Items tagged “cases3”
344 results found
Article
Acceleration index
Acceleration index is an indirect sonographic sign to assess renal artery stenosis 1.
Usage
Acceleration index is used in the Doppler assessment of the renal arteries when assessing for renal artery stenosis.
Measurement
Acceleration index is calculated by subtracting the initial systolic ve...
Article
Carotid arteries
The carotid arteries is used as a collective term for:
common carotid artery (CCA)
and its two terminal branches
external carotid artery (ECA)
internal carotid artery (ICA)
These arteries provide the vast majority of the arterial supply to the head and neck region and central nervous system...
Article
Heat-related illness
Heat-related illnesses are on the increase due to increasing global temperatures. The normal physiological response to excessive heat is known as heat stress and although uncomfortable is generally not considered pathological. If this is not alleviated, then a true heat illness may result, which...
Article
Solitary circumscribed neuroma
Solitary circumscribed neuromas, also known as palisaded encapsulated neuromas, are benign tumors primarily occurring in the cutaneous tissues of the face, often at the mucocutaneous border 1.
Epidemiology
Although they can occur at any age, there is a predilection for later middle age (40-6...
Article
Residual tumor classification
Residual tumor classification, also known as R classification, defines how complete the resection of a malignancy has been at surgery. It has an important prognostic implication.
Classification
R0: no residual tumor
R1: microscopic residual tumor
R2: macroscopic residual tumor
An R0 resecti...
Article
Bronchiectasis Radiologically Indexed CT Score
The Bronchiectasis Radiologically Indexed CT Score (BRICS) is a severity assessment score for bronchiectasis, developed from a cohort of patients with idiopathic and postinfectious bronchiectasis, and was developed by combining the parameters of bronchial dilatation and number of bronchopulmonar...
Article
Myocardial necrosis
Myocardial necrosis refers to the cell death of cardiomyocytes and represents one pathologic correlate in the setting of myocardial injury and/or myocardial infarction.
Clinical presentation
Many clinical scenarios leading to myocardial necrosis will lead to some form of cardiac symptoms such ...
Article
Retiform hemangioendothelioma
Retiform hemangioendotheliomas or hobnail hemangioendotheliomas are intermediate locally aggressive and rarely metastasizing vascular neoplasms with a distinctive hobnail endothelial cell morphology.
Epidemiology
Retiform hemangioendotheliomas are rare with <100 cases reported in the literatur...
Article
Superficial CD34-positive fibroblastic tumor
Superficial CD34-positive fibroblastic tumors (SCPFT) or PRDM10-rearranged soft tissue tumors are rare low-grade mesenchymal neoplasms of the dermis and subcutis 1-3 that have been just added to the WHO classification of soft tissue tumors in 2020 2,3.
Epidemiology
Superficial CD34-positive fi...
Article
EWSR1-SMAD3-positive fibroblastic tumor
EWSR1-SMAD3-positive fibroblastic tumors are benign mesenchymal neoplasms with different morphologies and a provisional name that have been just recently characterized (c.2018) 1-4 and added to the WHO classification of soft tissue tumors in 2020 2,3.
Epidemiology
EWSR1-SMAD3-positive fibrobla...
Article
Giant cell fibroblastoma
Giant cell fibroblastomas are locally aggressive mesenchymal neoplasms closely related to dermatofibrosarcoma protuberans.
Epidemiology
Giant cell fibroblastomas are rare. They are usually but not exclusively found in children within the first decade of life, adult cases are rare. Boys are mor...
Article
Anastomosing hemangioma
Anastomosing hemangiomas are benign vascular neoplasms consisting of thin-walled anastomosing vessels. These lesions have been just added to the WHO classification of soft tissue tumors in 2020 as a separate entity 1-3
Epidemiology
Anastomosing hemangiomas are rare lesions with a wide range of...
Article
Inflammatory leiomyosarcoma
Inflammatory leiomyosarcomas are malignant tumors with smooth muscle differentiation and a prominent inflammatory infiltrate that were recognized as a distinct entity by the WHO in 2020 1-3.
Epidemiology
Inflammatory leiomyosarcomas are very rare lesions with most cases seen in adults with a p...
Article
NTRK-rearranged soft tissue neoplasm
NTRK-rearranged soft tissue neoplasms (emerging), lipofibromatosis-like neural tumors or NTRK-positive tumor-resembling peripheral nerve sheath tumors are a group of rare molecularly defined spindle cell neoplasms excluding infantile fibrosarcoma 1.2. The tumors form a provisional category of un...
Article
Brachial artery Doppler assessment for detecting endothelial dysfunction
Brachial artery Doppler assessment for detecting endothelial dysfunction is performed for detecting and classifying endothelial dysfunction by measuring the vascular dilation of the brachial artery, which is highly related to coronary endothelial dysfunction 1,4.
This test is generally indicate...
Article
Renal autotransplant
A renal autotransplant is an uncommon procedure in which a kidney is resected from its native site and implanted in a new location.
Indications
This infrequently performed procedure is most commonly done for 1,3:
loin pain hematuria syndrome
ureteric stricture
vascular disease
...
Article
Pelvic phlebography
Pelvic phlebography or pelvic venography is an interventional procedure, in which the pelvic and gonadal veins are opacified to assess venous and collateral system anatomy for the diagnosis, treatment and pre-operative planning of pelvic vein pathology.
This procedure is usually performed at th...
Article
Investigating amblyopia (summary)
This is a basic article for medical students and other non-radiologists
Amblyopia, often referred to as a "lazy eye", is a vision development disorder where an eye fails to achieve normal visual acuity, despite the use of prescription spectacles or contact lenses.
Reference article
This is a ...
Article
Pericardial involvement in end stage renal disease
Pericardial involvement in end stage renal disease is not uncommon in those with end stage renal disease and can occur as acute or chronic forms.
Acute forms are considered more commoner and can comprise of
uremic pericarditis
other dialysis associated pericarditis
Chronic forms are less com...
Article
Soft tissue
Soft tissue is a term used for all the supporting tissues in the body that are not calcified or ossified; therefore soft tissue excludes bone and teeth.
Soft tissue includes:
skin
fat
muscle
tendons
ligaments
fibrous tissues
vasculature
Soft tissue generally excludes the internal body o...