Superior mesenteric artery syndrome - Radiopaedia.org
2024年7月20日 · Characteristic findings include reduction of the aortic-mesenteric angle (angle <25° with the aorto-mesenteric distance <8–10 mm). Standing and supine positioning may assist the diagnosis - with angle reductions on supine projections 7.
Nutcracker syndrome | Radiology Reference Article
2024年7月16日 · Nutcracker syndrome is a vascular compression disorder that refers to the compression of the left renal vein, most commonly between the superior mesenteric artery (SMA) and aorta, although other variations can exist 1. This can lead to renal veno...
Superior mesenteric artery syndrome - Radiopaedia.org
Normally, the aortomesenteric angle and aortomesenteric distance are 28-65° and 10-34 mm, respectively. In SMA syndrome, both parameters are reduced, with values of 6° to 22° and 2 to 8 mm.
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Superior mesenteric artery syndrome with associated Nutcracker …
There is an acute angulation of the superior mesenteric artery (SMA) compressing the third part of the duodenum with reduced aortomesenteric angle and aortomesenteric distance in keeping with the superior mesenteric artery syndrome.
Superior mesenteric artery syndrome - Radiopaedia.org
The angle between SMA and the aorta decreased (13 degrees), and the duodenum is dilated before this section. Bilateral coarse calcifications are seen in adrenal glands. Ring artifact is also present, possibly due to a malfunctioning detector.
Concomitant Nutcracker syndrome with superior mesenteric artery ...
There is a reduced aortomesenteric angle having the following criteria: Reduced aortomesenteric distance and aortomesenteric angle, measuring 4 mm and 23 degrees, respectively.
Superior mesenteric artery syndrome - Radiopaedia.org
aortomesenteric distance = 7.6 mm (lower limit of normal = 10 mm) aortomesenteric angle = 16.8 o (lower limit of normal = 25 o)
Superior mesenteric artery syndrome - Radiopaedia.org
Superior mesenteric artery syndrome has a slight female preponderance and is commonly seen between 10 and 39 years of age. On CT, the two crucial signs for diagnosis are a reduced aortomesenteric angle and an aortomesenteric distance of less than 8 mm.
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