Search results for “( "Uncertainty" )”

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uncertainty

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Article

Haglund syndrome

Haglund syndrome refers to the triad (Haglund triad) of: insertional Achilles tendinopathy retrocalcaneal bursitis Haglund deformity (i.e. posterosuperior calcaneal exostosis) Terminology Haglund syndrome is a painful condition of the heel and its diagnosis requires a combination of clinica...
Article

Bone metastases

Bone (skeletal) metastases are the third most frequent behind lung and liver metastases 6. They result in significant morbidity in patients with metastatic disease. Although the diagnosis is often straightforward, especially as in many cases there is a well-documented history of metastatic malig...
Article

Perivascular spaces

Perivascular spaces, also known as Virchow-Robin spaces are fluid-filled spaces that surround small arterioles, capillaries and venules in the brain. Those that surround perforating vessels are frequently seen on routine MRI imaging.  Despite having been described well over a century ago and se...
Article

Vein of Galen aneurysmal malformation

Vein of Galen aneurysmal malformations (VGAMs), probably better termed as median prosencephalic arteriovenous fistulas, are uncommon intracranial anomalies that tend to present dramatically during early childhood with features of a left-to-right shunt and high-output cardiac failure. Epidemiolo...
Article

Intramuscular myxoma

Intramuscular myxomas are a rare benign type of soft tissue myxoma that is mesenchymal in origin. Epidemiology Incidence is reported to be 1 in 1 000 000 and most frequently diagnosed in females (~57%) patients between 40-70 years  1. Clinical presentation The typical presentation is that of...
Article

Transient ischemic attack

Transient ischemic attacks (TIAs), in the most recent definition, correspond to a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction. Terminology  In the past, TIA was arbitrarily distinguished from stroke by the dura...
Article

Fluoroscopy guided lumbar puncture

Fluoroscopy-guided lumbar puncture (LP) is a minimally invasive, image-guided diagnostic and therapeutic procedure that involves the removal of a small volume of cerebrospinal fluid (CSF) from, or an injection of medication or other substance (e.g. radiotracer, chemotherapy agents) into the lumb...
Article

Chest (lateral view)

The lateral chest view examines the lungs, bony thoracic cavity, mediastinum, and great vessels. Indications This orthogonal view to a frontal chest radiograph may be performed as an adjunct in cases where there is diagnostic uncertainty. The lateral chest view can be particularly useful in as...
Article

Hydatid disease

Hydatid cysts result from infection by the Echinococcus tapeworm species and can result in cyst formation anywhere in the body. Epidemiology Cystic echinococcosis has a worldwide geographical distribution. The Mediterranean basin is an important endemic area 6,7. Pathology There are two main...
Article

Benign post-traumatic pseudopneumoperitoneum

Benign post-traumatic pseudopneumoperitoneum is the presence of ectopic gas typically between the 5th-10th intercostal spaces after high-energy trauma in the absence of other causes of pseudopneumoperitoneum such as pneumomediastinum 9.  Epidemiology Occurs with an incidence of 5% post-trauma...
Article

Endovascular clot retrieval (ECR)

Endovascular clot retrieval (ECR) is increasingly performed in patients presenting with emergent large vessel occlusion (ELVO), especially those with a large ischemic penumbra that is likely to progress to ischemic stroke. To be successful, careful patient selection and dedicated training and eq...
Article

Pediatric chest (lateral view)

The pediatric lateral chest view may be performed as an adjunct to a frontal chest radiograph in cases where there is diagnostic uncertainty. T Indications The lateral chest view examines the lungs, bony thoracic cavity, mediastinum, and great vessels. Lateral radiographs can be particularly u...
Article

Hepatic myelolipoma

Hepatic myelolipoma is a rare, benign fat-containing lesion of the liver, usually asymptomatic and found incidentally. Its diagnosis by imaging remains difficult because of a lack of pathognomonic signs. The definite diagnosis is by resection or biopsy.  Epidemiology  Hepatic myelolipomas are ...
Article

Serous cystadenoma of the pancreas

Serous cystadenoma of the pancreas, also referred as microcystic adenoma, is an uncommon type of benign cystic pancreatic neoplasm.  Epidemiology There is a recognized strong female predilection (M:F ~ 1:4) and usually presents in middle age to elderly patients (>60 years of age).  Associatio...
Article

Synovial folds

Synovial folds or synovial plicae are remnant duplications of synovium formed during embryonic development. They are of particular interest and commonly described in the knee, elbow and hip joint but can be also found in other joints 1-4. Terminology The term ‘plica’ is commonly used if a syn...
Article

Hysterosalpingogram

Hysterosalpingogram (HSG) is a fluoroscopic examination of the uterus and the Fallopian tubes, most commonly used in the investigation of infertility or recurrent spontaneous abortions. Indications Infertility to assess uterine morphology and tubal patency. Contraindications pregnancy activ...
Article

Heart failure with preserved ejection fraction

Heart failure with preserved ejection fraction (HFpEF) is a type of heart failure with normal or near-normal ejection fraction and objective evidence of diastolic dysfunction. Terminology Heart failure with preserved ejection fraction was initially termed ‘diastolic heart failure' and was repl...
Article

Atypical neurofibromatous neoplasms of uncertain biologic potential (ANNUBP)

Atypical neurofibromas and atypical neurofibromatous neoplasms of uncertain biologic potential (collectively AN/ANNUBP) refer to neurofibromas with atypical histological features. They are considered premalignant with an increased risk of progressing to a malignant peripheral nerve sheath tumor....
Article

Hardware failure

Orthopedic implant or hardware failure refers to the failure of the implant to live up to its expected requirements with respect to the manufacturer's or the surgeon's allegations. This includes any complication directly related to the implant such as wear, fractures, dissociations and dislocati...

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