What's New

September 22, 2021

HNL Career Fair

Interested in a career at HNL Lab Medicine?

Join us at our next Career Fair, Wednesday, September 29, 2021 at 1 pm – 5:30 pm.

Located at 794 Roble Rd, Allentown, PA 18109-9110 (PARKING LOT)
On-the-spot interviews will be conducted

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September 08, 2021

Martin K. Till, New President and CEO of HNL Lab Medicine, Starts with Strategic Plan to Accelerate Growth


HNL Lab Medicine, a regional leader in high quality, innovative laboratory medicine services, announces the official start of Martin K. Till as president and CEO, transitioning from Matthew R. Sorrentino, Esq., who will retire Oct. 15 and continue in a consulting capacity for the next year.

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July 16, 2021

HNL Lab Medicine Announces a New Patient Service Center in Hazleton, Pa.

HNL Lab Medicine, a regional leader in high quality, innovative laboratory medicine services, announces the opening of a patient center at 550 West Broad Street, Hazleton, Luzerne County. Patients can access this facility Monday to Friday from 7 a.m. to 5 p.m. and Saturdays 8 a.m. to noon. https://www.hnl.com/Hazleton 

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July 07, 2021

HNL Lab Medicine Announces New Patient Service Center Location in Gateway Plaza, Chambersburg, Pa.

HNL Lab Medicine, a regional leader in high quality, innovative laboratory medicine services, is moving its Chambersburg patient center to the new Gateway Plaza, 497 Gateway Avenue. Patients can access this facility weekdays from 6 a.m. to 3:30 p.m. and Saturdays 7 a.m. to 11 a.m.
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June 29, 2021

HNL Lab Medicine's Unseen Heroes

Presenting HNL Lab Medicine’s

Unseen Heroes Video — WATCH VIDEO

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Dennis B. Cornfield, MD

Education Coordinator, Department of Pathology and Laboratory Medicine Hematopathologist
Dr. Cornfield received his MD from the University of Pennsylvania School of Medicine, Philadelphia, Pa, and completed a residency in Internal Medicine followed by fellowships in Medical Oncology and Hematology. After 19 years in Hematology and Medical Oncology practice he undertook a pathology residency at Thomas Jefferson University Hospital, Philadelphia, Pa., and a Hematopathology Fellowship at the University of Florida. Dr. Cornfield is board certified in Internal Medicine, Hematology and Medical Oncology, and is additionally certified by the American Board of Pathology in Anatomic and Clinical Pathology and Hematopathology. He has numerous publications in the field of Hematopathology. Dr. Dennis Cornfield is a Clinical Associate Professor at University of South Florida (USF), Morsani College of Medicine.


Immunoblastic follicular lymphoma: a very unusual transformation of low-grade follicular lymphoma.
Authors: Gheith S; Hematopathology Section, Department of Pathology, Health Network Laboratories/Lehigh Valley Health Network, Allentown, PA, 18103. Electronic address: Shereen_M.Gheith@lvhn.org. Cornfield D; Hematopathology Section, Department of Pathology, Health Network Laboratories/Lehigh Valley Health Network, Allentown, PA, 18103. Chen W; Molecular Diagnostics Section, Cancer Genetics, Rutherford, NJ, 07070. Singh-Kahlon P; Cytogenetics Section, Cancer Genetics, Rutherford, NJ, 07070. Ahmed B; Hematology/Medical Oncology Section, Department of Medicine, Lehigh Valley Health Network, Allentown, PA, 18103. Source: Human Pathology [Hum Pathol] 2014 Nov; Vol. 45 (11), pp. 2359-63. Date of Electronic Publication: 2014 Aug 13.

Erythroblastic sarcoma, an extremely rare variant of myeloid sarcoma.
Cornfield DB. Hum Pathol. 2012 Nov;43(11):2080-3. doi: 10.1016/j.humpath.2012.03.026. Epub 2012 Jul 15. PMID: 22795354

Philadelphia chromosome-negative myeloproliferative neoplasm with a novel platelet-derived growth factor receptor-β rearrangement responsive to imatinib.
Cornfield D, Shah U, Cross N, Bennett C, Sun G. J Clin Oncol. 2012 Mar 20;30(9):e109-11. doi: 10.1200/JCO.2011.39.0377. Epub 2012 Feb 13. No abstract available. PMID: 22331939

Prognostic markers and long-term outcomes in ductal carcinoma in situ of the breast treated with excision alone. Holmes P, Lloyd J, Chervoneva I, Cornfield DB, Pequinot E,Schwartz GF, Allen KG, Palazzo JP.
Cancer. 2011 Aug 15;117(16):3650-7. doi: 10.1002/cncr.25942. Epub 2011 Feb 11. PMID: 21319154
 Free Article

Flow cytometric quantitation of natural killer cells and T lymphocytes expressing T-cell receptors alpha/beta and gamma/delta is not helpful in distinguishing benign from malignant body cavity effusions.
Cornfield DB, Gheith SM. Cytometry B Clin Cytom. 2009 May;76(3):213-7. doi: 10.1002/cyto.b.20455. PMID: 18803280 Free Article

Small lymphocytic lymphoma/chronic lymphocytic leukemia in a pelvic myelolipoma.
Gheith S, Boulay R., Cornfield D Int J Clin Exp Pathol. 2009;2(1):95-8. Epub 2008 Jan 31. PMID: 18830383 [PubMed] Free PMC Article

