Arlene Campos

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Lipase | Radiology Reference Article | Radiopaedia.org

2 months ago | radiopaedia.org | Hamish Smith |Arlene Campos

Lipase, more specifically pancreatic lipase, is an enzyme produced in the pancreas and is responsible for the digestion of fat molecules. It may be raised (hyperlipasemia) in numerous pancreatic, hepatobiliary and other diseases but is most commonly associated with acute pancreatitis. Physiological basisLipases catalyze the reaction of triglycerides into glycerol and fatty acid molecules.
Hypertriglyceridemia-induced pancreatitis

2 months ago | radiopaedia.org | Hamish Smith |Arlene Campos

Hypertriglyceridemia-induced pancreatitis is an uncommon form of acute pancreatitis caused by high levels of circulating triglycerides in the blood. Hypertriglyceridemia-induced pancreatitis accounts for around 1-4% of cases of acute pancreatitis and is the third most common cause of pancreatitis after gallstones and alcohol 1. It is responsible for over half of pregnancy-related cases of acute pancreatitis 2.
Mass-like hypertrophic cardiomyopathy

2 months ago | radiopaedia.org | Joachim Feger |Arlene Campos

Mass-like or tumefactive hypertrophic cardiomyopathy is a morphological variant or phenotype of hypertrophic cardiomyopathy (HCM). Mass-like or tumefactive hypertrophic cardiomyopathy is rare and accounts for less than 2% of cases 1-4. AssociationsMass-like or tumefactive hypertrophic cardiomyopathy can be sometimes associated with left ventricular outflow obstruction if the affected segment is located in the basal region near the left ventricular outflow tract 1.
Aorto-ventricular tunnel

2 months ago | radiopaedia.org | Daniel Bell |Arlene Campos

Aorto-ventricular tunnel (AVT) is an extremely rare form of congenital heart disease, representing an anomalous extracardiac communication between the ascending aorta and the left or right ventricles. In most cases the anomalous communication is between the aorta and the left ventricle and therefore the term aorto-left ventricular tunnel (ALVT) is used. Rarely the abnormal connection is with the right ventricle, in which case the term aorto-right ventricular tunnel (ARVT) is used instead.
Neurodegenerative protocol (MRI)

Jul 26, 2024 | radiopaedia.org | Bruno Di Muzio |Arlene Campos

MRI protocol for neurodegenerative diseases assessment is a group of MRI sequences put together to best approach a wide variety of disorders, typically slowly progressive, with variable gradual neurologic dysfunction. Please, refer to neurodegenerative MRI brain (an approach) for a broad discussion on how to go through these exams. Note: This article is intended to outline some general principles of protocol design.
Acute aortic syndrome

Jul 26, 2024 | radiopaedia.org | Jeremy Jones |Arlene Campos

Acute aortic syndrome describes the presentation of patients with one of a number of life-threatening aortic pathologies that give rise to similar clinical presentations. Exactly which entities are included under the umbrella term acute aortic syndrome varies somewhat from publication to publication. Three conditions are generally included, sharing epidemiological and clinical presentation as well as having overlapping and sometimes co-existing imaging features 1-5.
Comet tail sign (chest)

Jul 26, 2024 | radiopaedia.org | Arlene Campos

The comet tail sign is a finding that can be seen on CT scans of the chest. It consists of a curvilinear opacity that extends from a subpleural "mass" toward the ipsilateral hilum. The comet tail sign is produced by the distortion of vessels and bronchi that lead to an adjacent area of round atelectasis, which is the mass 2. The bronchovascular bundles appear to be pulled into the mass and resemble a comet tail. Adjacent pleural thickening is almost always seen and well demonstrated at CT.
Prostate imaging recurrence reporting

Jul 26, 2024 | radiopaedia.org | Joachim Feger |Arlene Campos

Citation: Feger J, Campos A, Prostate imaging recurrence reporting. Reference article, Radiopaedia.org (Accessed on 26 Jul 2024) https://doi.org/10.53347/rID-88199 rID: 88199 Article created: 29 Mar 2021, Joachim Feger ◉ Last revised: 26 Jul 2024, Arlene Campos ◉ Disclosures: At the time the article was last revised Arlene Campos had no financial relationships to ineligible companies to disclose.
Ascending aortic aneurysm

Jul 26, 2024 | radiopaedia.org | Frank Gaillard |Arlene Campos

Citation: Gaillard F, Campos A, Williams P, et al. Ascending aortic aneurysm. Reference article, Radiopaedia.org (Accessed on 26 Jul 2024) https://doi.org/10.53347/rID-20247 rID: 20247 Article created: 8 Nov 2012, Frank Gaillard ◉ ◈ Last revised: 26 Jul 2024, Arlene Campos ◉ Disclosures: At the time the article was last revised Arlene Campos had no financial relationships to ineligible companies to disclose.
Skull (AP view) | Radiology Reference Article | Radiopaedia.org

Jul 26, 2024 | radiopaedia.org | Matt Morgan |Arlene Campos

The skull anteroposterior (AP) view is a non-angled radiograph of the skull. This view provides an overview of the entire skull rather than attempting to highlight any one region. This examination is able to assess for medial and lateral displacements of skull fractures, in addition to neoplastic changes and Paget disease.