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Related Concept Videos

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 VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

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Multicolor 3D Printing of Complex Intracranial Tumors in Neurosurgery
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Imaging of chondrosarcomas.

L Ollivier1, D Vanel, J Leclère

  • 1Department of Radiology, Institut Curie, Paris, France. liliane.ollivier@curie.net

Cancer Imaging : the Official Publication of the International Cancer Imaging Society
|January 24, 2008
PubMed
Summary

Chondrosarcoma, a common adult bone cancer, primarily affects males aged 30-70. This slow-growing tumor is characterized by cartilage lobules and can cause pain and tenderness.

Area of Science:

  • Orthopedic Oncology
  • Skeletal Tumors

Background:

  • Chondrosarcoma is the most frequent primary bone sarcoma in adults.
  • It predominantly affects males between 30 and 70 years old.

Purpose of the Study:

  • To describe the key characteristics of chondrosarcoma.
  • To highlight typical patient demographics and clinical presentations.

Main Methods:

  • Review of chondrosarcoma pathology.
  • Analysis of clinical symptoms and tumor growth patterns.

Main Results:

  • Chondrosarcomas exhibit coalescent cartilage lobules of varying sizes.
  • Tumor centers frequently undergo necrosis or cystic changes.
  • Symptoms like pain and tenderness average 1-2 years before diagnosis, with slower growth in pelvic tumors.

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Conclusions:

  • Chondrosarcoma is a distinct bone sarcoma with characteristic histological features.
  • Understanding its slow growth and presentation is crucial for diagnosis and management.