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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...
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...
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.
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Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Related Experiment Video

Updated: May 28, 2026

Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography
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Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography

Published on: November 8, 2024

[Estimated mammogram coverage in Goiás State, Brazil].

Rosangela da Silveira Corrêa1, Ruffo Freitas-Júnior, João Emílio Peixoto

  • 1Centro Regional de Ciências Nucleares do Centro-Oeste, Comissão Nacional de Energia Nuclear, Abadia de Goiás, Brasil. rcorrea@cnen.gov.br

Cadernos De Saude Publica
|October 12, 2011
PubMed
Summary

Mammogram coverage in Goiás, Brazil, is insufficient, with only 61-66% of women screened. The Brazilian Unified National Health System provides limited screening, highlighting a need for more mammograms to meet public health goals.

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Clinical Imaging of Microwave Mammography
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Clinical Imaging of Microwave Mammography

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Clinical Imaging of Microwave Mammography
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Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Area of Science:

  • Public Health
  • Radiology
  • Health Services Research

Context:

  • Breast cancer screening is crucial for early detection and improved outcomes.
  • Mammography is the primary imaging modality for breast cancer screening.
  • Understanding mammogram coverage is essential for effective public health interventions.

Purpose:

  • To estimate mammogram coverage in the State of Goiás, Brazil.
  • To analyze mammogram supply, demand, and variations across age groups and service types.
  • To determine the number of mammograms needed to achieve 70% and 100% coverage.

Summary:

  • This cross-sectional study evaluated 98 mammography services in Goiás, Brazil.
  • Full coverage estimates were 61% (ages 40-69) and 66% (ages 50-69), with the public system contributing only 13-14%.
  • Significant disparities in mammogram rates were associated with geographical distribution, service type, and age group, with 43,424 additional mammograms required for 70% coverage.

Impact:

  • Mammogram coverage in Goiás is unevenly distributed and falls short of recommended targets.
  • Findings highlight critical gaps in breast cancer screening access within the Brazilian public health system.
  • The study underscores the need for increased mammography services to meet population health demands and reduce disparities.