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Search results for “plan”

Did you mean p in, pain, p an, phan, or plain?
639 results found
Article

Phospholipase A2 associated neurodegeneration

Phospholipase A2 associated-neurodegeneration (PLAN) is an autosomal recessive form of neurodegeneration with brain iron accumulation (NBIA). Clinical presentation PLA2G6-associated diseases have variable syndromes: classic infantile neuroaxonal dystrophy (INAD) atypical neuroaxonal dystroph...
Case

Carotid angioplasty and stenting (CAS): pre-op planning and essential steps

 Diagnosis not applicable
Dr Victor Yang
Published 12 Mar 2010
59% complete
CT
User

Federico Plans

Federico Plans on Radiopaedia.org
Location : Argentina
Primary area interest : General radiology
Level of training : Undergraduate Non-Medicine (year 1)
Public cases : 0
Public playlists : 0
Edits : 0
Article

Coxa plana

Coxa plana is flattening of the femoral head epiphysis and is associated with many skeletal disorders: Legg-Calvé-Perthes disease haemophilic hemarthrosis Gaucher disease hypothyroidism spondyloepiphyseal dysplasia multiple epiphyseal dysplasia hemoglobinopathies, e.g. sickle cell anemi...
Article

Vertebra plana

Vertebra plana (pleural: vertebrae planae), also known as the pancake or silver dollar or coin-on-edge vertebra, is the term given when a vertebral body has lost almost its entire height anteriorly and posteriorly, representing a very advanced compression fracture. Pathology It can occur in a ...
Article

Conventional radiation therapy

Conventional (2D) radiation therapy refers to the old techniques of radiation therapy where treatments would be planned by defining a limited number of beams with the boundaries delineated on orthogonal x-rays of the patient. It has been largely replaced by other highly conformal external beam r...
Article

3D conformal radiation therapy

3D conformal radiation therapy (3D-CRT) is a radiation therapy technique that involves CT planning where the volume to be treated is defined on a 3D data set. Therefore, organs at risk can also be delineated to shield these and reduce treatment side effects. Radiotherapy planning software is use...
Article

Vertebra plana (mnemonic)

Mnemonics to remember the causes of vertebra plana include: I MELT FETISH Mnemonics I MELT I: infection M: metastasis/myeloma E: eosinophilic granuloma L: lymphoma/leukemia T: trauma/tuberculosis FETISH F: fracture (trauma) E: eosinophilic granuloma T: tumor (e.g. metastases, myelom...
Article

Dental implant

Dental implants are a common procedure used to replace absent teeth. Radiology has a role in pre-implant planning as well as post-implant assessment including identification of complications.  Radiographic features Dental cone beam computed tomography (CBCT) is the most common modality used in...
Article

3D printing

3D printing, a term often used synonymously with additive manufacturing, is a process of creating objects from three-dimensional digital information. In most cases, 3D printing is, in fact, additive manufacturing, a process in which objects are built by adding material layer by layer. This proce...
Article

Anorectal disease (summary)

This is a basic article for medical students and other non-radiologists Anorectal disease is a group of conditions that affect the anus and rectum. The most common conditions in this group include hemorrhoids, anal fissures, anorectal abscess and anal fistula. Reference article This is a summ...
Article

Eloquent cortex

Eloquent cortex is a term that refers to specific brain areas that directly controls function, thus damage to these areas generally produces major focal neurological deficits. Examples of eloquent cortex are:  primary motor cortex (precentral gyrus) primary somatosensory cortex (postcentral gy...
Article

Bolger classification of maxillary sinus hypoplasia

The Bolger classification of maxillary sinus hypoplasia proposed by Bolger et al. in 1990 1 takes into account associated anomalies of the uncinate process, which are of utmost importance for planning functional endoscopic sinus surgery (FESS). Maxillary sinus hypoplasia in itself is asymptomat...
Question

Question 1673

A young lady presents with a moderate sized ovarian cyst with peripheral solid elements. An MRI is planned to assess the lesion. Which of the following sequences would you NOT do?

Article

Volume rendering

Volume rendering is a type of data visualization technique which creates a three-dimensional representation of data. CT and MRI data are frequently visualized with volume rendering in addition to other reconstructions and slices.  This technique can also be applied to tomosynthesis data. Volume ...
Article

Symphyseal cleft injection

Symphyseal cleft injections (symphysography) are performed as both diagnostic and therapeutic measures for patients with (suspected) osteitis pubis, usually under CT or fluoroscopy.  Indications suspected or confirmed osteitis pubis Contraindications factors to be considered as per any muscu...
Article

Breast imaging-reporting and data system (BI-RADS) assessment category 0

BI-RADS 0 is one of seven categories from the breast imaging-reporting and data system and is used when imaging is incomplete such as: when further imaging or information is required, e.g. compression, magnification, special mammographic views, ultrasound when requesting previous images not av...
Article

Caval variants

Many caval variants exist, due to the complex embryology of the venous system. These are important for a number of reasons:  not to confuse them with pathology suggest the presence of frequently associated other abnormalities planning of vascular intervention or surgery Types superior vena ...
Article

Cinematic rendering

Cinematic rendering is a novel 3D rendering algorithm that produces a more photorealistic representation of 3D images with enhanced depth and shape perception than achieved with standard volume rendering (VR) 1. It was developed by Siemens Healthineer 2. It is not currently approved for clinical...
Article

Arthrocentesis

Arthrocentesis or joint aspiration is an interventional procedure done for the collection of synovial fluid. History The existence of liquid inside joints was first mentioned in the Corpus Hippocraticum, later in the 16th century, Paracelsus coined the name “synovia” for synovial fluid. Indic...

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