ferringer TC, Garrett AB. Basal cell carcinoma of the nail unit. J Am Acad Dermatol 56. 811-184, 2007.
Forman SB, Tyler WB, Ferringer T, Elston DM. Glomeruloid hemangiomas without POEMS syndrome: Series of three cases. J Cutan Pathol 34. 956-957, 2007.
Demartini CS, Dalton MS, Ferringer T, Elston DM. Melan-A/MART-1 positive "pseudonests" in lichenoid inflammatory lesions: an uncommon phenomenon. Am J Dermatopathol 27. 370-371, 2006.
Dalton SR, Fillman EP, Ferringer T, Tyler WB, Elston DM. Smooth muscle pattern is more reliable than the presence or absence of an internal elastic lamina in distinguishing an artery from a vein. J Cutan Pathol 33. 216-219, 2006.
Ferringer T, Banks PM, Metcalf JS. Langerhans cell sarcoma. Am J Dermatopathol 28. 36-39, 2006.
Ferringer T, Rogers HC, Metcalf JS. Merkel Cell Carcinoma In-Situ. J Cutan Pathol 32. 162-165, 2005.
Elston DM, Ferringer T ,Fillman E, Tyler WB. A comparison of vertical versus transverse sections in the evaluation of alopecia biopsy specimens. JAAD 53. 267-272, 2005.
Mowad C, Ferringer T. Allergic contact dermatitis from acrylates in artificial nails. Dermatitis 15. 51-53, 2004.
Ferringer T, Mowad C. Telangiectatic Erythematous Cutaneous Reaction to an Implantable Cardioverter Defibrillator. Am J Contact Dermat 14. 37-40, 2003.
Ferringer T, Miller OF. Cutaneous manifestations of diabetes mellitus. Dermatologic Clinics 20. 483-492, 2002.

Presentations:
Wilson M, Forman S, Elston DM, Ferringer T. Identification of Cutaneous Chronic Lymphocytic Leukemia in association with Squamous Cell Carcinoma. Poster. American Society of Dermatopathology Annual Meeting, Chicago, IL, October 26-29,2006.
Lountzis N, Elston DM, Peckham S, Ferringer T. Melanocarcinoma. Poster. American Society of Dermatopathology Annual Meeting, Chicago, IL, October 26-29,2006.
Ferringer, TC. Exotic Disease Close to Home. Presentation. American Society of Dermatopathology Annual Meeting , Chicago, IL, October 2009.
Ferringer, TC. Pitfalls in Sentinel Lymph Nodes for Melanoma . Poster. American Society of Dermatopathology Annual Meeting , Chicago, IL, October 2009.
Ferringer TC. Self-Assessment Case Discussion. Presentation. American Academy of Dermatology Annual Meeting, San Francisco, CA, October 2008.
Ferringer TC. Consultative Cases-When Your Opinion Differs Radically. Panelist. American Society of Dermatpathology Annual Meeting, San Francisco, CA, October 2008.
Ferringer TC. Interferon Beta Injection Site Reaction: A Lupus Like Histology. Poster. ASDP Annual Meeting, Baltimore, MD, October 2007.
Ferringer TC. Infectious Agents. Consultation in Dermatology. ASDP Annual Meeting, Baltimore, MD, October 2007.
Ferringer T, Elston DM. Fibrous Umbilcal Polyps: A Distinct Fibrous Lesion of Iinfancy with a Male Predominance. Poster. American Society of Dermatopathology Annual Meeting, Chicago, IL, October 2006.
Ferringer T. Superficial Acral Fibromyxoma (poster) . Poster. American Society of Dermotopathology Annual Meeting, Seattle, WA, October 2005.
Ferringer T. Merkle Cell Carcinoma In Situ. Poster. American Society of Dermatopathology Annual Meeting, Chicago, IL, October 2003.
Wilson, M,Elston DM, Ferringer T, Forman, Miller OF. Acquired perforating disorder following exposure to ice-melting salt. Poster. American Society of Dermatopathology Annual Meeting, Baltimore, MD, October 18-21, 2007.
Lountzis N, Ferringer T, Elston DM,Tyler WB. Diaminobenzidine with azure B vs red chromagen in pigmented lesions. Poster. American Society of Dermatopathology Annual Meeting, Baltimore, MD, October 18-21, 2007.
Forman S,Elston DM, Ferringer T, Peckham S. Is superficial spreading melanoma still the most common form of malignant melanoma. Poster. American Society of Dermatopathology Annual Meeting, Baltimore, MD, October 18-21, 2007.
