Affiliated Dermatology
The most surgically advanced dermatology group in Arizona.

Dermatopathology Lab

Dermatopathology Lab


At Affiliated Laboratories®, we understand the clinical impact of a microscopic diagnosis. Since opening its doors in 2006, Affiliated Laboratories has processed over a quarter million skin biopsies. We offer diagnostic expertise and unparalleled service in the evaluation of dermatologic disorders ranging from routine to the most difficult cases. Accredited by the College of American Pathologists, our carefully designed system is focused on serving the dermatopathology needs of all providers who perform skin biopsies.

Affiliated Laboratories® was recently ranked 8th in the country (source: Laboratory Economics), for private dermatopathology laboratories. Affiliated Laboratories is a lab designed by a surgeon for surgeons! See the Affiliated Laboratories' difference, as one of a few private CAP accredited dermatopathology labs in the nation. We have five fellowship-trained dermatopathologists, experts in skin disease, specializing in skin cancer, in particular melanoma. We have a 24-hour turnaround time and will express diagnoses however, the clinician prefers.

Biospecimen Repository

Our dermatopathologists work with clinicians through difficult diagnoses to render the most accurate treatment plans for their patients. We are committed to quality patient care, personalized service and efficient turnaround time.


  • Diagnostic services encompassing all dermatologic related disorders

  • Peer to peer consultative discussions for any cases of concern

  • Report delivery within 24-48 hours on routine cases

  • Comprehensive in-house test menu to assist in rendering a definitive diagnosis including special stains and immunohistochemistry

  • Courier network for specimen pickup, as well as air-courier service for overnight delivery of specimens

  • Slide preparation for clinicians that either read their own slides or have hired a pathologist

  • Professional interpretation for practices that produce their own slides

Meet Our Dermatopathologists

Sarah I. Estrada, M.D.

Laboratory Director and Dermatopathologist

Sarah Estrada, M.D

Sarah Estrada, M.D

Dr. Estrada received her undergraduate degree from the University of California, Santa Cruz, and her medical degree from Tulane University School of Medicine where she graduated as a member of Alpha Omega Alpha Honor Medical Society. She completed an Anatomic and Clinical Pathology Residency and served as Chief Resident at St. Joseph’s Hospital and Medical Center in Phoenix, Arizona. She completed a Dermatopathology Fellowship at the Medical University of South Carolina in Charleston. Dr. Estrada is board certified in Dermatopathology, Anatomic Pathology and Clinical Pathology. She is a Clinical Assistant Professor with the Department of Pathology at the University of Arizona College of Medicine - Phoenix and a Clinical Assistant Professor in the Division of Clinical Education at Midwestern University.  She also acts as a consultant pathologist for companies involved with pharmaceutical clinical trials as well as melanoma gene expression profiling. Her professional memberships include the American Medical Association, the American Society of Dermatopathology, the International Society of Dermatopathology, the College of American Pathologists and Alpha Omega Alpha Medical Honor Society.

Najiyah Kazi, M.D. 


Najiyah Kazi, M.D.

Najiyah Kazi, M.D.

Dr. Kazi received her undergraduate degree from Hendrix College and her medical degree from the University of Arkansas for Medical Sciences, where she graduated with honors. She completed an Anatomic Pathology Residency at Columbia University Medical Center in New York City. She subsequently completed a Dermatopathology Fellowship at the Johns Hopkins Hospital in Baltimore. Dr. Kazi is board certified in Dermatopathology and Anatomic Pathology. Her professional memberships include the American Medical Association, the American Society of Dermatopathology, the International Society of Dermatopathology, the American Academy of Dermatology, the College of American Pathologists and Phi Beta Kappa.

Watch our video and see the Affiliated Laboratories advantage.

Let's Chat.

Please feel free to call us or use the contact form below to leave us a message and one of our patient care representatives will promptly get back to you.

Phone: 480.563.7507  | Fax: 480.563.7508 | Address: 20401 N. 73RD STREET, SUITE 225SCOTTSDALE, AZ 85255

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