Items tagged “cases”
5,525 results found
Article
Prepatellar quadriceps continuation
The prepatellar quadriceps continuation is formed by the extension of the rectus femoris tendon connecting the patellar and quadriceps tendons.
Gross anatomy
The quadriceps tendon is a multilayer structure, where each of the four components of the muscle (vastus medialis, vastus lateralis, vas...
Article
MR feature tracking
MR feature tracking refers to an MRI based post-processing method, used on normal cine SFFP sequences for the analysis of myocardial deformation and the determination of myocardial strain parameters.
Methodology
MRI feature tracking is a two-dimensional software algorithm applied on standard c...
Article
Rocio viral encephalitis
Rocio viral encephalitis is an endemic flavivirus encephalitis that appeared in the Ribeira Valley, located on the south coast of São Paulo, Brazil, between 1975-1976.
Epidemiology
Rocio virus was first isolated from central nervous system tissue of a deceased 39-year-old male in the Rocio dis...
Article
Active surveillance
Active surveillance describes a management option aiming at close monitoring of a specific stage in disease and minimizing adverse treatment-related effects without compromising survival at the same time. Curative or definite treatment is intended and offered upon deterioration or explicit patie...
Article
Absent posterior limb sign
The absent posterior limb sign is one of the main MRI findings of prognostic significance in term neonates with suspected hypoxic-ischemic brain injury. An absent posterior limb sign is defined as loss of the normally distinct hyperintensity on T1-weighted images in the posterior part of the pos...
Article
Powassan virus
Powassan virus is an emerging tibovirus that can cause aseptic meningitis and meningoencephalitis. Due to a 10 - 15% mortality rate and high incidence of permanent neurological deficits, Powassan virus disease is a nationally notifiable condition 1,2.
Epidemiology
Powassan virus was first is...
Article
Cardiac strain
Cardiac strain or myocardial strain describes the deformation of the cardiac wall or chamber from a relaxed to a contracted condition more precisely the alteration of length in one dimension or spatial orientation.
It can be expressed by a mathematical principle with the following formula 1,2:
...
Article
Deep infrapatellar bursitis
Deep infrapatellar bursitis refers to an inflammation of the deep infrapatellar bursa and is an uncommon condition in children.
Epidemiology
Risk factors
Sports and activities involving a great amount of running and jumping are considered risk factors for developing deep infrapatellar bursiti...
Article
Watchful waiting
Watchful waiting, also known as watch and wait, describes a palliative management option with the main goal to maintain/improve quality of life, to control complications as well as minimize adverse treatment-related effects.
Usage
Watchful waiting is usually considered in elderly patients with...
Article
Surfer's myelopathy
Surfer's myelopathy is a rare, non-traumatic spinal cord injury occurring in novice surfers in whom prolonged hyperextension of the back causes infarction of the artery of Adamkiewicz.
Terminology
These patients are almost always novice surfers 1,2. However, cases of a similar syndrome have be...
Article
MR tagging
Cardiac MR tagging or myocardial tagging refers to an MRI-based acquisition method designed for the analysis of myocardial deformation.
Methodology
The method exploits tissue magnetization as a tissue property. A local magnetic saturation grid of dark-lined tissue markers known as tags are ind...
Article
Mitral annular plane systolic excursion
Mitral annular plane systolic excursion (MAPSE) refers to the displacement of the mitral valvular plane in the z-direction and reflects left ventricular longitudinal contraction or shortening, which has been attributed to account for about 60% of the stroke volume 1.
Terminology
Mitral annular...
Article
Major adverse cardiovascular event
A major adverse cardiovascular event (MACE), forming part of the larger category of major adverse clinical events, refers to a combined or composite clinical endpoint that is used for outcome evaluations in clinical trials for cardiovascular research. A major adverse cardiovascular/clinical even...
Article
Rectal cancer response assessment
Assessment of rectal cancer response to therapy, which may be chemotherapy, radiotherapy, or a combination, relies on the synthesis of clinical, endoscopic and radiologic evaluation.
The purpose of neoadjuvant therapy is to downstage the tumor, to facilitate surgical resection, and reduce loca...
Article
Marsupial cava
Marsupial cava, also known as preaortic iliac venous confluence, is a rare anatomical variant in which the confluence of the common iliac veins is located anterior to the right common iliac artery and aortic bifurcation.
Terminology
The term marsupial cava is in reference to the normal anatomy...
Article
Contrast-enhanced CT during extracorporeal membrane oxygenation
Contrast-enhanced CT of patients undergoing extracorporeal membrane oxygenation (ECMO) presents unique technical and diagnostic challenges.
Technical considerations
There are a number of factors that need to be considered to ensure contrast-enhanced CT studies of ECMO patients are both succes...
Article
Paclitaxel lung toxicity
Paclitaxel lung toxicity is a form of drug-induced lung disease that can precipitate following the use of paclitaxel which is a chemotherapeutic agent commonly used in the treatment of breast, ovarian, and non-small cell lung cancers. Nab-paclitaxel can also be bound to human serum albumin formi...
Article
Mercury embolism
Mercury embolism is a rare condition caused by the embolism of elemental mercury secondary to suicidal or accidental intravenous injection 1,4.
Pathology
Etiology
Mercury embolism is primarily from intravenous injection of elemental mercury although it has rarely been seen secondary to inges...
Article
Well-differentiated liposarcoma/atypical lipomatous tumor
Well-differentiated liposarcomas (WDLPS) or atypical lipomatous tumors (ALT) are locally aggressive adipocytic soft tissue neoplasms and are the most common form of liposarcomas.
Terminology
The terminology well-differentiated liposarcoma and atypical lipomatous tumor depend on the localizatio...
Article
Uvula
The uvula is a small, conical, pendulous process projected inferiorly from the midline posterior margin of the soft palate. It is primarily formed from the insertions of the two muscles of the uvula and their covering mucosa.
Summary
location: posterior midline soft palate
blood supply: from ...
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