Puri P, Elston C, Tyler WB, Ferringer T Elston DM, Z, Jokinen C, Wolgamot G, Olerud J. Staining pattern of S100A6 in pigmented spindle cell nevus. Poster. American Society of Dermatopathology Annual Meeting, San Francisco, CA , October 16-19, 2008.
Ferringer, TC. Back to Basics and Beyond: Melanocytic Lesions. Speaker. Scientific Pearls, Myths and Pitfalls in Dermatopathology: Symposiums International, Hawaii, October 12-15, 2009.
Ferringer, TC. You're Bugging Me: Infectious Agents. Speaker. Scientific Pearls, Myths and Pitfalls in Dermatopathology: Symposiums International, Hawaii, October 12-15, 2009.
Ferringer, TC. Alopecia: A Hair Raising Topic. Speaker. Scientific Pearls, Myths and Pitfalls in Dermatopathology: Symposiums International, Hawaii, October 12-15, 2009.
Ferringer, TC. Inflammatory Dermatoses from the Dermatologists Point of View. Speaker. Scientific Pearls, Myths and Pitfalls in Dermatopathology: Symposiums International, Hawaii, October 12-15, 2009.
Ferringer, TC. Chicken Soup and Cheerios: Panniculitis Made Easy. Speaker. Scientific Pearls, Myths and Pitfalls in Dermatopathology: Symposiums International, Hawaii, October 12-15, 2009.
Ferringer T. Cyclosporine. Grand Rounds. Hershey Medical Center, Hershey, PA, November 2002.
Ferringer T. Erythema Nodosum. CME Speaker Presenation. Day with the Dermatologists, Danville, PA, May 2002.
Lountzis N, Elston D, Ferringer T. Generalized perforating granuloma annulare. Poster 1159. American Academy of Dermatology 68th Annual Meeting, Miami, Florida, March 5-10, 2010.
Dohse L, Elston D, Lountzis N, Ferringer T. Benign hypergranulotic keratosis with dyscornification. Poster 1503. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Wilson M, Ferringer T . Porphyria cutanea tarda as the presenting sign of hereditary hemochromatosis. Poster 2606. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Daniel S, Pride H, Ferringer T . Congenital granular cell lesion of the arm with eccrine changes. Poster 3001. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Hicks MI, Pride H, Ferringer T. Keratoacanthoma developing within a hyperpigmented patch in a patient with . Poster 3015. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Delaney A, Ferringer T. Photodermatitis with cetuximab . Poster 3105. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Delaney A, Lountzis N, Ferringer T. Progressive macular hypomelanosis. Poster 3207. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Barnyard Zoonoses . in Infectious Disease Course. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Immunohistochemistry in Dermatopathology . Forum Director and Speaker. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Advanced Self-Assessment in Dermatopathology. Forum Director and Speaker. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Comprehensive Self-Assessment in Dermatopathology. Forum Director and Speaker. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Advanced Dermatopathology. Forum Director and Speaker. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer, TC. Basic Self-Assessment in Dermatopathology. Forum Director and Speaker. American Academy of Dermatology Annual Meeting, Miami, Florida, March 5-10, 2010.
Ferringer T. Zoonoses. Presentation. American Academy of Dermatology Annual Meeting, San Francisco, CA, March 2009.
Ferringer T. Special Stains and Immunohistochemistry in Dermatopathology. Course director and speaker. American Academy of Dermatology Annual Meeting, San Francisco, CA, March 2009.
Ferringer T. Medical Management of Actinic Keratoses and Cutaneous Neoplasms. Presentatino. American Academy of Dermatology Annual Meeting, San Francisco, CA, March 2006.
Sewell LD, Thomas CJ, Ferringer T, Pride HB. Idiopathic Angiosarcoma of the Toe Previously Diagnosed as Thromboembolic Disease. Poster. American Academy of Dermatology Annual Meeting, San Francisco, CA, March 2006.
Ferringer T. Lymphoepithelioma-like Carcinoma of the Skin. Poster. American Society of Dermatology Annual Meeting, San Francisco, CA, March 2003.
Ferringer T. Infections Diseases of the Skin. Presentation. Dermatology and Pediatric Topics for PCP Geisinger CME program, Hilton Head, SC, June 2009.
Ferringer T. Cutaneous Drug Eruptions. Presentation. Dermatology and Pediatric Topics for PCP Geisinger CME program, Hilton Head, SC, June 2009.
