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Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Related Experiment Video

Updated: Jul 17, 2026

Stereotactic Radiosurgery for Gynecologic Cancer
10:35

Stereotactic Radiosurgery for Gynecologic Cancer

Published on: April 17, 2012

Positron emission tomography imaging for gynecologic malignancy.

Chyong-Huey Lai1, Tzu-Chen Yen, Ting-Chang Chang

  • 1Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, Taiwan. laich46@cgmh.org.tw

Current Opinion in Obstetrics & Gynecology
|January 16, 2007
PubMed
Summary

Positron emission tomography (PET) is increasingly used for gynecologic cancers. 18-fluorodeoxyglucose PET (FDG-PET) aids in staging and monitoring treatment response for cervical, ovarian, and endometrial cancers.

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Area of Science:

  • Oncology
  • Nuclear Medicine
  • Radiology

Background:

  • Positron emission tomography (PET) utilization in gynecologic oncology has grown significantly.
  • 18-fluorodeoxyglucose PET (FDG-PET) is the predominant imaging modality.

Purpose of the Study:

  • To review current literature on the utility of PET in gynecologic malignancies.
  • To assess the role of FDG-PET in various gynecologic cancers and integrated PET/CT.

Main Methods:

  • Review of publications on PET imaging in gynecologic cancers.
  • Discussion of FDG-PET applications in cervical, ovarian, endometrial, gestational trophoblastic neoplasia, vulvar, and vaginal cancers.
  • Exploration of integrated PET/CT methodology and prospects.

Main Results:

  • FDG-PET is valuable for advanced cervical cancer staging and recurrent disease management.
  • Sequential FDG-PET predicts response to neoadjuvant chemotherapy in ovarian cancer.
  • FDG-PET shows potential in endometrial cancer surveillance and gestational trophoblastic neoplasia monitoring.

Conclusions:

  • PET/CT has evolved from a diagnostic tool to an indicator of treatment response and prognosis.
  • Clinical impact evaluation of PET is a key endpoint for future research.
  • Further studies are needed for vulvar and vaginal cancers.