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.
16,861 results found
Article
Electrical impedance tomography
Electrical impedance tomography (EIT) is a type of imaging based on sending small amounts of electrical current across tissue (when used for medical imaging) and measuring conductivity.
Terminology
There are several ways in which the EIT signal can be generated and processed, and these are oft...
Article
Acute abdominal series
The acute abdominal series is a common set of abdominal radiographs obtained to evaluate bowel gas.
Indications
The acute series is used for a variety of indications including:
determine the amount of bowel gas, with possible bowel distention
assess air-fluid levels
query pneumoper...
Article
Fibularis longus muscle
The fibularis longus muscle (also known as peroneus longus muscle) is one of the muscles of the lateral compartment of the leg.
Summary
origin: head of the fibula
insertion: first metatarsal and medial cuneiform
innervation: superficial peroneal nerve (superficial fibular nerve)
action: foo...
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
Insertional cyst
Insertional cysts are usually well-defined, smooth-walled intraosseous cysts found at the insertion sites of tendons and ligaments.
Pathology
Etiology
They are thought to be a consequence of bone resorption due to chronic traction and avulsion stresses at the insertional sites of tendons and ...
Article
Pleural mouse
A pleural mouse (plural: pleural mice), also known as a fibrin body is a 1-2 cm mobile rounded clump of fibrin left over after resolution of a pleural effusion 1.
Article
Archives of Clinical Skiagraphy
Archives of Clinical Skiagraphy was the first radiology scientific journal in the world with its first edition issued in May 1896. This is only six months after the discovery of x-rays by Wilhelm Roentgen on 8th November 1895.
In 1897 Archives of Skiagraphy was renamed Archives of the Roentgen...
Article
Assessment of thyroid lesions (ultrasound)
Ultrasound is the first-line imaging modality for assessment of thyroid nodules found on clinical examination or incidentally on another imaging modality. This article is an overview of ultrasonographic features of thyroid nodules, which are used to determine the need for biopsy with fine needle...
Article
RadioGraphics
RadioGraphics is a review journal published by the Radiological Society of North America (RSNA), its first edition issued in 1981 1. Radiology is a sister journal. Its current editor is Dr Christine "Cooky" O Menias.
History
In 1980, as the RSNA editor of educational materials, Dr William J Tu...
Article
American X-Ray Journal
The American X-Ray Journal was the first radiology journal in the United States. Its first issue was published in May 1897, its founder and first editor was an American physician Heber Robarts (1852-1922), who took an early keen interest in the new Roentgen rays. Robarts was also a co-founder of...
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...
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...
Article
Neurographics (journal)
Neurographics is a bimonthly review journal publication by the American Society of Neuroradiology and was first published in 2011.
In 2011, at the behest of Mauricio Castillo, Editor of Chief of AJNR, a new review journal, Neurographics, was published, initially quarterly, now bimonthly, by the...
Article
Hematuria (adult)
Hematuria occurs when blood enters the urinary collecting system and is excreted in the urine. There are many etiologies for hematuria, and they range from benign and transient to gravely concerning. Hematuria can derive from the kidneys, ureters, bladder, prostate (in men), or urethra. Imaging ...
Article
Skeletal survey (overview)
The skeletal survey is a radiographic series performed to survey the entire skeleton (axial skeleton, upper and lower limbs) for pathology or injury. Specific projections vary depending on the clinical indication and the institution's protocol.
There are various clinical indications that may wa...
Article
Bowl of grapes sign
The bowl of grapes sign has been described in synovial sarcoma. It refers to the characteristic multilobulated lesion subdivided by multiple septa, forming large cystic foci with regions of hemorrhage.
Article
Psoriasis
Psoriasis is an inflammatory dermatological disease with several variants. The most common variant is plaque psoriasis, other variants of the disease are guttate, erythrodermic and pustular psoriasis 1.
Epidemiology
There is a geographic variation in the prevalence of psoriasis such that popul...
Article
Classification of ductal carcinoma in situ (DCIS)
The new pathological classification of DCIS (ductal carcinoma in situ) is based on cytonuclear atypia, degree of necrosis, size, and distance from margin/architecture. Low and intermediate grades DCIS require cytologic, architectural and size criteria to be met but high-grade DCIS requires only ...
Article
Lamina cribrosa sclerae
The lamina cribrosa sclerae, also known as lamina cribrosa of the sclera, is a net-like structure covering a small hole in the posterior sclera through which the optic nerve (cranial nerve II), central retinal artery and central retinal vein pass.
Article
Lesions of the prepatellar quadriceps continuation
Lesions of the prepatellar quadriceps continuation are partial or complete tears of the prepatellar quadriceps continuation, that can occur with or without patellar or quadriceps tendon tears and can cause anterior knee pain.
Pathology
Disruption and separation of prepatellar quadriceps conti...
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