Ferringer TC. Skin Cancer and Sun Protection. Community service presentation. Primus Technologies, Williamsport, PA, June 2008.
Ferringer TC. Managing Acne. . Dermatology and Pediatric Topics for PCPs. Geisinger CME program, Hilton Head, SC, June 2008.
Ferringer TC. Zoonoses. Dermatology and Pediatric Topics for PCPs. Geisinger CME program, Hilton Head, SC, June 2008.
Ferringer T. Managing Actinic Keratoses. Presentation. Day to Day Dermatology Geisinger CME Program, Hilton Head Island, SC, June 2006.
Ferringer T. Communicating with Your Pathologist. Presenation. Day to Day Dermatology Geisinger CME Program, Hilton Head Island, SC, June 2006.
Ferringer T. Medical Management of Actinic Keratoses and Cutaneous Neoplasms . Presentation . American Academy of Dermatology Annual Meeting, Washington, DC, February 3, 2007.
Ferringer TC. Special Stains and Immunohistochemistry in Dermatopathology. Focus session presentation. AAD Annual Meeting , San Antonio, TX, February 2008.
Ferringer TC. Basic Dermatopathology Self Assessment. Presentation. AAD Annual Meeting , San Antonio, TX, February 2008.
Ferringer TC. Zoonoses.. Presentation in Infectious Disease Course. AAD Annual Meeting , San Antonio, TX, February 2008.
Ferringer T. Actinic Keratosis: Diagnosis and Treatment. CME. Day with the Dermatologists, Danville, PA, February 2006.
Ferringer T. Great Dermpath Cases from South Carolina . Poster. AAD Meeting, Washington, DC, February 2004.
Ferringer T. Contact Dermatitis From Acrylic Nails. Presentaton. Annual Meeting of the Council for Nail Disorders, New Orleans, LA, February 2002.
Ferringer TC. Acne. Case Presentation. Day with the Dermatologists, Geisinger Medical Center, Danville, PA , February 20009.
Bauer J, Maroon M, Ferringer T. Diffuse dermal angiomatosis: Characterization of a rare and evolving proliferative vascular endothelial process. Poster. American Society of Dermatology Annual Meeting, Washington, DC, February 1-6, 2007.
Hossler EW, Maroon MS, Ferringer, TC. . Wegener’s Granulomatosis Presenting As Sepsis. Poster. AAD, San Antonio, TX, February 1-5, 2008.
Ferringer TC, Pride HC. Cutaneous Metastases in an Infant. Poster. Summer AAD Annual Meeting, New York, NY, August 2007.
Ferringer T. The Many Faces of Merkel Cell Carcinoma . Presentation. MUSC Dermatopathology Fellows Weekend , Charleston, SC, April 2004.
Ferringer T. Interpretation of Vertical versus Transverse Sections in Alopecia. Presentation. International Society of Dermatopathology Annual Meeting, New Orleans, LA, 02/2005.
Ferringer T. Management of Actinic Keratosis. Presentation. International Society of Dermatopathology Annual Meeting, New Orleans, LA, 02/2005.

Textbook Chapters
Ferringer T. Skin. In Handbook of Practical Immunohistochemistry: Frequently Asked Questions. Lin F, Prichard JW, eds. Springer, New York, 2011 521-541.
Elston DM, Ferringer T, Ko C, Peckham S, High W and DiCaudo D. Dermatopathology. In Requisites in Dermatology. Elston, DM, eds. Elsevier, London, 2009 all.
Ferringer T. Common Bacterial Infections. In Skin Infections: Diagnosis and Management. Hall JC, eds. Cambridge University Press, New York, NY, 2009 Chapter 1.
Ferringer T. Bacterial Infections. In Infectious Disease of the Skin. Elston DM, eds. Manson Publishing, Washington DC, 2009 Chapter 1.
Ferringer T. Bacterial Diseases. In Uncomplicated Skin and Skin Structure Infections. Elston DM, Scher, eds. Professional Communications, West Islip, NY, 2007 .
Lountzis N, Ferringer T. Oral Submucous Fibrosis. In Emedicine Dermatology. James WD, eds. St. Petersburg Emedicine Corporation, , 2007 .
Yousefi M, Ferringer T. Behcet Disease. In Emedicine Dermatology. James WD, eds. St. Petersburg Emedicine Corporation, , 2007 .
Yousefi M, Ferringer T. Adiposis Dolorosa. In Emedicine Dermatology. Elston DM, eds. St. Petersburg Emedicine Corporation, , 2007 .