Items tagged “rg_38_5_edit”

14 results found
Article

Anterior inferior iliac spine avulsion injury

Anterior inferior iliac spine (AIIS) avulsion injuries are one of the six main types of pelvic apophyseal avulsion fractures. Subacute or chronic avulsion injuries can be mistaken for a pseudotumour.  Epidemiology As with many pelvic avulsion injuries, they most often occur in adolescents (mos...
Article

Intestinal ischemia

Intestinal ischemia refers to vascular compromise of the bowel which in the acute setting has a very high mortality if not treated expediently. Diagnosis is often straightforward, provided appropriate imaging is obtained and sometimes subtle findings sought out. The disease can be arbitrarily cl...
Article

Osteochondral defect

Osteochondral defects are focal areas of articular damage with cartilage damage and injury of the adjacent subchondral bone.  Terminology Osteochondral defect is a broad term that describes the morphological change of a localised gap in the articular cartilage and subchondral bone 5. It is oft...
Article

Spontaneous osteonecrosis of the knee

Spontaneous osteonecrosis of the knee, also known as Ahlback disease, SONK or even SPONK, has similar appearances to osteochondritis dissecans of the knee but is found in an older age group. Epidemiology SONK is seen more frequently in women (M:F 1:3) and affects older patients, typically over...
Article

Crohn disease

Crohn disease, also known as regional enteritis, is an idiopathic inflammatory bowel disease characterized by widespread discontinuous gastrointestinal tract inflammation. The terminal ileum and proximal colon are most often affected. Extraintestinal disease is common. Epidemiology The diagnos...
Article

Acute superior mesenteric artery occlusion

Acute superior mesenteric artery occlusion, which can then result in an 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 typically ...
Article

CT hypotension complex

CT hypotension complex refers to the predominantly abdominal imaging features that occur in the context of profound hypotension. Multiple abdominal organs can display atypical appearances not related to the initial trauma but reflect alterations in perfusion secondary to hypovolemia which affect...
Article

Adenomyosis

Adenomyosis is a common, benign uterine pathology. It is thought by many to be on the spectrum of endometriosis, with ectopic endometrial tissue in the myometrium. Adenomyosis may present with menorrhagia and dysmenorrhea. Ultrasound and MRI are imaging modalities that may show characteristic fi...
Article

Uterine leiomyoma

Uterine leiomyomas, also referred as uterine fibroids, are benign tumors of myometrial origin and are the most common solid benign uterine neoplasms. Commonly an incidental finding on imaging, they rarely cause a diagnostic dilemma. There are various medical, surgical and interventional treatmen...
Article

Acute superior mesenteric vein thrombosis

Acute superior mesenteric vein thrombosis is one of the less common causes of intestinal ischemia. Often despite thrombosis of the SMV, small bowel necrosis does not occur, presumably due to persistent arterial supply and some venous drainage via collaterals.   For a general discussion refer to...
Article

Small bowel ischemia

Small bowel or mesenteric ischemia may be a life-threatening condition, arising from any one of numerous causes of disturbance of the normal blood flow through the small bowel wall.  Pathology It can be divided into acute and chronic forms, with the main underlying etiologies (each discussed s...
Article

Lower gastrointestinal bleeding

Lower gastrointestinal bleeding (LGIB) is defined as that occurring distal to the ligament of Treitz (i.e. from the jejunum, ileum, colon, rectum or anus) and presenting as either hematochezia (bright red blood/clots or burgundy stools) or melena. Epidemiology The incidence of lower gastrointe...
Article

Intestinal angioedema

Intestinal angioedema is edema into the submucosal space of the bowel wall following protein extravasation from "leaky" vessels. It can affect both the small and large bowel. Clinical presentation Patients often present with non-specific findings of abdominal pain, nausea, and vomiting. Patho...
Article

Bowel perforation

Bowel perforation can occur in many different settings, but the more common are bowel obstruction (both small and large) bowel ischemia severe ulcer disease diverticular disease infection malignant diseases gastrointestinal tumors direct tumor invasion trauma: blunt or penetrating auto...

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