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Biopsies in NYC for Skin Growth & Rash Diagnoses

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Biopsies in NYC for Skin Growth & Rash Diagnoses

Clarify your diagnosis

  • Last Updated: September 3, 2026
  • By Julia Tzu, MD FAAD

Biopsies

When the diagnosis of a skin growth or rash is uncertain, a biopsy procedure is often recommended to clarify the diagnosis. The biopsy procedure is performed under local anesthesia and involves the removal of a piece of the involved skin tissue to send off to a laboratory for analysis. Specialist physicians called dermatopathologists then analyze the prepared tissue under the microscope and provide a diagnosis, which is issued in the form of a biopsy report.

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Julia Tzu, MD, FAAD, FACMS — Financial District, New York

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