Items tagged “case3”
238 results found
Article
Signet ring sign (renal papillary necrosis)
The signet ring sign has been described as one of the possible appearances of the papillary excavation seen in renal papillary necrosis on intravenous urography or retrograde urography 1. The contrast fills a circumferential necrotic cavity around the tip of the necrotic papilla.
See also
sign...
Article
Basilar transverse fissure
The basilar transverse fissure, also known as Saucer's fissure, is a potential channel through the clivus in the basilar part of the occipital bone. It is considered a normal anatomical variant and should not be confused with clival clefts that can be seen with certain syndromes such CHARGE synd...
Article
Obesity cardiomyopathy
Obesity cardiomyopathy has often been defined as cardiomegaly with heart failure in individuals with obesity without other etiologies of heart disease. It is thought to typically occur in patients with severe and long-standing obesity. It can be associated with sudden cardiac death. According to...
Article
Uremic pericarditis
Uremic pericarditis is form of pericarditis that may occur in patients with a high blood urea nitrogen level.
Epidemiology
Uremic pericarditis was more common in the pre-dialysis era but now is occasionally encountered when there is an inadequate removal of uremic toxins.
Radiographic feature...
Article
Right bundle branch block
Right bundle branch block is a finding on electrocardiogram due to an interruption or alteration in the His-Purkinje system and is characterized by widened QRS complexes and changes in R and S wave vectors 1,2. It can be complete or incomplete, with incomplete being the more common form of prese...
Article
Mononeuritis multiplex
Mononeuritis multiplex, also known as mononeuropathy multiplex, is a disorder involving two or more asymmetric peripheral nerves and is usually seen as a complication of an underlying condition 1-7. It has an acute or subacute onset and can progress to involve more nerves and develop into a poly...
Article
Interlobar pneumothorax
Interlobar pneumothoraces are a rare pneumothorax subtype where air is restricted to the interlobar pleural space.
Pathology
Interlobar pneumothoraces are mostly due to the previous fibrous pleural adhesions from pleurodesis, pleural diseases, or rib fractures. Pleural adhesions prevent air fr...
Article
Heterogeneous bone marrow signal
Heterogeneous bone marrow signal is a common but challenging MRI finding. It is usually an incidental finding but in a small minority can represent a serious underlying condition such as malignancy. It is most commonly described in the lumbar spine 1-3.
Terminology
No uniform term is used in t...
Article
Rapidly progressive left ventricular myocardial calcification
Rapidly progressive left ventricular myocardial calcification is a rarely reported phenomenon of severe sepsis and renal failure usually occurring over weeks.
Pathology
The exact etiology is not well known although some attribute it to the release of cardio-suppressing mediators with calcium-p...
Article
Flavoring-related lung disease
Flavoring-related lung disease is a potentially disabling and sometimes fatal lung disease of workers making or using flavourings. It is a form of inhalational lung disease and some also regard it as a form of pneumoconiosis.
Pathology
It is thought to be mostly triggered by volatile α-dicarbo...
Article
Postarthroscopic glenohumeral chondrolysis (PAGCL)
Postarthroscopic glenohumeral chondrolysis (PAGCL) is a rare complication of arthroscopic surgery in which there is rapid dissolution of articular cartilage with degenerative change of the glenohumeral articulation.
Epidemiology
PAGCL is more frequent in young people between 10 and 40 years, a...
Article
Immune checkpoint inhibitor-associated myocarditis
Immune checkpoint inhibitor-associated myocarditis or immune checkpoint-induced myocarditis is a form of immune-mediated myocarditis associated with immune checkpoint inhibitor therapy.
Epidemiology
Although myocarditis can occur with immune checkpoint inhibitor monotherapy it is more common w...
Article
Patellophyseal index
The patellophyseal (PP) index is an alternative technique to measure the patellar height on both x-ray and MRI as the physeal line can be seen on both imaging modalities 1.
Usage
The PP index is a variation on the patellotrochlear index that can be used on radiographs. It is an indirect measur...
Article
SRU management guidelines for gallbladder polyps
The Society of Radiologists in Ultrasound (SRU) consensus recommendation for the management of incidentally detected gallbladder polyps was published in 2021 1.
Usage
The SRU consensus recommendation is one of many guidelines for the management of incidentally detected gallbladder polyps. The ...
Article
LI-RADS US Surveillance
Liver Imaging Reporting and Data System Ultrasound Surveillance (LI-RADS US Surveillance) is a standardized system with recommendations for imaging technique, interpretation and reporting for surveillance of hepatocellular carcinoma (HCC) using unenhanced ultrasound in patients at high risk for ...
Article
Round ligament varicosities
Round ligament varicosities are dilated and tortuous veins in the round ligament, these are rare although most commonly seen during pregnancy and the postpartum period. They constitute an important differential diagnosis for inguinal masses as to avoid unnecessary surgery and associated complica...
Article
Transient hepatic echogenicity differences
Transient hepatic echogenicity differences (THED) are areas of differential enhancement of the liver parenchyma depicted with contrast-enhanced ultrasound (CEUS) using microbubble intravascular contrast agents. They are equivalent to transient hepatic attenuation differences (THAD) with contrast...
Article
CEUS LI-RADS
The Contrast-enhanced Ultrasound Liver Imaging Reporting and Data System (CEUS LI-RADS) is a standardized classification system, algorithm, and terminology for diagnosing hepatocellular carcinoma (HCC) in high-risk patients using CEUS with blood-pool intravenous contrast agents.
The current ver...
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