Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
PancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (C Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2Co), antrum (An), and costal arch (Ri).The pancreas is located in the rctropcritoncmn. bounded on each side by the duodenum and the spleen It lies transversely in the epigastrium, its axis directed at a slight angle from lower light to upper left.Locating the pancreas ------------------------------- Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2--------------Barriers to scanningThe pancreas IS often difficult to locate because of Its posterior position The main barrier to scanning the pancreaEbook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
s is gas in the stomach and bowel (Ftg71>Optimizing the scanning conditionsThe pancreas, like the gallbladder. IS best examined in the fasted patient PancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (C Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2o push the gas aside. Ofcoiuse. this should be done only after the other oigans have been examined. Vision can be substantially improved by filling the stomach with water (500 ml. taken through a straw) (Fig 7.2)— Ajy 7.2 Locating tho pancreasa Using the liver (L) as an acoustic window for locating Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2th# pancreas (p) An ■ antrum Co ■ colonb Scanning through the fluid-filled antrum (An). Co "colonp Co7 PancreasOrgan identificationMore than with otheEbook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
r upper abdominal organs, identification of the pancreas relics on the use of landmarks. Your principal landmarks arc the aorta and the splenic vein (PancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (C Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2a and vena cava. Now move the scan plane caudally in small increments. In some cases you will have to repeat this pass several times and use both sliding and angling movements ofthc probe to scan around gas in the stomach and bowel. As you scan down the aoita. look foi the landmarks shown in (Figs. Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 273 and 7.4).Ftg. 7.3 Aorta (A) ana celiac trunk (Tf). When you see tills pattern In the transverse scan, you will find the pancreas st a Slightly moreEbook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
caudal evel.F/g 7.4 Aorta (A) plus a transverse section of the superior mesenteric artery (Ams) and a longitudinal section of the splenic vein (VI). PancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (C Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2nic ven The abiity to define the pancreas and delineate it from its surroundings w« vary greatly from case to case.136Organ Boundariesa Upper abdominal longitudinal scan. The lines indicate the scan planes that arc used in locating the pan creas. A - aorta. Tr - celiac trunk. Ams ■ superior mesenter Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2ic artery.p - pancreas, s • stomach.splenic vein (T).b DcrixxiKliaic (lx: .Kx(a (A)i: I ixiatc Ihn crHfalc Inxik (>)Ở lifcxilify the: spliMui: vc:in (Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2
T ) nori Itxr pancreas anterior to It (ị ị >.Difficulties in identifying the pancreasThe scries of images shown above were obtained under ideal scanniPancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (C Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 2-7.S).Fig. 7.6 Poor visuaiiĩation OĨ the pancreas ( ) due to obesity and oveny\ ng gatFig 7.7 Obesity and pancreatic lipomatosis. T he superior mesenteric artery (T) and splenic VW (<•) are plainly seen, but the pancreas ( ị ị ị ) IS poorly defeatedF.g 7.8 The pancreas is completely obscured by gas1 Ebook The practice of ultrasound - A step by step guide to abdominal scanning: Part 237PancreasOrgan BoundariesLEARNING COALS►locat# and id#ntfy th# pancr#a»►D#mon$trat# th# #ntir# pancreasĨKỊ 7 1 The pancreas is obscured by tbo colon (CGọi ngay
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