Items tagged “cases”
5,523 results found
Article
Chiari network
A Chiari network refers to a filamentous, weblike structure in the right atrium that results from incomplete resorption of the embryonic sinus venosus. It is an uncommon anatomical variant.
Epidemiology
Prevalence estimates for the general population vary widely, ranging from 2%-10% of randoml...
Article
Papillary intralymphatic angioendothelioma
Papillary intralymphatic angioendothelioma (PILA) (also known - especially historically - as a Dabska tumor) is a rare, low-grade soft tissue tumor 1. The lesion is borderline-malignant and metastasis is distinctly unusual.
Epidemiology
Less than 40 cases have been reported in the global liter...
Article
Sulfasalazine lung toxicity
Sulfasalazine lung toxicity is a rare and poorly understood entity, usually taking the form of eosinophilic pneumonia, for which only a handful of case reports can be found in the literature.
Epidemiology
Unknown but probably very rare. Occurred twice in a series of 774 patients treated with s...
Article
Arterial vasocorona
The arterial vasocorona is part of the spinal cord blood supply and is formed by pial anastomoses between the anterior and posterior spinal arteries on the surface of the spinal cord. It encircles the cord and supplies the peripheral lateral aspect of the spinal cord.
Engorgement of arterial v...
Article
Pleurobiliary fistula
A pleurobiliary fistulae refers to an abnormal fistulous communication between the biliary tree and pleural space. It forms the large portion of thoracobiliary fistulas and can occur in various situations such as with complications secondary to trauma, infection, malignancy, biliary disease, or ...
Article
Ventricular assist device
Ventricular assist devices (VAD) are a mechanical circulatory support device, which is providing an effective therapy for a significant number of patients with advanced heart failure. There are mostly left VADs, although right VADs are also implanted.
Device elements
inflow cannulas
electri...
Article
Musculus compressor nuda
Musculus compressor nuda is a small striated musculotendinous sling of the bulbocavernosus muscle, which extends from the anterior and lateral surfaces of the proximal bulbous urethra.
Musculus compressor nuda causes the proximal bulbous urethra to form a symmetric convex cone shape where the t...
Article
Korean Society of Thyroid Radiology Thyroid Imaging, Reporting and Data System (K-TIRADS)
K-TIRADS is a reporting system designed by the Korean Society of Thyroid Radiology for ultrasound assessment of thyroid nodules and stratification of the requirement for FNA and malignancy. There is also stratification of indications for lymph node sampling.
This is a five-stage system using de...
Article
European Thyroid Association TIRADS
EU-TIRADS is a reporting system designed by the European Thyroid Association for ultrasound assessment of thyroid nodules and stratification of requirement for FNA and malignancy. This system was based on an established French system, with validated results 2,3.
This is a five stage system usin...
Article
Beam steering
Beam steering refers to altering the angle of the ultrasound beam with respect to the transducer without moving the probe. Beam steering allows a point on an image to be insonated from multiple angles from a single probe and a single position of the probe. Beam steering is accomplished by adding...
Article
Muscle tear
Muscle tears or strains are common injuries, both in athletes and non-athletes.
Terminology
Muscle strain is a term that is used variably clinically and in the medical literature. The Munich consensus statement (expert level evidence) states muscle tear is the preferred term denoting "structu...
Article
Decompression illness
Decompression illness (DCI) encompasses decompression sickness (DCS) and arterial gas embolism. The term decompression illness refers to inert bubble-induced dysbaric disease regardless of the location of the bubbles, which may be in the tissues or in the intravascular spaces. The bubbles arise ...
Article
Skeletogenesis
Skeletogenesis begins with the migration of multipotent mesenchymal cells, derived from ectoderm and mesoderm, to the locations of the future bones.
The mesenchymal cells then complete bone formation and generation through either endochondral ossification or intramembranous ossification.
Article
Systemic lupus erythematosus (gastrointestinal manifestations)
Gastrointestinal manifestations in patients with systemic lupus erythematosus are common and may involve any region of the gastrointestinal tract or visceral organs.
Clinical presentation
Patients with abdominal or gastrointestinal involvement by systemic lupus erythematosus may have a variety...
Article
Community-acquired pneumonia
Community-acquired pneumonia (CAP) refers to pneumonia caused by an infectious agent that is contracted in the general population, and not whilst in a medical facility, or from contact with the healthcare system. A diagnosis of CAP may still be reached up to 48 hours post-admission to hospital 2...
Article
Familial Mediterranean fever
Familial Mediterranean fever (FMF) (also known as recurrent polyserositis) is a genetic autoimmune condition that is notable for its spontaneous self-limiting acute episodes of fever and serositis, especially peritonitis and synovitis.
Epidemiology
Familial Mediterranean fever tends to be ethn...
Article
Alpha angle (cam morphology)
The alpha angle is a radiological measurement proposed for the detection of cam morphology, which is sometimes associated with femoroacetabular impingement (FAI).
Terminology
The term alpha angle is also used in a separate and unrelated context in the evaluation of developmental dysplasia of ...
Article
Acute abdominal pain
Acute abdominal pain is a common acute presentation in clinical practice. It encompasses a very broad range of possible etiologies and diagnoses, and imaging is routinely employed as the primary investigative tool in its modern management.
Terminology
A subgroup of patients with acute abdomina...
Article
Progressive postnatal pansynostosis
Progressive postnatal pansynostosis (PPP) is a rare form of craniosynostosis characterized by the late fusion of all cranial sutures.
Epidemiology
This type of craniosynostosis occurs insidiously after birth and presents later in life unlike other types of craniosynostosis which occur during t...
Article
Quantitative computed tomography (overview)
Quantitative computed tomography (QCT) can refer to
quantitative computed tomography - bone (in BMD assessment)
quantitative computed tomography - thoracic imaging
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