Molecular grading of ductal carcinoma in situ of the breast.
Balleine RL, Webster LR, Davis S, Salisbury EL, Palazzo JP, Schwartz GF, Cornfield DB, Walker RL, Byth K, Clarke CL, Meltzer PS. Clin Cancer Res. 2008 Dec 15;14(24):8244-52. doi: 10.1158/1078-0432.CCR-08-0939. PMID: 19088042 Free Article

The 8p11 myeloproliferative syndrome: review of literature and an illustrative case report.
Goradia A, Bayerl M., Cornfield D Int J Clin Exp Pathol. 2008 Jan 1;1(5):448-56. PMID: 18787627 [PubMed] Free PMC Article

2006 Bethesda International Consensus recommendations on the flow cytometric immunophenotypic analysis of hematolymphoid neoplasia: medical indications.
Davis BH, Holden JT, Bene MC, Borowitz MJ, Braylan RC, Cornfield D, Gorczyca W, Lee R, Maiese R, Orfao A, Wells D, Wood BL, Stetler-Stevenson M. Cytometry B Clin Cytom. 2007;72 Suppl 1:S5-13. PMID: 17803188 Free Article

Large natural killer cell lymphoma arising from an indolent natural killer cell large granular lymphocyte proliferation.
Roullet MR., Cornfield DB Arch Pathol Lab Med. 2006 Nov;130(11):1712-4. PMID: 17076536

The prognostic significance of multiple morphologic features and biologic markers in ductal carcinoma in situ of the breast: a study of a large cohort of patients treated with surgery alone.
Cornfield DB, Palazzo JP, Schwartz GF, Goonewardene SA, Kovatich AJ, Chervoneva I, Hyslop T, Schwarting R. Cancer. 2004 Jun 1;100(11):2317-27. PMID: 15160334 Free Article

The potential role of flow cytometry in the diagnosis of small cell carcinoma.
Cornfield D, Liu Z, Gorczyca W, Weisberger J. Arch Pathol Lab Med. 2003 Apr;127(4):461-4. PMID: 12683875

Translocation (X;20)(q13.1;q13.3) as a primary chromosomal finding in two patients with myelocytic disorders.
Gray BA, Cornfield D, Bent-Williams A, Zori RT. Cancer Genet Cytogenet. 2003 Mar;141(2):169-74. PMID: 12606138

Unusually indolent T-cell prolymphocytic leukemia associated with a complex karyotype: is this T-cell chronic lymphocytic leukemia? 
Soma L, Cornfield DB, Prager D, Nowell P, Bagg A. Am J Hematol. 2002 Nov;71(3):224-6. PMID: 12410582

Natural killer-like T-cell lymphoma of the parotid in a patient infected with human immunodeficiency virus.
Cornfield DB, Papiez JS, Lynch JT, Rimsza LM. Arch Pathol Lab Med. 2002 Jun;126(6):738-41. PMID: 12033970

The diagnosis of hairy cell leukemia can be established by flow cytometric analysis of peripheral blood, even in patients with low levels of circulating malignant cells.
Cornfield DB, Mitchell Nelson DM, Rimsza LM, Moller-Patti D, Braylan RC. Am J Hematol. 2001 Aug;67(4):223-6. PMID: 11443633

Follicular lymphoma can be distinguished from benign follicular hyperplasia by flow cytometry using simultaneous staining of cytoplasmic bcl-2 and cell surface CD20.
Cornfield DB, Mitchell DM, Almasri NM, Anderson JB, Ahrens KP, Dooley EO, Braylan RC. Am J Clin Pathol. 2000 Aug;114(2):258-63. PMID: 10941341 Free Article

Mycobacterial growth and bacterial contamination in the mycobacteria growth indicator tube and BACTEC 460 culture systems.
Cornfield DB, Beavis KG, Greene JA, Bojak M, Bondi J. J Clin Microbiol. 1997 Aug;35(8):2068-71. PMID: 9230383 Free PMC Article

Evidence for posttranslational control of Hb C synthesis in an individual with Hb C trait and alpha-thalassemia.
Liebhaber SA, Cash FE, Cornfield DB. Blood. 1988 Feb;71(2):502-4. PMID: 3337909 Free Article

Intracranial myeloid metaplasia: diagnosis by CT and Fe52 scans and treatment by cranial irradiation.
Cornfield DB, Shipkin P, Alavi A, Becker J, Peyster R. Am J Hematol. 1983 Nov;15(3):273-8. PMID: 6638012

Diethylstilbestrol-diphosphate-induced disseminated intravascular coagulation in prostatic carcinoma.
Cornfield DB, Rossman RE. South Med J. 1982 Feb;75(2):248-9. No abstract available. PMID: 7058376

T and B lymphocytes in pregnant women.
Cornfield DB, Jencks J, Binder RA, Rath CE. Obstet Gynecol. 1979 Feb;53(2):203-6. PMID: 310989

Association of breast cancer with myeloproliferative disorders.
Cornfield DB, Binder RA, Rath CE. South Med J. 1977 Jul;70(7):780-3. PMID: 195348

Burkett lymphoma in a patient with neurofibromatosis and pheochromocytoma. 
Berman BW, Binder RA., Cornfield DB. JAMA. 1977 Mar 7;237(10):993-4. No abstract available. PMID: 401901

Lipoate effect on carbohydrate and lipid metabolism and gastric H+ secretion.
Harris JB, Alonso D, Park OH, Cornfield D, Chacin J. Am J Physiol. 1975 Mar;228(3):964-71. PMID: 1090192