Items tagged “snippet”
136 results found
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
Acetabular dysplasia
Acetabular dysplasia is referred to as a shallow acetabulum, not being able to provide sufficient coverage for the femoral head and thus leading to instability of the hip joint.
Terminology
Acetabular dysplasia is a form of developmental dysplasia of the hip (DDH) often referred to in the adol...
Article
Acetabular version angle
The acetabular version angle or acetabular anteversion angle is a measurement used on cross-sectional imaging especially pelvic CT for the assessment of acetabular morphology.
Usage
The acetabular version angle is influenced by pelvic obliquity and pelvic tilt, which might lead to measurement ...
Article
Glomus coccygeum
The glomus coccygeum or glomus body of the coccyx is a microanatomical structure formed by an arteriovenous anastomosis and represents likely a phylogenetic vestigial structure 1.
Gross anatomy
Glomus bodies are spheroidal or ovoid well-circumscribed vascular lesions. Their size is usually up ...
Article
Femoral neck-shaft angle
The femoral neck-shaft angle (NSA) or caput-collum-diaphyseal (CCD) angle is one of the most frequently applied measurements to assess hip morphology, in particular, the relation of the femoral shaft to the femoral head-neck axis.
Usage
The femoral head-neck-shaft angle is used in the diagnosi...
Article
Venous lacunae (skull)
Venous lacunae, also known as venous lakes, are enlarged venous spaces within the skull, most often in the parasagittal region. They are normal variants and their primary importance is that they may mimic lytic lesions.
Gross anatomy
Venous lacunae are the result of focal venous dilatations ...
Article
Ulnotriquetral ligament
The ulnotriquetral ligament is one of the intracapsular extrinsic palmar ulnocarpal ligaments and a component of the ulnocarpal complex 1-4.
Gross anatomy
The ulnotriquetral ligament forms the anterior and ulnar part of the ulnocarpal joint capsule together with the ulnolunate ligament, with w...
Article
Dermal filler injections
The injection of dermal fillers refers to the injection of biological or synthetic substances into compartments of the skin to achieve a desirable cosmetic outcome either to restore volume loss or to remove wrinkles or both. They can lead to complications, which might require imaging. Furthermor...
Article
Distal humeral fracture
Distal humeral fractures are traumatic injuries involving the epicondyles, the trochlea, the capitellum and the metaphysis of the distal humerus and are often the result of high energy trauma such as road traffic accidents or a fall from a height. In the elderly, they may occur as a domestic acc...
Article
Rhomboid fossa (clavicle)
Rhomboid fossa of the clavicle is recognized as a concave impression of the inferior surface of the sternal (medial) end of the clavicle 1. It is a normal anatomical variant that can be seen unilaterally (more often) or bilaterally.
Epidemiology
It is more common in males than females, and you...
Article
Rich focus
Rich focus is the caseating subpial or subependymal foci of tuberculous infection in the cortex of the brain 2. It becomes important when a tuberculous focus discharges its contents into the subarachnoid space or into the ventricular system resulting in tuberculous meningitis. It is most frequen...
Article
Veil of obscuration sign (shoulder)
Veil of obscuration sign is a sign of posterior shoulder dislocation. It is generally seen on AP radiographs depicting a comminuted fracture of lesser tuberosity that projects over the glenohumeral joint giving rise to a "cloud-like" density or "veil of bone" density, which hides a posterior sho...
Article
Cartilage injury (overview)
The term cartilage injury or articular cartilage injury summarizes a spectrum of different cartilage lesions that are usually used in the context of hyaline cartilage damage within diarthrodial joints.
In a narrower sense, the term cartilage injury describes types of articular injury with spari...
Article
Myocardial ischemia
Myocardial ischemia refers to the result of a mismatch between myocardial oxygen supply and demand as a consequence of the cessation of blood flow resulting in reversible injury or myocardial cell death if prolonged associated with a loss of contractile function.
Epidemiology
The total prevale...
Article
International Frontal Sinus Anatomy Classification
International Frontal Sinus Anatomy Classification (IFAC) result from an expert consensus, developed to improve the ability of the surgeon to understand the possible variations of the frontal recess and frontal sinus anatomy.
Classification
anterior cells: push the drainage pathway of the fron...
Article
Supra agger cell
Supra agger cells are an anatomical variant of the paranasal sinuses, included in the International Frontal Sinus Anatomy Classification.
Gross anatomy
These are an anterior-lateral ethmoidal cell, located above the agger nasi cell (not pneumatizing into the frontal sinus). The supra agger cel...
Article
Intra-articular ganglion cyst
Intra-articular ganglion cysts are ganglion cysts within the joints. They typically show an intracapsular, extra-synovial location. They can occur within all the joints and can present with pain, swelling and sometimes even locking symptoms.
The following ganglion cysts are examples 1-8:
knee
...
Article
Ganglion cysts of the hand and wrist
Ganglion cysts are the most common mass-like lesions of the hand and wrist.
Epidemiology
They are the most common soft-tissue tumors of the hand and occur most frequently in the age group of 20-40 years. Women are more commonly affected 1-3.
Risk factors
Ganglion cysts of the hand and wrists...
Article
Condylar process of the mandible
The condylar process, also called the condyloid process, is the process on the mandible that articulates with the disk of the temporomandibular joint (TMJ).
Gross anatomy
The mandibular condylar process consists of two portions:
condyle
presents an articular surface for articulation with th...
Article
Endocardium
The endocardium defines the inner soft tissue lining of the heart within the cardiac chambers and constitutes the superficial surface of the cardiac valves. It apparently serves as a regulatory mechanism on myocardial contractility.
Gross anatomy
The endocardium represents the inner layer of t...
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