Expert Pathologists

Academic Appointments

1994–1999 Assistant Professor of Dermatology, Boston University School of Medicine

1993–1994 Clinical Instructor of Dermatology, Boston University School of Medicine

Postdoctoral Training

1995–1997 Fellow, Dermatopathology, Boston University School of Medicine

1989–1992 Resident, Dermatology, Boston University/Tufts Integrated Residency Program

1982–1983 Resident, Internal Medicine, University of Massachusetts

1981–1982 Resident, Internal Medicine, University of Michigan

1980–1981 Internship, Internal Medicine, University of Michigan


1980 MD, Columbia University Vagelos College of Physicians and Surgeons

1976 B.A. Natural Sciences, Phi Beta Kappa, Johns Hopkins University      


2011 Re-Certified, American Board of Dermatology

1995 Diplomate, American Board of Pathology and Dermatology, Special Qualification in Dermatopathology

1992 Diplomate, American Board of Dermatology

1986 Diplomate, American Board of Internal Medicine

Professional Societies

American Academy of Dermatology 

American Society of Dermatopathology 

Massachusetts Academy of Dermatology 

Massachusetts Medical Society

New England Dermatologic Society

Select Publications

Gutin P, Hilton J, Fein V, Allan A, Walker M. DNA damage in the intercerebral rat gliosarcoma treated with 1-(2-Chloroethyl)-3-Cylohexyl-l-nitrosurea. Cancer Research 1977; 37:3761-3765.

Gutin P, Hilton J, Fein V, Allan A, Rottman A, Walker M. S1, Nuclease from aspergillus oryzae for the detection of DNA damage and repair. Radiation Research 1977; 72:100-106.

Pandolf K, Allan A, Gonzalez R, Sawka M, Stroschein L, Young A. Chemical warfare protective clothing: Identification of performance limitations and their possible solutions. Trends in Ergonomics/Human Factors IV. SS Asfour (ed.) North Holland 1987.

Stephenson L, Kolka M, Allan A, Santee W. Heat exchange during encapsulation in a chemical warfare agent protective patient wrap in four hot environments. Aviation Space Environment Medicine 1988; 59:345-351.

Kolka M, Stephenson L, Allan A, Rock P. Atropine-induced cutaneous vasodilation decreases esophageal temperature during exercise. Am J Physiol 1989; 257:R1089-R1095.

Speckman K, Allan A, Sawka M, Young A, Muza S, Pandolf K. Perspectives in microclimate cooling involving protective clothing in hot environments, technical report. Intl J Industrial Ergonomics 1988; 3:121-147.

Weinstein GD, Nigra TP, Pochi PE, Savin RC, Allan A, Benik K, Jeffes E, Lufrano L, Thorne EG. Topical tretinoin for the treatment to photodamaged skin: A multicenter study. Archives of Dermatology 1991; 127:659-665.

Allan A, Tsou H, Harrington A, Stasko T, Grande D, Peacocke M. Clonal origin of dermatofibrosarcoma protuberans. Journal of Investigative Dermatology 1993; 100:99-102.

Allan A, Archambult M, Messena E, Gilchrest, BA. Topically applied diacylglycerols increase pigmentation in guinea pigskin. Journal of Investigative Dermatology 1995; 105:687-692.

Gilchrest BA, Allan A. Diacylglycerol-induced tanning – response to the editor. Journal of Investigative Dermatology 1997; 108:120-122.

Rohrer TE, Allan A. Angiolymphoid hyperplasia with eosinophilia successfully treated with a long-pulsed tunable day laser. Dermatologic Surgery 2000; 26(3)211-214.

Allan A, Shoji T, Li N, Burlage A, Davis B, Bhawan J. Two cases of Kaposi’s sarcoma mimicking Stewart-Treves syndrome found to be human herpes virus-8 positive. Am J Dermpath, 2001; 23(5)431-436.

Kroumpouzos G, Travers R, Allan A. Generalized hyperpigmentation with daunorubicin chemotherapy.  J Am Acad Dermatol 2002; 46:S1-3.

Mendese G, Wisco O, Allan A, Quinn T, Grande DG. Concomitant Merkel cell carcinoma and basal cell carcinoma. Dermatol Surg 2012; 38(10)1753-5.

Case Reviews

Iacocca MV, Abernethy J, Stefanato C, Allan A, Bhawan J. Mixed Merkel cell carcinoma and squamous cell carcinoma of the skin. A report of four cases. J Am Acad Dermatol 1998; 39:882-887.

Allan A, Andersen W, Rosenbaum M, Bhawan J. Histologic features of lichen sclerosus et atrophicus in a surgical scar. Am J Dermatopath 1999; 21(4):387-391.

Allan A, Fenner J. Subcutaneous nodules on the head and neck heralding giant cell arteritis: A second case report. In progress, 2022.

Allan A, Alavian, C, Cosgrove R. Buruli-like ulceration caused by M.marinum. In progress, 2022.


#442 Topically applied diacylglycerols increase pigmentation in guinea pig skin, presented, Society of Investigative Dermatology, Washington, D.C., April 1994.

#74 Atypical necrobiotic xanthogranuloma: a case report, presented as a poster, American Society of Dermatopathology, March 1997.

#114 Features of lichen sclerosus et atrophicus in a surgical scar, presented as a poster, American Society of Dermatopathology, March 1997.

Kaposi’s sarcoma arising in chronic post-mastectomy lymphedematous arms is found to be HHV8 positive 
by polymerasechain reaction. American Society of Dermatopathology, oral presentation, March 1998.

#7 A unique mucin-producing adnexal carcinoma of the eyelid, presented as a poster, American Society of Dermatopathology, October 2000.

Atypical scalp nevi in young individuals have melanocytes with a characteristic cytomorphology: An analysis of 117 cases. J Cut Pathol 2001; 10, 585.

Pseudoxanthoma elasticum-like changes in calciphylaxis: A second case report, presented as a poster, American Society of Dermatopathology, Sept. 2002.

Cutaneous larva migrans, presented as a poster, American Society of Dermatopathology, Oct. 2004.

Allan, A. PIlar arrector muscle involvement in leprosy: An underappreciated finding, presented as a poster, American Society of Dermatopathology, 2016.

Book Chapters

Papulosquamous Disorders. Chapter 143, Principles and Practice of Hospital Medicine, eds SC McKean et al, McGraw Hill, 2012.

Noninfectious Vesiculobullous and Vesicopustular Diseases. Chapter 9, Lever’s Histopathology of the Skin, ed David E. Elder, Lippincott Williams & Wilkins, 2015.