Ultrasonography of the Normal Pancreas

Weill, Francis S.; Schraub, A.; Eisenscher, A; Bourgoin, A

doi:10.1148/123.2.417

Cited by 51 publications

(3 citation statements)

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“…It may be regarded, however, as a convenient screening test for patients with suspected pancreas disease since no patient pre paration is required; it is painless and safe, and can be perform ed on an out-patient basis. Current progress in ultrasound technology has enhanced crosssectional imaging of the normal pancreas, and contact B mode scanning is especially useful for the visualisation of soft tissue tumors which are otherwise difficult to diagnose by radiologi cal techniques [2,3]. In this report a retroperitoneal malignant lymphoma is pre sented which was clearly demonstrated on radionuclide and ultrasonographic scans.…”

Section: Introductionmentioning

confidence: 79%

Retroperitoneal Lymphoma Involving Pancreas – Complementary Radionuclide Scan and Ultrasonography

Kim¹,

DeLand²

1978

Oncology

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Radionuclide emission tomography and ultrasonography were obtained on a patient with recurrent epigastric pain. In the pancreatic region an ultrasonic scan revealed a conglomerated mass. Following administration of Se-75 selenomethionine, the multiplane longitudinal tomographic scan demonstrated marked concentration of activity in the region of the pancreas which corresponded to a large defect in the hilus of the liver observed on prior liver-spleen scan with Tc-99m sulfur colloid. Surgery revealed a poorly differentiated histiocytic lymphoma in the retroperitoneum. The radionuclide and echographic scans of the retroperitoneal lymphomas are briefly discussed, and their complementary role as a diagnostic tool stressed.

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Section: Introductionmentioning

confidence: 79%

Retroperitoneal Lymphoma Involving Pancreas – Complementary Radionuclide Scan and Ultrasonography

Kim¹,

DeLand²

1978

Oncology

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“…There is also a need for more population‐based studies to re‐define norms for pancreas size as stratified by age, BMI, ethnicity, and sex on the basis of established guidelines using modern imaging. While several studies using US and CT have reported pancreas size exclusively in normal individuals (Weill et al, ; de Graaff et al, ; Heuck et al, ; Ueda, ; Capaccioli and Carpi, ; Giandomenico et al, ; Nyren et al, ; Chen et al, ; Djuric‐Stefanovic et al, ), most of such studies did not use modern imaging methods, which have significantly improved resolution.…”

Section: Discussionmentioning

confidence: 99%

Quantitative determination of pancreas size using anatomical landmarks and its clinical relevance: A systematic literature review

et al. 2018

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There have been many reports of altered pancreas size in diseases of the endocrine and exocrine pancreas, but few attempts to quantify such changes. The aim of this study was to conduct a systematic literature review, documenting the methodology, and quantitative data in studies reporting on pancreas size. Three electronic databases (Embase, Scopus, and MEDLINE) were searched by two reviewers independently. Studies of humans were included if they compared pancreas size (reported as pancreas diameters, areas, and/or lengths) between diseased populations and controls. A total of 28 studies with 3,810 individuals were included. Among these, 22 measured pancreas diameters, seven measured pancreas areas, and one measured pancreas lengths. The most common landmark for the head of the pancreas was the confluence of the superior mesenteric and splenic veins (three out of nine studies, 33.3%); for the body it was the superior mesenteric artery (seven out of nine, 77.8%); for the tail it was the internal border of the left kidney (two out of six, 33.3%). Pancreas diameters and areas tended to be smaller in diabetes mellitus, the extent of reduction being greater in individuals with type 1 than type 2 diabetes. Pancreas diameters tended to be greater in acute pancreatitis and pancreatic cancer but not in chronic pancreatitis. Pancreas diameters are a clinically relevant measure for diseases of the endocrine and exocrine pancreas. Consensus guidelines need to be developed to standardize their measurements. Clin. Anat. 31:913-926, 2018. © 2018 Wiley Periodicals, Inc.

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“…In the great majority of cases the diameter of the head does not exceed 30 mm and 20 mm in the body and tail (Weill et al, 1977) Any normal variation in size is gradual, and, conversely, an unexpectedly abrupt variation in contour, even if the size remains within normal limits, becomes significant (Fig. 2).…”

Section: Patientsmentioning

confidence: 94%

Ultrasonic scanning in pancreatic disease.

Russell¹,

Vallon²,

Braganza³

et al. 1978

Gut

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SUMMARY We have analysed retrospectively the pancreatic ultrasound scans (using a bistable machine) in 138 consecutive patients, and have related the results to the clinical status and the final diagnosis in each case. The scans were read without knowledge of the patient's clinical state. When technically unsatisfactory scans were excluded from consideration, the overall diagnostic accuracy of ultrasonography proved to be 82 %, with a false positive rate of 8 %. The scan was abnormal in all 10 patients with cancer of the pancreas: a positive diagnosis of cancer was made in six. All patients with chronic pancreatitis in relapse had abnormal scans, but in 53 % the scans were normal in patients in whom the disease was in clinical remission. In seven patients with chronic pancreatitis who suffered relentless pain, the head of the pancreas was swollen and contained cystic areas or emitted abnormal echoes. In acute pancreatitis ultrasonic scanning proved useful in following the progression of the disease to final resolution, or to development of complicating pseudocyst, abscess, or ascites. Random echoes in the early stages of acute pancreatitis are features of haemorrhagic necrosis. In alcoholic relapsing pancreatitis the persistence of abnormal echoes, disposed linearly along the axis of major ducts, suggests the presence of chronic pancreatitis.

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Ultrasonography of the Normal Pancreas

Cited by 51 publications

References 0 publications

Retroperitoneal Lymphoma Involving Pancreas – Complementary Radionuclide Scan and Ultrasonography

Retroperitoneal Lymphoma Involving Pancreas – Complementary Radionuclide Scan and Ultrasonography

Quantitative determination of pancreas size using anatomical landmarks and its clinical relevance: A systematic literature review

Ultrasonic scanning in pancreatic disease.

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