15,252 results found
Article
Adrenal vein sampling
Adrenal vein sampling (AVS) is a procedure where blood is collected from the adrenal veins via catheter to confirm autonomous hormone production, if it is unilateral or bilateral, and to guide further treatment 1. If unilateral, the adrenal gland can be removed by surgery; thus curing secondary ...
Case
Neurosarcoidosis
Published
02 Oct 2010
73% complete
MRI
Case
Cerebellar hemorrhage secondary to arteriovenous malformation
Published
06 Nov 2015
92% complete
CT
DSA (angiography)
Case
Achondroplasia
Published
01 Apr 2010
85% complete
X-ray
Article
Extrapulmonary tuberculosis
Extrapulmonary tuberculosis (TB) refers to the hematogenous spread of Mycobacterium tuberculosis.
Pathology
Extrapulmonary tuberculosis can occur as a primary form of the disease, i.e. direct infection of an extrapulmonary organ without the presence of primary pulmonary tuberculosis or it can ...
Article
Mickey Mouse sign (disambiguation)
In medical imaging, a Mickey Mouse sign or appearance has been given to imaging features that mimic Mickey Mouse when viewed from the front. It has been described in the following:
anencephaly 2
progressive supranuclear palsy 1
synonymously with a finger in glove sign
the flared shape of the...
Case
Brain perfusion - time attenuation curves
Published
13 Aug 2019
29% complete
Diagram
Article
American Society of Neuroradiology
American Society of Neuroradiology (ASNR) was established in 1962 to ensure that neuroradiologists in the United States could freely exchange ideas and act with a common voice. It publishes the American Journal of Neuroradiology (AJNR) and Neurographics.
History
At the VIth Symposium Neuroradi...
Article
Benign enlargement of the subarachnoid space in infancy
Benign enlargement of the subarachnoid spaces in infancy (BESS or BESSI) also known as benign external hydrocephalus (BEH) is, as per the name, a benign enlargement of the subarachnoid spaces in infants. It usually involves the frontal lobe subarachnoid spaces, and it is characterized clinically...
Case
Toxic encephalopathy
Published
19 May 2021
65% complete
MRI
Case
Encephalomalacia - right occipital lobe
Published
26 Apr 2022
92% complete
CT
Article
Intradiploic epidermoid cyst
Intradiploic epidermoid cysts refer to epidermoid cysts that occur in the diploë of the skull.
Clinical presentation
Painless slowly progressive scalp swelling.
Pathology
epidermoid cysts may be congenital (most common, arising from ectodermal inclusion during neural tube closure and subsequ...
Article
Primordial cyst of the mandible
Primordial cysts are infrequent cystic mandibular lesions, which are thought to result from degeneration of dental follicles. No tooth is therefore present, and the cyst is a well defined, small and static lesion, most commonly located posteriorly in the region of the third molar or angle of the...
Case
Internal carotid artery loop
Published
25 May 2024
92% complete
MRI
Article
American Journal of Neuroradiology (AJNR)
American Journal of Neuroradiology (AJNR) is the premier publication of the American Society of Neuroradiology and was first published in 1980 1. Its founding editor was Juan M Taveras (1919-2002), a pioneering American neuroradiologist and co-founder of the American Society of Neuroradiology. I...
Case
Intracerebral hemorrhage secondary to arteriovenous malformation
Published
13 Jul 2021
95% complete
CT
Article
Primary lateral sclerosis
Primary lateral sclerosis (PLS) is a form of motor neuron disease (MND).
Clinical presentation
Diagnosis
The diagnosis is clinical, after exclusion of structural, neurodegenerative and metabolic mimics.
Pathology
It is characterized by a slowly progressive upper motor neuron syndrome.
Rad...
Article
Accessory nerve
The accessory nerve, also called the spinal accessory nerve, or historically, the nerve of Willis, is the eleventh cranial nerve (CN XI) and is composed of two parts, the cranial part and the spinal part (TA: nervus accessorius or nervus cranialis XI).
Connections and course
The cranial part (...
Article
Rosette-forming glioneuronal tumors
Rosette-forming glioneuronal tumors (RGNTs) are rare, usually midline, tumors that involve the fourth ventricle and/or aqueduct of Sylvius.
Although relatively well-circumscribed on MRI and clinically indolent, they often invade surrounding tissues, involving the cerebellum, pons and even the ...
Case
Subgaleal dermoid cyst
Published
02 Dec 2022
71% complete
CT
Ultrasound
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