Items tagged “cases”
5,530 results found
Article
Grelsamer classification of sagittal patellar morphology
The Grelsamer classification of sagittal patellar morphology has some relevance regarding measuring patellar height.
Classification
The Grelsamer classification is based on the ratio of total patellar length to patellar articular surface length on a lateral knee x-ray. Greslamer divided sagit...
Article
Fetal atrioventricular block
Fetal atrioventricular block is a form a fetal bradyarrhythmia often classified into
fetal partial atrioventricular block (PAVB)
fetal complete atrioventricular block (CAVB)
Epidemiology
Fetal atrioventricular block is considered rare finding with reported occurrences of around 1:11,000-20,0...
Article
Gardner-Silengo-Wachtel syndrome
Gardner-Silengo-Wachtel syndrome, also known as genito-palato-cardiac syndrome, is a rare male (46XY) gonadal dysgenesis condition that is assumed to be either an X-linked recessive or an autosomal recessive disorder 1.
Epidemiology
The estimated incidence is at <1 in 1,000,000 live births.
P...
Article
Periorbital necrotizing fasciitis
Periorbital necrotizing fasciitis is an uncommon but serious condition caused by rapidly spreading periorbital infection with the potential for progressive vascular thrombosis and subcutaneous necrosis.
Clinical presentation
The initial appearance may look like periorbital cellulitis although ...
Article
Pancreatic cystosis
Pancreatic cystosis is a rare abdominal manifestation of cystic fibrosis characterized by the presence of multiple epithelium-lined macroscopic cysts that replace the pancreatic parenchyma in patients with cystic fibrosis. It is typically an asymptomatic incidental imaging diagnosis and the cyst...
Article
Recurrent carpal tunnel syndrome
Recurrent carpal tunnel syndrome is the persistence or re-occurrence of carpal tunnel syndrome (CTS) symptoms after carpal tunnel release surgery.
Epidemiology
The re-operation rate for new or persistent CTS symptoms is 1-3% 1-3.
Pathology
Persistence or re-occurrence of CTS symptoms may be ...
Article
Woodhouse-Sakati syndrome
Woodhouse-Sakati syndrome is a rare autosomal recessive genetic disorder characterized by neurodegeneration resulting from mutations in the DCAF17 gene.
Clinical presentation
Its primary clinical features involve endocrine abnormalities, such as hypogonadism, the absence of secondary sexual ch...
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 process
The basilar process, also known as the mammillar or papillar process, is a rare anatomical variant of the occipital bone that is part of the spectrum of occipital vertebrae 1.
Epidemiology
The basilar process is a rare variant, with a reported prevalence of 4% 2.
Clinical presentation
A basi...
Article
Prebasioccipital arch
The prebasioccipital arch is a rare anatomical variant of the occipital bone that is part of the spectrum of occipital vertebrae 1.
Epidemiology
The prebasioccipital arch is a very rare variant; one study reported a prevalence of 0.025% 2.
Clinical presentation
The prebasioccipital arch is a...
Article
Investigating amblyopia (summary)
This is a basic article for medical students and other non-radiologists
Amblyopia, often referred to as a "lazy eye", is a vision development disorder where an eye fails to achieve normal visual acuity, despite the use of prescription spectacles or contact lenses.
Reference article
This is a ...
Article
Esophageal-pleural stripe
Esophageal-pleural stripe is a soft tissue interface formed between the right wall of the esophagus and the medial wall of the right pleura, projecting from the level of clavicles downwards until the gastro-esophageal junction 1.
Although the esophageal-pleural stripe can be used in most patien...
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
Pericardial involvement in end stage renal disease
Pericardial involvement in end stage renal disease is not uncommon in those with end stage renal disease and can occur as acute or chronic forms.
Acute forms are considered more commoner and can comprise of
uremic pericarditis
other dialysis associated pericarditis
Chronic forms are less com...
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
Klüver-Bucy syndrome
Klüver-Bucy syndrome is a neurobehavioral disorder seen in patients with bilateral temporal lobe lesions, particularly the inferior temporal cortex and amygdala 1. The syndrome can be complete or incomplete, with incomplete Klüver-Bucy syndrome being the more common form of presentation as the a...
Article
Oncotype DX Breast Recurrence Score
Oncotype DX Breast Recurrence Score (Exact Sciences, USA) is a proprietary 21-gene expression assay that is prospectively validated and provides prognostic information on the 10-year risk of disease recurrence in estrogen receptor positive, lymph node-negative breast cancer patients 1. This gene...
Article
Bernheim phenomenon
Bernheim phenomenon, also known as the Bernheim syndrome or the Bernheim effect, is the development of right heart failure before left heart failure and has been described in patients with a hypertrophied ventricular septum bulging into the right ventricle, restricting right ventricular diastoli...
Article
Anton-Babinski syndrome
Anton-Babinski syndrome, also known as Anton syndrome, is a type of cortical blindness occurring as a result of bilateral occipital lobe lesion. The syndrome consists of blindness, visual anosognosia and confabulation 1-5.
Epidemiology
The syndrome is rare with 28 documented cases between 196...
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