Articles
Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and continuously improved upon by countless contributing members. Our dedicated editors oversee each edit for accuracy and style. Find out more about articles.
704 results found
Article
Inferior vena cava obstruction
Inferior vena cava obstruction, also known as inferior vena cava syndrome, refers to the clinical manifestations occurring as a result of any blockage in the inferior vena cava. It can occur due to external compression, thrombosis of inferior vena cava or iatrogenic placement of filters 1. Certa...
Article
Amnestic syndrome of the subcallosal artery
Amnestic syndrome of the subcallosal artery describes an acute amnestic syndrome secondary to ischemic stroke affecting the subcallosal artery which leads to infarction of the bilateral fornices.
Epidemiology
The exact incidence of amnestic syndrome of the subcallosal artery is not known, but ...
Article
Cytokine release syndrome
Cytokine release syndrome refers to the overwhelming release of cytokines by T-cells or other immune effector cells in the absence of immunomodulation, which can result in severe systemic inflammation, coagulopathy, and multiorgan dysfunction 4. Severe manifestation of cytokine release syndrome ...
Article
Axenfeld-Rieger syndrome
Axenfeld-Rieger syndrome is a rare spectrum of disorders with an autosomal dominant pattern of inheritance 6. The syndrome incorporates all of 5:
Axenfeld anomaly: posterior embryotoxon and peripheral irido-corneal adhesions
Rieger anomaly: findings of Axenfeld anomaly along with corectopia (m...
Article
Chédiak-Higashi syndrome
Chédiak-Higashi syndrome is a rare, potentially lethal, multisystemic disorder, characterized by congenital immunocompromise with susceptibility to bacterial infections, a bleeding diathesis, partial albinism affecting the skin and eyes, and gradual neurological decline 2,3.
Epidemiology
The e...
Article
Foix-Chavany-Marie syndrome
Foix-Chavany-Marie syndrome, also known as bilateral anterior opercular syndrome or anterior operculum syndrome, is a cortical form of pseudobulbar palsy classically caused by bilateral anterior opercular lesions.
Clinical presentation
The clinical presentation is of pseudobulbar palsy that is...
Article
Angelman syndrome
Angelman syndrome refers to a genetic and neurodevelopmental condition principally affecting the central nervous system.
Epidemiology
The reported estimated incidence can variable ranging from around 1 in 20,000 to 1 in 12,000 live births. No definite gender predilection has been described.
C...
Article
Dumping syndrome
Dumping syndrome is a common complication following gastric, bariatric or esophageal surgeries.
There are two types of dumping syndrome:
early dumping syndrome
postprandial hyperinsulinemic hypoglycemia (late dumping syndrome)
Epidemiology
Dumping syndrome occurs in approximately 12-40% of ...
Article
Achenbach syndrome
Achenbach syndrome, also known as paroxysmal finger hematomas or acute idiopathic blue finger, is a rare disorder characterized by spontaneous rupture of digital arteries with resultant hematomas 1-3.
Epidemiology
Achenbach syndrome is more common in women, typically in middle to older age (30...
Article
Calcineurin-inhibitor induced pain syndrome
Calcineurin-inhibitor-induced pain syndrome (CIPS) describes a reversible acute pain syndrome that occurs in patients with transplants taking calcineurin inhibitors as immunosuppressive therapy to prevent transplant rejection 1. The most common calcineurin inhibitors prescribed following organ t...
Article
Sagliker syndrome
Sagliker syndrome is an uncommon bone condition, possibly a severe phenotype of renal osteodystrophy, marked by secondary hyperparathyroidism in patients suffering from chronic kidney disease associated with skull and facial deformities 1-4.
Epidemiology
Sagliker syndrome is a rare condition m...
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...
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
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
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
Alice in Wonderland syndrome
Alice in Wonderland syndrome, also known as Todd syndrome, is a rare condition affecting the sensory inputs in the brain.
Epidemiology
Alice in Wonderland syndrome most common in children with over two-third of cases occurring in the pediatric demographic 1.
Clinical presentation
Alice in Wo...
Article
Acrodysotosis
Acrodysotosis, also known as Arkless-Graham syndrome, Maroteaux-Malamut syndrome or acrodysplasia, is a rare genetic disorder affecting bone growth.
Epidemiology
The true incidence is not known. There is no known gender predilection. The condition is often detected in early childhood.
Clinica...
Article
Nezelof syndrome
Nezelof syndrome is a hereditary primary immunodeficiency state caused by thymic dysplasia, lack of T cell function and normal levels of immunoglobulins.
Epidemiology
Nezelof syndrome is extremely rare.
Clinical presentation
Common clinical features include 4,5
failure to thrive
metaphysea...
Article
Dialysis access-associated steal syndrome
Dialysis access-associated steal syndrome or haemodialysis access-related hand ischemia arises as a complication of arteriovenous (AV) access.
Epidemiology
Symptomatic dialysis access-associated steal syndrome has been reported in up to 6% of AV access patients ref. Prevalence is higher in bra...
Article
Hand-foot-genital syndrome
Hand-foot-genital syndrome (previously known as hand-foot-uterus syndrome) refers to a rare hereditary disorder with abnormalities involving the hands, feet and uterus.
Hand-foot-genital syndrome should not be confused with:
hand-foot syndrome (sickle cell disease)
hand-foot-and-mouth disease...
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