Normal pancreatic echogenicity: relation to age and body fat

Worthen, Nancy J.; Beabeau, D

doi:10.2214/ajr.139.6.1095

Cited by 75 publications

(53 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…in liver or fatty liver are already established. Pancreas echogenicity in abdomen sonography is known to be determined by peripancreatic fat deposition rather than pancreatic parenchymal deposition [6] , and it was reported that this correlated with age and subcutaneous fat [14] . However, there have been few studies on lipid deposition in the pancreas and its clinical implications.…”

Section: Discussionmentioning

confidence: 99%

“…Sonography has been widely used as a tool for evaluation of fat deposition in the pancreas, and the pancreas echogenicity has been traditionally compared with liver echogenicity [7,14] . However, this does not seem to be a good method, because the liver is metabolically ve r y a c t ive a n d i t s e ch o g e n i c i t y e x h i b i t s h i g h variance [15,16] .…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Clinical implications of fatty pancreas: Correlations between fatty pancreas and metabolic syndrome

Lee¹,

Kim²,

Jun³

et al. 2009

WJG

246

277

View full text Add to dashboard Cite

AIM:To investigate the clinical implications of lipid deposition in the pancreas (fatty pancreas). METHODS:The subjects of this study were 293 patients who had undergone abdominal computed tomography (CT) and sonography. Fatty pancreas was diagnosed by sonographic findings and subdivided into mild, moderate, and severe fatty pancreas groups comparing to the retroperitoneal fat echogenicity. RESULTS:Fatty pancreas was associated with higher levels for visceral fat, waist circumference, aspartate aminotransferase (AST), alanine aminotransferase (ALT), total cholesterol, triglyceride, high density lipoprotein, free fatty acid, γ-GTP, insulin, and the homeostasis model assessment of insulin resistance (HOMA-IR) than the control group (P < 0.05). HOMA-IR, visceral fat, triglyceride, and ALT also tended to increase with the degree of fat deposition in the pancreas on sonography. In a multivariate logistic regression analysis, HOMA-IR, visceral fat, and ALT level were independently related to fatty pancreas after adjustment for age, body mass index, and lipid profile. The incidence of metabolic syndrome in the fatty pancreas group was significantly higher than in the control group, and the numbers of metabolic syndrome parameters were significantly higher in the fatty pancreas group (P < 0.05).CONCLUSION: Sonographic fatty pancrease showed higher insulin resistance, visceral fat area, triglyceride, and ALT levels than normal pancreases. Fatty pancreas also showed a strong correlation with metabolic syndrome.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Clinical implications of fatty pancreas: Correlations between fatty pancreas and metabolic syndrome

Lee¹,

Kim²,

Jun³

et al. 2009

WJG

246

277

View full text Add to dashboard Cite

show abstract

“…However, from studies in humans it is known that dermal echogenicity patterns changes with age [23], and the amount of subcutaneous fat as well as the skin can have an effect on echogenicity patterns of parenchymatous organs due to different ultrasound attenuation as shown for the pancreas [24]. Since animals scanned in this study differed by age (i.e.…”

Section: Discussionmentioning

confidence: 92%

Use of B-mode Ultrasound and Grey-Scale Analysis to Study Uterine Echogenicity in the Pig

