Items tagged “core condition”

361 results found
Article

Aortic intramural hematoma

Aortic intramural hematoma (IMH) is an atypical form of aortic dissection due to hemorrhage into the wall from the vasa vasorum without an intimal tear. It is part of the acute aortic syndrome spectrum. Epidemiology Typically aortic intramural hematomas are seen in older hypertensive patients....
Article

Cecal volvulus

Cecal volvulus describes torsion of the cecum around its mesentery which often results in obstruction. If unrecognised, it can result in bowel perforation and fecal peritonitis. Epidemiology Cecal volvulus accounts for ~10% of all intestinal volvuluses, and generally occur in somewhat younger ...
Article

Croup

Croup, also known as acute laryngotracheobronchitis, is due to viral infection of the upper airway by parainfluenza virus or respiratory syncytial virus (RSV). Although imaging findings are not required for the diagnosis, classic findings of narrowing of the subglottic airway and dilatation of ...
Article

Ectopic pregnancy

Ectopic pregnancy refers to the implantation of a fertilised ovum outside of the uterine cavity. Epidemiology The overall incidence has increased over the last few decades and is currently thought to affect 1-2% of pregnancies. The risk is as high as 18% for first trimester pregnancies with bl...
Article

Ischemic colitis

Ischemic colitis refers to inflammation of the colon secondary to vascular insufficiency and ischemia. It is sometimes considered under the same spectrum as intestinal ischemia. The severity and consequences of the disease are highly variable. Epidemiology Ischemic bowel is typically a disease...
Article

Nephrogenic systemic fibrosis

Nephrogenic systemic fibrosis (NSF), also known as nephrogenic fibrosing dermopathy, is a complication of gadolinium-based contrast agents used in MRI. It is characterized by "firm, erythematous, and indurated plaques of the skin associated with subcutaneous edema" 1. Eventually, flexure contra...
Article

Scaphoid fracture

Scaphoid fractures (i.e. fractures through the scaphoid bone) are common, in some instances can be difficult to diagnose, and can result in significant functional impairment. Epidemiology Scaphoid fractures account for 70-80% of all carpal bone fractures 1. Although they occur essentially at a...
Article

AAST spleen injury scale

The American Association for the Surgery of Trauma (AAST) splenic injury scale, most recently revised in 2018, is currently the most widely used grading system for splenic trauma. The 2018 update incorporates "vascular injury" (i.e. pseudoaneurysm, arteriovenous fistula) into the imaging criter...
Article

Subarachnoid hemorrhage

Subarachnoid hemorrhage (SAH) is a type of extra-axial intracranial hemorrhage and denotes the presence of blood within the subarachnoid space. Epidemiology Patients tend to be older middle age, typically less than 60 years old 2. Subarachnoid hemorrhage accounts for 3% of stroke and 5% of str...
Article

Subdural hemorrhage

Subdural hemorrhage (SDH) (also commonly called a subdural hematoma) is a collection of blood accumulating in the subdural space, the potential space between the dura and arachnoid mater of the meninges around the brain. SDH can happen in any age group, is mainly due to head trauma and CT scans ...
Article

Thoracic aortic injury

Thoracic aortic injury is the most common type of traumatic aortic injury and is a critical life-threatening, and often life ending event.  Clinical presentation Approximately 80% of patients with thoracic aortic injury die at the scene of the trauma. In those who make it to hospital, clinical...
Article

Perimesencephalic subarachnoid hemorrhage

Perimesencephalic subarachnoid hemorrhage (PMSAH) is a distinct pattern of subarachnoid hemorrhage (SAH), which is centered on the basal cisterns around the midbrain. Epidemiology Perimesencephalic subarachnoid hemorrhage is rare with an incidence of 0.5 in 100 000 in adults 4. PMSAH represent...
Case

Burst lumbar fracture

 Diagnosis certain
A.Prof Frank Gaillard
Published 24 Sep 2008
83% complete
X-rayMRI
Article

Renal vascular pedicle injury

Renal vascular pedicle injury  is a severe form of renal trauma, which if not recognized and treated expediently with lead to the loss of the kidney.  Radiographic features CT Contrast enhanced CT is the Imaging modality of choice. On CT it is recognized as a non-enhaning kidney. Perirenal he...
Article

Intracerebral hemorrhage

An intracerebral hemorrhage, or intraparenchymal cerebral hemorrhage, is a subset of an intracranial hemorrhage. This can encompass a number of entities that share the acute accumulation of blood in the parenchyma of the brain. The etiology, epidemiology, treatment and prognosis vary widely depe...
Article

Perforated appendix

A perforated appendix is one of the complications of acute appendicitis. If appendicitis is left untreated, ischemic necrosis of a portion of appendiceal wall may occur, leading to perforation. An appendicolith is thought to be associated with a higher probability of perforation 1. Epidemiology...
Article

Sigmoid volvulus

Sigmoid volvulus is a cause of large bowel obstruction and occurs when the sigmoid colon twists on its mesentery, the sigmoid mesocolon. Epidemiology Large bowel volvulus accounts for ~5% of all large bowel obstructions, with ~60% of intestinal volvulus involving the sigmoid colon 6. It is mor...
Case

Intussusception

 Diagnosis certain
A.Prof Frank Gaillard
Published 03 Jul 2009
82% complete
X-rayUltrasoundFluoroscopy
Case

Lipohemarthrosis

 Diagnosis certain
Dr Jeremy Jones
Published 23 Aug 2009
69% complete
X-rayAnnotated image
Article

Acute superior mesenteric artery occlusion

Acute superior mesenteric artery (SMA) occlusion, which can then result in acute mesenteric ischemia, can be a life-threatening event related to the artery supplying the majority of the small bowel and right side of the colon.  Epidemiology  An acute occlusion is an uncommon event that typical...

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