Articles

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16,858 results found
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Conus medullaris

The conus medullaris is the tapered inferior-most part of the spinal cord to which is attached the film terminale. Gross anatomy The conus medullaris is conical in shape, tapering from the distal spinal cord to a narrow point from which a delicate strand of fibrous tissue called the filum term...
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Spinal cord

The spinal cord is the part of the central nervous system found within the vertebral column's spinal canal. The cord extends from the corticomedullary junction at the foramen magnum of the skull down to the tip of the conus medullaris within the lumbar cistern. It is lined by the spinal pia mate...
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Skull

The skull (TA: cranium) is the superior-most part of the human skeleton and houses the brain and includes the skeletal elements of the face. It consists of numerous bones connected to each other by sutures which renders them immobile. Terminology Variability in which bones to include and how t...
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Lung cancer (staging - IASLC 8th edition)

The IASLC (International Association for the Study of Lung Cancer) 8th edition lung cancer staging system was introduced in 2016 and supersedes the IASLC 7th edition. It is a TNM staging system. Standard-of-care lung cancer staging ideally should be performed in a multidisciplinary meeting usin...
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Lung atelectasis

Lung atelectasis (plural: atelectases) refers to the collapse or incomplete expansion of pulmonary parenchyma.  Terminology Atelectasis may be used synonymously with collapse, but some authors reserve the term “atelectasis” for partial collapse, not inclusive of total atelectasis of the affect...
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Distal radial fracture

Distal radial fractures are a heterogeneous group of fractures that occur at the distal radius and are the dominant fracture type at the wrist. These common fractures, representing ~15% of all fractures 7, usually occur when significant force is applied to the distal radial metaphysis.  Epidemi...
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Encephalocele

Encephalocele, also known as meningoencephalocele, is a form of neural tube defect and a type of cephalocele where brain tissue and overlying meninges herniate out through a defect in the cranium.  Terminology Although the terms encephalocele and meningoencephalocele are often used interchange...
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Gynecologic Imaging-Reporting and Data System (GI-RADS)

The Gynecologic Imaging-Reporting and Data System (GI-RADS) is a reporting system that was created for reporting the findings in adnexal masses based on transvaginal ultrasonography. Classification Findings are classified into five categories 1: GI-RADS 1 normal ovaries identified and no adn...
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Hypertensive microangiopathy

Hypertensive microangiopathy, also referred to as chronic hypertensive encephalopathy, hypertensive arteriopathy, hypertensive arteriolosclerosis, and hypertensive small vessel disease, is a form of sporadic cerebral small vessel disease that results from the sustained effects of elevated system...
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SRU management guidelines for gallbladder polyps

The Society of Radiologists in Ultrasound (SRU) consensus recommendation for the management of incidentally detected gallbladder polyps was published in 2021 1. Usage The SRU consensus recommendation is one of many guidelines for the management of incidentally detected gallbladder polyps. The ...
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CheckList for EvaluAtion of Radiomics research (CLEAR)

The CheckList for Evaluation of Radiomics Research (CLEAR) is a 58-item reporting guideline designed specifically for radiomics. It aims to improve the quality of reporting in radiomics research 1. CLEAR is endorsed by the European Society of Radiology (ESR) and the European Society of Medical I...
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Radiomics quality score

The radiomics quality score (RQS) assesses the characteristics and, ultimately, the quality of a radiomics study, including its reporting. The score has thirty-six potential points given based on sixteen criteria, with a score of thirty-six indicating superlative quality. The criteria emphasize ...
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Lund-Mackay score

The Lund-Mackay score is a CT-based scoring system for chronic rhinosinusitis 1 and is popular due to its simplicity and high inter and intra-observer reliability 6,7. Lund-Mackay score When reading a CT scan of the paranasal sinuses and ostiomeatal complex, the reader assigns each sinus a sco...
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Ulnar artery

The ulnar artery is a terminal branch of the brachial artery, arising at the proximal aspect of the forearm. Along with the radial artery, it is one of the main arteries of the forearm.  Summary origin: terminal branch of the brachial artery location: inferior aspect of the cubital fossa sup...
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Radial artery

The radial artery is a terminal branch of the brachial artery and arises at the cubital fossa of the forearm. It is one of the two main arteries of the forearm, along with the ulnar artery. Summary origin: terminal branch of the brachial artery location: inferior aspect of the cubital fossa ...
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Deep palmar arch

The deep palmar arch is the terminal branch of the radial artery, usually forming an anastomosis with the ulnar artery 1. The radial artery enters the palm in between the oblique and transverse heads of adductor pollicis muscle, coursing across the palm approximately 1 cm proximal to the superf...
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Superficial palmar arch

The superficial palmar arch originates as the terminal branch of the ulnar artery, distal to the flexor retinaculum 1. It is located superficial to the long flexor tendons of the digits and deep to the palmar aponeurosis. The superficial palmar arch travels distally, then laterally across the m...
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Arterial supply to the hand

The arterial supply to the hand is comprised of a complex vascular network formed from the branches and distal continuations of the radial and ulnar arteries. This rich vascular network can be divided into palmar and dorsal components. Palmar arterial supply The palmar arterial supply can be d...
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Medical abbreviations and acronyms (B)

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter B and may be encountered in medicine and radiology (please keep both the main list and any sublists in alphabetic order). A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q...
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Normal upper limb imaging examples

This page lists examples of normal imaging of the upper limb, divided by region and modality. Shoulder girdle plain radiograph sternoclavicular joint: example clavicle: example, example 2, example 3 bilateral clavicle: example 1 acromioclavicular joint example 1 example 2 shoulder exam...

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