Kauffold

Bussche²,

Failing

et al. 2010

Journal of Reproduction and Development

View full text Add to dashboard Cite

Abstract. This study was conducted to determine uterine echogenicity by grey-scale analysis (GSA) and transcutaneous ultrasonography in pregnant sows (P-sows; n=16) and gilts (P-gilts; n=13) vs. cyclic gilts (C-gilts; n=9) between days 8 and 16 post ovulation (po) with the aims of testing for feasibility of uterine GSA and of gathering reference data. Estruses and ovulations were hormonally synchronized and the animals artificially inseminated. Ovulation was monitored by ultrasound. The equipment used was a HS 2000 ultrasound unit and a 5 MHz linear probe. Unit settings were standardized for all GSA scanning sessions and the animals crated during scanning. For GSA, cross-sections of the uterine horns were imaged, entirely defined as regions of interest, and pixel analyses done. A total of 342 scanning sessions were performed, 341 GSA accomplished, and 1-13 cross-sections analyzed per session. Comparison of coefficients of variation suggests that analysis of two cross-sections per session is sufficient for a reliable GSA per animal. P-sows and P-gilts were similar in their echogenicity course, but differed from C-gilts. Most noticeable, echogenicity declined in pregnant animals on day 12 po, while it increased in cyclic gilts. In conclusion, the study demonstrates that GSA using transcutaneous ultrasound is a feasible procedure for the determination of uterine echogenicity in the pig, and that pregnant and cyclic pigs differ in the uterine echogenicity, particularly during the time when maternal recognition of pregnancy occurs. Key words: Female pig, Grey-scale analysis, Pregnancy, Ultrasonography, Uterus (J. Reprod. Dev. 56: [444][445][446][447][448] 2010) chogenicity is a valuable parameter in order to define the appearance of a tissue or organ by using B-mode ultrasound. Echogenicity is either described based on a score system, and is rather subjective depending on the assessment of the operator. Alternatively, grey-scale analysis (GSA) is used, which is based on computer-supported pixel quantification and is thus a more objective procedure. In large animal species, GSA has mostly been used to define echogenicity patterns of reproductive tissues such as of testes and accessory glands in growing bulls and rams [1,2], as well as of ovarian structures in mares [3], cows and heifers [4,5], and ewes [6,7]. Also, GSA has been employed for studying endometrial echogenicity in pregnant vs. non-pregnant cows [8][9][10] and the European roe deer [11], and has been advocated as an appropriate procedure for the delineation of uterine diseases in mares [12]. B-mode ultrasound is widely used in pigs too, and is predominantly dedicated to examine genital organs which include the ovaries as well as the pregnant and non-pregnant uterus [13]. While differences in echotexture patterns have been described for the porcine uterus depending on the stage of estrous cycle as well as for the healthy vs. diseased uterus, uterine echogenicity using GSA has never been studied except once in a very preliminarily study on a subset of cyc...

show abstract

“…Previous anatomical studies reported that pancreas measurements decreased after age 60 (18,19,20). Ultrasound studies report increased pancreatic echogenicity with aging, suggesting the age-related fat accumulation in the pancreas (21,22). Others have reported age-related morphological changes of the pancreas by CT imaging (23) Heuck et al reported the decreased pancreatic measurements and increased lobulation in elderly humans.…”

Section: Resultsmentioning

confidence: 99%

Characterization of Pancreas in Sudanese Population Using Computerized Tomography

Hassan¹

2014

IJMI

View full text Add to dashboard Cite

Abstract:Normal pancreas has variable sizes therefore this study was conducted to define the normal pancreatic size and CT number for Sudanese to establish a local reference value. A total number of 241 Sudanese subjects were included in the study, 161 (66.8%) were males and 80 (33.2%) were females, their mean ages were 40.6 ± 16.1; all were examined using cross-sectional computerized tomography (CT) imaging for abdomen. The subject's ages and gender were recorded and the body characteristics including height, weight, BMI, abdomen circumference (AC), were evaluated and correlated with pancreas size and CT number. This study revealed that the head of pancreas size was 27.9 ± 4.5 mm, the body was 23.1 ± 3.7mm, and tail was 19.0 ± 3.1mm, while the CT number (Hounsfield unit) was 59.1 ± 14, 57.3 ± 12.6 and 55.2 ± 13.1 respectively. Also the study showed a significant relation between the pancreas size, pancreas CT number, age, and AC at (p˂0.05).

show abstract

Normal pancreatic echogenicity: relation to age and body fat

Cited by 75 publications

References 0 publications

Clinical implications of fatty pancreas: Correlations between fatty pancreas and metabolic syndrome

Clinical implications of fatty pancreas: Correlations between fatty pancreas and metabolic syndrome

Use of B-mode Ultrasound and Grey-Scale Analysis to Study Uterine Echogenicity in the Pig

Characterization of Pancreas in Sudanese Population Using Computerized Tomography

Contact Info

Product

Resources

About