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Sarah Calkins, M.D.

Prior to joining Peninsula Pathologists, Sarah was an Associate Professor of Pathology at the University of California San Francisco. As part of the Cytopathology division, she staffed the pathologist-performed Fine Needle Aspiration Biopsy Clinic, where she used her expertise to perform palpation and ultrasound-guided FNAs with a focus on maximizing the diagnostic potential of small samples. She also has a subspecialty focus in head and neck pathology with interests in salivary gland tumors and HPV-related diseases. One of her many roles as an educator included serving Anatomic and Clinical Pathology Residency Program Director from 2017 until joining PPMG in 2023.  She looks forward to bringing her clinical and leadership skills to this exciting pathology practice.

Sarah earned her MD from the University of Toledo where she also participated in the Post-Sophomore Pathology Fellowship Program and received the American Society for Clinical Pathology Award for Excellence and Achievement. She then completed Anatomic and Clinical Pathology Residency, Surgical Pathology Fellowship, and Cytopathology Fellowship at UCSF. While training, she was awarded the Anatomic Pathology Fellow Teaching Award.

Sarah lives in San Francisco.  She enjoys hiking, live music, wine country, trying new restaurants, park days, and anything with her two dogs.

Medical Degree:

University of Toledo College of Medicine

Residency:

Anatomic and Clinical Pathology – University of California San Francisco

Fellowship:

Surgical Pathology – University of California San Francisco

Board Certification:

Anatomic and Clinical Pathology, Cytopathology

Special Interests:

Cytopathology, Small Biopsies, Head and Neck Pathology, Thyroid Pathology, Small Samples for Advanced Molecular Testing

Reach out to us.

Phone:

Customer Service:
650-616-2951

Email:

General Information: info@peninsulapathologists.com

Location:

383 East Grand Avenue, Suite A
South San Francisco, CA 94080

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Clinical diagnostic expertise

  • Clinical Pathology
  • General Surgical Pathology
  • Breast Pathology
  • Gastrointestinal and Liver Pathology
  • Gynecological Pathology
  • Hematopathology
  • Dermatopathology
  • Cytopathology

Diagnostic consultations and project-based custom reporting

  • Tumor circling
  • H-Score
  • Intensity base score
  • Cut Off

Medical directorships and consultations

Peninsula Pathologists offer a diverse range of medical directorships and consultation services for healthcare facilities and medical practices.

Experimental design consultation

Peninsula Pathologists offer a range of experimental design consultation services for healthcare facilities and medical practices.

Histology Services

  • Gross specimen examination
  • Processing
  • Embedding
    • Formalin-fixed and frozen tissue samples
  • Microtomy
    • Formalin- fixed and frozen tissue samples
  • Hematoxylin & Eosin (H&E) staining
    • Formalin- fixed and frozen tissue samples
  • Histochemical staining

Immunohistochemistry

  • Routine IHC (human & animal)
  • Routine In Situ Hybridization (ISH) (human & animal)
  • Method development
  • IHC antibody optimization and validation
  • Multiplex chromogenic staining

Platforms  we utilize:

Leica Bond
Ventana Benchmark ULTRA
Dako Link 48

Flow Cytometry

  • BD FACS Canto II 8-color