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Hello community. I am Enrique Villanueva, musculoskeletal and soft tissue interventional radiologist.

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And today I come to talk to you about how to evaluate retroperitoneal fat. This retro

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peritoneal or no fat fat, works a lot for patients who are going to have a hernia or a procedure

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of the abdominal wall that is called ventral TAP. It is very important to evaluate this thickness and it also

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works a lot for some diseases or follow-ups in cardiometabolic surgeries,

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metabolic surgery or nutritional diseases. Look that we have a thin patient and what

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we are going to do is a supraumbilical ultrasound with the abdominal wall setup. And there what are we going to

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see. Mainly we are going to see our midline in our midline. As you see, on the

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screen we observe rectus abdominis and we observe the linea alba.

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This is important that we identify it because at the video level we observe below

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this Linea Alba we are going to demonstrate this This retroperitoneal fat. That

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retroperitoneal fat that exists is mainly described for para-abdominal surgery.

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We are evaluating it for metabolic diseases. When the index exceeds 1 to 1 of the

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subcutaneous cellular tissue with the posterior fat. In this case, this retroperitoneal fat or no fat

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measures 6.4 millimeters and the subcutaneous cellular tissue measures 5.21. It is practically

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1 to 1 in a thin patient. We can identify in thin patients with very thin

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subcutaneous cellular tissue, a very large NO FAT. This is really associated

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with hormonal disorders and metabolic diseases. Look how important the use of

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an ultrasound machine like this one is, which is a Clarius L15 to be able to adequately identify this

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structure. We can also see the index or how. The rectus abdominis in its entire

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trajectory, on this occasion transverse, has fatty infiltrate or not for patients who

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can do liposuction or who are going to undergo some type of metabolic procedure, either a

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gastric sleeve or either a balloon insertion. I repeat, in her case there is a thin patient and

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who still has a NO FAT at the limit. This NO FAT increases in women

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when there are hormonal changes at some stage of menstruation. Preumbilical or peri

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umbilical. It is not found increased in size in patients who do not have an increase in their

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body mass index. I hope you liked how to evaluate and identify the Noah's

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fat or retroperitoneal fat.