Items tagged “cases”
5,499 results found
Article
Mass-forming chronic pancreatitis
Mass-forming chronic pancreatitis occurs in around 30% of cases of chronic pancreatitis, where a mass or a focal enlargement of the pancreas is usually seen on imaging. In many instances, it poses a challenge as the epidemiology and imaging appearances overlap those of pancreatic adenocarcinoma....
Article
Latissimus dorsi injury
Latissimus dorsi muscle injuries refer to muscle injuries of the latissimus dorsi muscle or tendon and have gained increasing awareness as sports injuries.
Epidemiology
The injury is fairly uncommon and mainly seen in overhead athletes, e.g. professional baseball pitchers 1.
Risk factors
ov...
Article
Cannonball metastasis (mnemonic)
Cannonball metastases refer to multiple large, well-circumscribed, round pulmonary metastases. Numerous primary tumors have been described presenting with cannonball metastases, however, some primary tumors have a predilection for this presentation.
It should be noted that it is difficult to f...
Article
Myocardial injury
Myocardial injury is defined by an elevation of cardiac troponin values above the 99th percentile upper reference limit. It is considered a prerequisite for the diagnosis of myocardial infarction but also an entity in itself and can arise from non-ischemic or non-cardiac conditions 1,2.
Termino...
Article
Subcutaneous infrapatellar bursa
The subcutaneous or superficial infrapatellar bursa is one of many bursae surrounding the knee joint and shares the name with its deep counterpart.
Gross anatomy
It is located in the subcutaneous tissue between the distal patellar tendon insertion at the tibial tuberosity and the overlying ski...
Article
Lateral ankle sprain
Lateral ankle sprains are defined as traumatic injury to the lateral ankle ligament complex due to an inversion injury or plantar flexion and adduction and are one of the most common injuries in sportive as well as recreational activities.
Epidemiology
Lateral ankle sprains are the most common...
Article
Calcaneofibular ligament injury
Calcaneofibular ligament injuries typically occur in conjunction with an anterior talofibular ligament injury within the scope of a lateral ankle sprain and are rarely found isolated. These injuries can comprise either ligament tears, avulsion fractures, or both.
Epidemiology
The calcaneofibul...
Article
Snoopy sign
The Snoopy sign is a chest radiographic appearance in pericardial agenesis. It is due to combination of cardiac levoposition (heart shifted to the left), lengthening and flattening of the border of the left ventricle, radiolucency separating the left ventricle and left hemidiaphragm, radiolucenc...
Article
Shoulder protocol (MRI)
The MRI shoulder protocol encompasses a set of different MRI sequences for the routine assessment of the shoulder joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the shoulder joint. Protocol specifics will vary depending on MRI scanner type, sp...
Article
Hip protocol (MRI)
The MRI hip protocol encompasses a set of different MRI sequences for the routine assessment of the single hip joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of a single hip joint. Protocol specifics will vary depending on MRI scanner type, speci...
Article
Ankle protocol (MRI)
The MRI ankle protocol encompasses a set of MRI sequences for the routine assessment of the ankle joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the ankle. Protocol specifics will vary depending on MRI scanner type, specific hardware and softw...
Article
Wrist protocol (MRI)
The MRI wrist protocol encompasses a set of MRI sequences for the routine assessment of the wrist joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the wrist. Protocol specifics will vary depending on MRI scanner type, specific hardware and softw...
Article
Elbow protocol (MRI)
The MRI elbow protocol encompasses a set of different MRI sequences for the routine assessment of the elbow joint.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the elbow joint. Protocol specifics will vary depending on MRI scanner type, specific h...
Article
Gastritis
Gastritis (plural: gastritides) refers to any form of mucosal inflammation of the stomach and can sometimes be part of a wider gastroenteritis. It may have acute or chronic forms.
Pathology
There are different types of gastritis, including:
acute gastritis
atrophic gastritis
emphysematous g...
Article
Fat metaplasia
Fat metaplasia refers to the replacement or infiltration of subchondral bone and bone marrow with tissue exhibiting fat signal on MRI.
Pathology
The nature of this tissue histologically is not well-known and does not necessarily correspond to the simple replacement of red marrow by yellow.
Ra...
Article
Embedded organ sign
The embedded organ sign is used to help localize a mass and define the organ from which it originates. When a mass extrinsically compresses an adjacent organ (such as inferior cava vein and gastrointestinal tract) it gives the organ a crescent shape, which is called a negative embedded organ si...
Article
Phantom organ sign
The phantom organ sign is a term used when a large mass arises from a small organ and as a consequence, it is impossible to detect the affected organ.
The identification of this sign and other radiological signs such as the embedded organ sign, beak sign, and prominent feeding artery sign on CT...
Article
Myocardial infarction with non-obstructive coronary arteries
Myocardial infarction with non-obstructive coronary arteries (MINOCA) is referred to as a syndrome characterized by the clinical characteristics of myocardial infarction but with normal coronary arteries or no significant coronary stenosis on coronary angiography.
Epidemiology
The suggested pr...
Article
MSK pelvis protocol (MRI)
The MRI pelvis protocol encompasses a set of MRI sequences for the routine assessment of the pelvis.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the pelvis in the setting of suspected musculoskeletal pathology. Protocol specifics will vary dependi...
Article
Sacroiliac joint protocol (MRI)
The MRI sacroiliac joint protocol encompasses a set of MRI sequences for the routine assessment of sacroiliac joints.
Note: This article aims to frame a general concept of an MRI protocol for the assessment of the sacroiliac joint. Protocol specifics will vary depending on MRI scanner type, spe...
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