Items tagged “case3”

243 results found
Article

European Thyroid Association TIRADS

EU-TIRADS is a reporting system designed by the European Thyroid Association for ultrasound assessment of thyroid nodules and stratification of requirement for FNA and malignancy. This system was based on an established French system, with validated results 2,3. This is a five stage system usin...
Article

Acute abdominal pain

Acute abdominal pain is a common acute presentation in clinical practice. It encompasses a very broad range of possible aetiologies and diagnoses, and imaging is routinely employed as the primary investigative tool in its modern management. Terminology A subgroup of patients with acute abdomin...
Article

Gallbladder cancer

Gallbladder cancer is relatively uncommon compared to other hepatobiliary malignancies. Pathology Primary gallbladder carcinoma gallbladder adenocarcinoma: most common 1 gallbladder squamous cell carcinoma gallbladder neuroendocrine carcinoma gallbladder sarcoma: very rare 2 gallbladder ...
Article

Radiation-induced organising pneumonia

Radiation-induced organising pneumonia (RIOP) is considered a form of inflammatory lung disease occasionally observed usually after irradiation to the breast. It is classified as a type of secondary organising pneumonia that is characterised by infiltrative opacification "outside" the irradiated...
Article

Ectopic meningioma

An ectopic meningioma (or primary ectopic meningioma) refers to rare situations where a meningioma arises outside the dura without any connection to the dura, distinguishing it from meningiomas with extracranial or extraspinal growth. Clinical presentation Ectopic meningiomas can occur at vari...
Article

Subacute encephalopathy with seizures in alcoholics (SESA syndrome)

Subacute encephalopathy with seizures in alcoholics (SESA syndrome) is a rare complication of chronic alcohol use that can present with seizures and a variety of neurological deficits.  Epidemiology SESA syndrome is rare and seen in alcoholics who are not undergoing withdrawal 1-3.  Clinical ...
Article

Nitrofurantoin related lung changes

Nitrofurantoin related lung disease refers to a spectrum of lung changes that can be precipitated by nitrofurantoin use. Epidemiology Nitrofurantoin-induced lung injury is uncommon where a considerable number of reported publications likely reflect the widespread use of the drug rather than th...
Article

Osteitis

Osteitis is an inflammation of the bone, usually in the context of inflammatory arthropathy. Terminology Osteitis refers only to the inflammation of bony structures, in particular the cortex (non-medullary infection or infectious osteitis) 1-3. If there is infectious involvement of the medulla...
Article

Umbilical arterial pulsatility index

Umbilical arterial pulsatility index (UA-PI) is a parameter used in umbilical arterial (UA) Doppler assessment. It is calculated by subtracting the end-diastolic velocity (EDV) from the peak systolic velocity (PSV) and then dividing by the time-averaged (mean) velocity (TAV): PI = (PSV - EDV) /...
Article

Umbilical arterial systolic / diastolic ratio

Umbilical arterial systolic/diastolic (S/D) ratio is a parameter used in obstetric imaging as part of umbilical arterial (UA) Doppler assessment. It is the ratio between the systolic velocity and the diastolic velocity. Practical points The reference range varies through the stage of pregnancy...
Article

Third inflow

Third inflow refers to anatomical variants leading to an additional venous inflow to the liver apart from the usual dual blood supply (portal vein and hepatic artery). They tend to be associated with parenchymal pseudolesions (focal hyperenhancement on post-contrast imaging, focal fat infiltrati...
Article

Fibrosarcoma

Fibrosarcomas are malignant tumours of fibroblast origin. They are a type of soft tissue sarcoma that can be grouped by patient age, i.e. adult fibrosarcoma and infantile fibrosarcoma, and/or anatomical region, for example: fibrosarcoma of the breast fibrosarcoma of the chest wall fibrosarcom...
Article

Lateral humeral line

The lateral humeral line is used to confirm the alignment of the paediatric radiocapitellar joint in the coronal plane 1. This is particularly important in injuries such as a Monteggia fracture-dislocation or in a radial neck fracture. Measurement The lateral humeral line is drawn on a paediat...
Article

Acetabular index

The acetabular index, also known as the acetabular roof angle or Tönnis angle, is a radiographic measurement of acetabular inclination. It is useful in assessing for developmental dysplasia of the hip (DDH) as well as pincer morphology in femoroacetabular impingement (FAI). Measurement The ace...
Article

Radiation recall pneumonitis

Radiation recall pneumonitis is a rare reaction occurring in previously irradiated areas of pulmonary tissue after the application of triggering agents (e.g. chemotherapeutic agents, immunomodulators). It is not thought to be due to the direct effect of radiation. Classically this has been descr...
Article

Deep endometriosis (transvaginal ultrasound)

Transvaginal ultrasound (TV) for deep endometriosis is a specialised ultrasound technique used for the detection of deep endometriosis (DE). It differs from a traditional pelvic ultrasound in that the scan is extended beyond the uterus and ovaries to assess the anterior and posterior pelvic comp...
Article

Foot injection (disambiguation)

Foot injection is a non-specific term often used by patients, about tarsal or metatarsal joint injections and to other procedures which include:​ calcaneocuboid joint injection metatarsophalangeal joint (MTPJ) injection naviculocuneiform joint injection plantar fascia injection plantar fasc...
Article

Pembrolizumab-induced sarcoid-like reaction

Pembrolizumab-induced sarcoid-like reaction (c.2019) is a phenomenon which has been associated with the use of the programmed cell death protein 1 (PD1) inhibitor pembrolizumab. It could be mistaken for metastatic disease in some situations. See also  drug induced lung disease immune checkpoi...
Article

ARCO classification of femoral head osteonecrosis

The ARCO classification (Association Research Circulation Osseous classification) is one of the staging systems used to assess femoral head osteonecrosis. It was created in 1994 and periodically revised. The revision from 2019 2 includes using radiographs and MRIs. Classification stage 0 ​pla...
Article

Synovium

The synovium (plural: synoviums, not synovia) or synovial membrane is a soft tissue lining of joints bursae and tendon sheaths and seems to be responsible for the secretion and absorption of synovial fluid components, whereby the synovial fluid arises from leakage of the intimal capillaries 1-4....

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