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Michael Nowak, MD
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Dr. Nowak earned a Bachelor of Science degree from Xavier University, followed by a Medical Degree from Wright State University. After completion of an internship in internal medicine, he served as chief resident and cancer fellow at Western Reserve Care System where he completed a residency in anatomic and clinical pathology. Dr. Nowak finished his training in Providence, Rhode Island at Brown University where he completed fellowship training in dermatology and dermatopathology.

After his training, Dr. Nowak joined Palm Beach Dermatology in 1999. He organized the development and staffing of Palm Beach Dermatology’s CLIA-certified diagnostic dermatopathology laboratory, where he serves as medical director. The laboratory is equipped with the latest technology and staffed with five ASCP-certified and state-licensed technologists who specialize in dermatology samples.

Dr. Nowak is board-certified in anatomic and clinical pathology and dermatopathology. He has authored over 15 articles in major medical journals on a variety of subjects including malignant melanoma, extramammary Paget’s disease, generalized pruritis, and infectious diseases of the skin.

Dr. Nowak is a member of the American Society of Dermatology, College of American Pathologists and the American Society of Dermatopathology. He is also a member of the medical staff at Columbia Hospital in West Palm Beach, where he conducts weekly teaching sessions with dermatology residents and has been awarded “Dermatology Attending of the Year” by his peers at the hospital. He is also a reviewer for the journal titled The Physician and Sports Medicine, and is on the editorial board for the journal Postgraduate Medicine.

Resident lectures and review of journal articles ensures that Dr. Nowak stays current with the latest advances in the science of dermatopathology. Dr. Nowak’s practice is dedicated to the evaluation and diagnosis of skin pathology samples.


Brown Stains


  1. Increase clinician’s awareness of subtle findings in common lesions
  2. Recognize and identify certain patterns that can assist in formulating a diagnosis
  3. Improve ability to combine histological and clinical information to render a diagnosis


  1. New methods of diagnosis or treatment
  2. Development of new technology
  3. Advances in medical knowledge


  1. Nowak MA, Guerriere-Kavach PM, Pathan A, Campbell TE, Deppisch LM. “Perianal Paget’s Disease: Distinguishing primary and secondary lesions using immunohistochemical studies including gross cystic disease fluid protein-15 (GCDFP-15) and cytokeratin 20 (CK-20).” Arch Pathol Lab Med, 1998;122:1077-1081.
  2. Grelck KW, Nowak MA, Doval M. “Signet ring cell perianal Paget’s disease: Loss of MUC2 expression and loss of signet ring morphology associated with invasive disease.” American Journal of Dermatopathology, 2011;33(6):616-2.
  3. Wiesner T, Murrali R, Fried I, Cerroni L, Busam K, Kutner H, Bastian BC. “A distinct subset of atypical Spitz tumors in characterized by BRAF mutation and loss of BAP1 expression.” Am J Surg Pathol. 2012 Jun;36(6):818-30.
  4. Hanschke M, Bastian BC, Leboit PE. “Consumption of the epidermis: a diagnostic criterion for the differential diagnosis of melanoma and Spitz nevus.” Am J Surg Pathol. 2004 Dec;28(12):853-859.
  5. Prieto VG, Shae CR. “Immunohistochemistry of melanocytic proliferations.” Arch Pathol Lab Med. 2011;135:853-859.
  6. Buonaccaori JN, Prieto VG, Torres-Cabala C, Suster S, Plaza JA. “Diagnostic utility and comparative immunohistochemical analysis of MITF-1 and SOX10 to distinguish melanoma in situ and actinic dermatosis: a clinicopathological and immunohistochemical study of 70 cases.” Am J Dermatopathol. 2014 Feb;36(2):124-30.
  7. Lescano C, Jungbluth AA, Nehal KS, Hollmann TJ, Busam KJ. “PRAME expression in melanocytic tumors.” Am J Surg Pathol. 2018 Nov;42(11):1456-1465.

Core Competencies: 1, 2, 3, 4, 5, 6, 7

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