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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...
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...
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...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...

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Automated Joint Space Detection Improves Bone Segmentation Accuracy
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[Imaging modalities in psoriatic arthritis].

K-G A Hermann1, S Ohrndorf, S G Werner

  • 1Institut für Radiologie, Charité - Universitätsmedizin Berlin, Universitätsklinikum Charité - Campus Mitte, Charitéplatz 1, 10117, Berlin, Deutschland, kghermann@gmail.com.

Zeitschrift Fur Rheumatologie
|October 3, 2013
PubMed
Summary

Imaging techniques are crucial for diagnosing psoriatic arthritis (PsA). While conventional radiography detects late-stage changes, newer methods like ultrasound and MRI offer earlier detection of inflammation and bone involvement in PsA patients.

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Area of Science:

  • Rheumatology
  • Radiology
  • Medical Imaging

Context:

  • Psoriatic arthritis (PsA) diagnosis relies on various imaging modalities.
  • Early detection of PsA is challenging with conventional methods.

Purpose:

  • To review the spectrum of imaging techniques for diagnosing psoriatic arthritis.
  • To highlight the utility of different modalities in various stages of PsA.

Summary:

  • Conventional radiography detects late structural changes and periosteal proliferation in PsA.
  • Arthrosonography (ultrasound) is vital for early peripheral joint inflammation detection (synovitis, tenosynovitis, erosions).
  • Magnetic resonance imaging (MRI) is essential for axial skeleton involvement, periostitis, and arthritis visualization.
  • Novel techniques like high-resolution microcomputed tomography and fluorescence optical imaging (FOI) show promise for detecting subtle bone lesions and hand inflammation in PsA.

Impact:

  • This review provides a comprehensive overview of current and emerging imaging tools for PsA.
  • It emphasizes the importance of selecting appropriate imaging modalities for timely and accurate PsA diagnosis and management.