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Related Experiment Video

Updated: Mar 19, 2026

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PET-Based Percutaneous Needle Biopsy.

Ghassan El-Haddad1

  • 1Division of Interventional Radiology, Department of Radiology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612-9416, USA.

PET Clinics
|June 21, 2016
PubMed
Summary
This summary is machine-generated.

Positron Emission Tomography (PET) enhances percutaneous needle biopsy by guiding it to the most metabolically active lesions, improving diagnostic accuracy. This technique is crucial for sampling lesions not visible on conventional imaging or those appearing morphologically normal.

Keywords:
FDGFusionImage guidanceNavigationPET/CTPercutaneous biopsyTissue sampling

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Area of Science:

  • Nuclear Medicine
  • Radiology
  • Oncology

Background:

  • Percutaneous needle biopsy is essential for cancer diagnosis.
  • Diagnostic yield can be limited by lesion visibility on conventional imaging.
  • Identifying metabolically active regions is key for accurate tissue sampling.

Purpose of the Study:

  • To evaluate the utility of Positron Emission Tomography (PET) in guiding percutaneous needle biopsies.
  • To highlight how PET-guided biopsies improve diagnostic yield, especially for challenging lesions.

Main Methods:

  • Biopsy guidance using visual or software coregistration.
  • Techniques including electromagnetic needle tracking and cone-beam computed tomography (CT).
  • Intraprocedural PET/CT for real-time guidance.

Main Results:

  • PET guidance directs biopsies to the most metabolically active lesions.
  • Enables sampling of lesions not clearly visible on anatomic imaging.
  • Facilitates identification of diagnostically and prognostically significant areas within complex tumors.

Conclusions:

  • PET-guided percutaneous needle biopsy significantly improves diagnostic yield.
  • This method is valuable for sampling inconspicuous or morphologically normal lesions.
  • PET identifies optimal biopsy targets within tumors for crucial diagnostic information.