What is the para-aortic region?

What is the para-aortic region?

Introduction. The para-aortic lymph nodes (PANs) are located around the abdominal aorta and inferior vena cava and are the regional lymph nodes of the intraperitoneal organs.

What is para aorta?

The paraaortic group (also known as lateral aortic group) drains the iliac nodes, the ovaries, the testes and other pelvic organs. The lateral group nodes are located adjacent to the aorta, anterior to the spine, extending laterally to the edge of the psoas major muscles, and superiorly to the crura of the diaphragm.

What causes enlarged para-aortic lymph nodes?

Secondary Causes More often than not, the cause of swollen retroperitoneal lymph nodes will be secondary, meaning that they are collaterally affected by a disease or disorder affecting an organ within or near the retroperitoneum. These include such as organs as: Adrenal glands. Ascending or descending colon and …

Where is the Paracaval lymph node located?

The right lumbar/caval lymph nodes, also known as the paracaval nodes surround the abdominal portion of the inferior vena cava, located towards to right half of the posterior abdomen.

Can para-aortic lymph nodes be removed?

A lymphadenectomy, also called lymph node dissection, may be done to examine the pelvic and para-aortic lymph nodes for endometrial cancer cells. The removal and examination of the cancerous lymph nodes will determine the exact stage and grade of the cancer and may reduce the spread of the disease.

What is the para-aortic lymph node?

Para-aortic lymph nodes (often shortened to para-aortic nodes) are part of the retroperitoneal nodes, and are located anterior to the left lumbar trunk 1 and above and below the left renal vein prior to the flow of lymph into the cisterna chyli 2-4.

What is the normal size of para aortic lymph nodes?

The upper limits of normal by location were as follows: retrocrural space, 6 mm; paracardiac, 8 mm; gastrohepatic ligament, 8 mm; upper paraaortic region, 9 mm; portacaval space, 10 mm; porta hepatis, 7 mm; and lower paraaortic region, 11 mm.