What is a D1 lymphadenectomy?

What is a D1 lymphadenectomy?

Definition of D1 lymphadenectomy is removal of the perigastric lymph nodes.

What is D3 lymphadenectomy?

The JSCCR defines D3 lymphadenectomy as dissection of the main lymph nodes, intermediate lymph nodes, and pericolic lymph nodes and D2 lymphadenectomy as the removal of the pericolic lymph nodes and intermediate lymph nodes.

What are the types of lymphadenectomy?

The four most common examples of lymphadenectomy are radical neck dissection for thyroid as well as head and neck cancers, axillary lymph nodes for breast cancer, total mesorectal excision for rectal cancer, and D2 lymph node dissection for gastric cancers.

What is a D2 resection?

Minor modifications of this grouping system are necessary according to the location of the primary tumor. D1 gastrectomy is defined as dissection of all the Group 1 nodes, and D2 is defined as dissection of all the Group 1 and Group 2 nodes.

What is a D1 or D2 resection?

In a D1 dissection, the stomach (total or distal) plus the perigastric lymph nodes are removed (i.e. stations 1-6). For a D2 dissection, additional removal of the nodes along the left gastric, the common hepatic, the splenic, and the left hepatoduodenal artery (i.e. stations 7-11) is performed.

What is D3 gastrectomy?

D3 resection was defined as total gastrectomy and. excision of greater and lesser omentum, splenectomy, distal pancreatectomy, and lymph node dissection of the. celiac axis and in the hepatoduodenal ligament.

What does lymph node do?

A small bean-shaped structure that is part of the body’s immune system. Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes (white blood cells) that help the body fight infection and disease. There are hundreds of lymph nodes found throughout the body.

How are lymph nodes removed from neck?

Surgery to remove the lymph nodes in the neck is called a neck dissection. Surgeons don’t routinely do a neck dissection on everyone because it can have long term side effects. They have to consider carefully who will benefit from it. Before your operation, your surgeon might know there is cancer in your lymph nodes.

What is a D1 lymph node?

A D1 dissection was defined as removal of lymph nodes within 3 cm of the tumor en bloc with the greater omentum. In a D2 resection for antral tumors, the omental bursa, the hepatoduodenal, and retroduodenal lymph nodes were resected.

What is D4 lymphadenectomy?

Procedure: Radical Gastrectomy Plus D4 Lymphadenectomy. This surgical procedure is also performed by the same high-experienced surgical team as the control arm. Lymph nodes around stomach (station 1&2 LNs) and para-aortic lymph nodes must be removed during the operation. Other Name: D4 Lymphadenectomy.