Items tagged “cases”
5,550 results
Article
Inflammatory myofibroblastic tumors of the urogenital system
Inflammatory myofibroblastic tumors (IMTs) of the urogenital system are rare benign lesions, and just a few cases are reported with spermatic cord, scrotal and penile origins 1.
Please refer to the article on inflammatory myofibroblastic tumors for a broad discussion.
Clinical presentation
...
Article
Inflammatory myofibroblastic tumors of the head and neck
Inflammatory myofibroblastic tumors (IMTs) of the head and neck are frequent benign lesions and have been reported in various sites such as orbit, maxillary sinus, nasal cavity, buccal space, parotid gland, nasopharynx and larynx. However, the orbit is the most common location for IMTs in the he...
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
Fumarate hydratase-deficient renal cell carcinoma (FH-RCC)
Fumarate hydratase-deficient renal cell carcinoma (FH-RCC) is a very rare type of renal cell carcinoma (RCC). It can be part of the hereditary leiomyomatosis and RCC (HLRCC) syndrome (germline mutation) or it can be sporadic (somatic mutation). As opposed to conventional RCC, it affects younger ...
Article
Sonic hedgehog-activated hepatocellular adenoma
Sonic hedgehog-activated hepatocellular adenomas (sh-HCA) are a subtype of hepatocellular adenomas.
On imaging, it is still mostly diagnosed by exclusion of the other adenomas subtypes and other liver tumors.
Epidemiology
Most of sh-HCA were previously grouped under the unclassified adenomas,...
Article
Heterogeneous bone marrow signal
Heterogeneous bone marrow signal is a common but challenging MRI finding. It is usually an incidental finding but in a small minority can represent a serious underlying condition such as malignancy. It is most commonly described in the lumbar spine 1-3.
Terminology
No uniform term is used in t...
Article
Essential palatal tremor
Essential palatal tremor, also known as essential palatal myoclonus or isolated palatal tremor, describes a rare movement disorder characterized by continuous and rhythmic palatal movement caused by contraction of the tensor veli palatini muscle, without an obvious structural cause.
Epidemiolog...
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Liver transplantation
Liver transplantation is a major surgical procedure for end-stage liver disease and requires a comprehensive multidisciplinary approach. Radiology plays a major role in the evaluation of patients before and after liver transplantation as well as potential donor patients.
This article does not d...
Article
Hereditary elliptocytosis
Hereditary elliptocytosis, also known as hereditary ovalocytosis, is a condition which results from varying genetic mutations that lead to the formation of abnormally shaped red blood cells that are ovoid. It may cause a hemolytic anemia.
Epidemiology
There are various geographic trends for t...
Article
Anemia of chronic disease
Anemia of chronic disease, also known as anemia of inflammation, is a type of anemia caused by chronic inflammation.
Terminology
According to some sources, the term 'anemia of inflammation' should replace, or has already replaced, the terms 'anemia of chronic disease' and 'anemia of chronic d...
Article
Mitochondrial neurogastrointestinal encephalomyopathy
Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is a very rare inherited condition characterized by progressive gastrointestinal and neurological dysfunction.
Terminology
Mitochondrial neurogastrointestinal encephalomyopathy has been known as a number of different names previousl...
Article
Rapidly progressive left ventricular myocardial calcification
Rapidly progressive left ventricular myocardial calcification is a rarely reported phenomenon of severe sepsis and renal failure usually occurring over weeks.
Pathology
The exact etiology is not well known although some attribute it to the release of cardio-suppressing mediators with calcium-p...
Article
Vertebrovenous fistula
Vertebrovenous fistulas are uncommon arteriovenous fistulas between the vertebral artery and the adjacent vertebral venous plexus 1. They can present with a variety of symptoms, including bruits and neurological symptoms and occur either spontaneously, typically in patients with connective tissu...
Article
Levamisole-induced leukoencephalopathy
Levamisole-induced leukoencephalopathy, also known as levamisole-associated multifocal inflammatory leukoencephalopathy, is a rare but likely under-diagnosed demyelinating toxic leukoencephalopathy.
Levamisole is a medication which was previously used to treat parasitic infections, aphthous ulc...
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
Flavoring-related lung disease
Flavoring-related lung disease is a potentially disabling and sometimes fatal lung disease of workers making or using flavourings. It is a form of inhalational lung disease and some also regard it as a form of pneumoconiosis.
Pathology
It is thought to be mostly triggered by volatile α-dicarbo...
Article
Postarthroscopic glenohumeral chondrolysis (PAGCL)
Postarthroscopic glenohumeral chondrolysis (PAGCL) is a rare complication of arthroscopic surgery in which there is rapid dissolution of articular cartilage with degenerative change of the glenohumeral articulation.
Epidemiology
PAGCL is more frequent in young people between 10 and 40 years, a...
Article
Infraorbital nerve block
Infraorbital nerve blocks can be used as part of the management of trigeminal neuralgia or the rarer isolated infraorbital neuralgia. Ultrasound guidance is useful to identify the infraorbital nerve directly as well as identify anatomical variations 1,2.
Indications
infraorbital neuralgia non-...
Article
CLCN2-related leukoencephalopathy
CLCN2-related leukoencephalopathy, also known as leukoencephalopathy with ataxia, is a rare leukodystrophy characterized by mild and slowly progressive ataxia and distinct abnormalities on MRI brain.
Epidemiology
The incidence and prevalence of CLCN2-related leukoencephalopathy is not known, b...
Article
Bright tree appearance (brain)
The bright tree appearance is a radiological pattern appreciated on MRI brain diffusion-weighted sequences in pediatric patients with severe encephalopathy syndromes. The appearance describes widespread restricted diffusion affecting the subcortical white matter, giving the appearance of multipl...