Sara E. Monaco, MD

System Director, Cytopathology
Program Director, Geisinger Cytopathology Fellowship Program


The Geisinger Medical Laboratories (GML) Cytopathology laboratory provides:

  • Expert review and consultation with clinicians
    Fine needle aspirates, small biopsies, body cavity fluids, urine, Pap tests, cerebrospinal fluid, and any other cytological specimen.  Direct contact with submitting physicians.
  • Highly skilled and experienced staff
    We have experienced cytotechnologists and cytopathologists providing cytopathology services throughout our large medical system, with a commitment to patient care.
  • State-of-the-art liquid based cytology cervical screening preparation
    Computer-assisted review and HPV-DNA testing.

  • Rapid on-site evaluation (ROSE) services
    On-site cytology personnel with telecytology capabilities for evaluation of FNAs and small biopsies.
  • Fine Needle Aspiration (FNA) Biopsy Clinic & Service
    Our staff can perform FNAs in our outpatient FNA clinics or at the bedside for inpatients.
  • Advanced ancillary techniques available
    Including flow cytometry, immunocytochemistry, and fluorescent in situ hybridization (FISH) which aid in establishing specific diagnoses.  In addition, informatics tools and innovation are used to deliver ROSE services via telecytology.

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    Rapid on-site evaluation (ROSE) services provided by our expert cytopathologists remotely, with skilled cytotechnologists and fellows on-site for triage and slide preparation.

  • Consultation Service available
    We are available for outside consultations through the GML website.  Here's how to submit a specimen
  • Quality Assurance
    We also provide cytohistologic correlations and maintain an extensive quality assurance program.

Other information about the GML Cytopathology Laboratory:

  • The cytopathology laboratories of the Geisinger Medical Laboratories process more than 35,000 cytology cases per year, of which approximately 8,000 are non-gynecologic cases. 
  • The laboratory excels in the technique of fine needle aspiration biopsy and in the evaluation of radiographic or sonographic guided biopsies, with rapid on-site evaluation (ROSE) services by trained cytotechnologists and cytopathologists. 
  • The laboratory is fully automated and incorporates computer-assisted primary screening using the FocalPoint computer. This significantly improves the ability to detect premalignant epithelial lesions.
  • The laboratory routinely processes SurePath and ThinPrep liquid based cervical specimens. These liquid based technologies help to reduce the false negative rate of cervical cytologic screening.
  • The laboratory offers expertise in the interpretation of specimens from multiple collection systems in order to provide flexibility and choice for our many outreach clients. Ancillary testing for high-risk HPV-DNA is offered on both liquid-based platforms.
Geisinger also offers a cytopathology fellowship program, emphasizing the skills and technology available at GML.

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Pancreatic adenocarcinoma on an EUS-guided biopsy of a pancreatic head mass.

Haiyan Liu, MD, Geisinger Medical Laboratories Cytopathology Service
Haiyan Liu, MD

Dr. Cletus Baidoo
Cletus Baidoo,MD

Dr. Pramick
Michelle Pramick, MD
Dr. Hongbing Deng
Honbing Deng, MD, PhD
Hong Ying, MD
Hong Yin, MD
Dr. Renee Frank
Renee Frank, MD
Shaobo Zhu, MD
Shaobo Zhu, MD

Fan Lin, MD, PhD, Geisinger Medical Laboratories Cytopathology Services
Fan Lin, MD. PhD

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