Lund's node, or Mascagni's lymph node (often erroneously referred to as Calot's node), is the

sentinel lymph node The sentinel lymph node is the hypothetical first lymph node or group of nodes draining a cancer. In case of established cancerous dissemination it is postulated that the sentinel lymph nodes are the target organs primarily reached by metastasiz ...

of the

gall bladder In vertebrates, the gallbladder, also known as the cholecyst, is a small hollow organ where bile is stored and concentrated before it is released into the small intestine. In humans, the pear-shaped gallbladder lies beneath the liver, althoug ...

. It increases in size in

cholecystitis Cholecystitis is inflammation of the gallbladder. Symptoms include right upper abdominal pain, pain in the right shoulder, nausea, vomiting, and occasionally fever. Often gallbladder attacks (biliary colic) precede acute cholecystitis. The pain l ...

and cholangitis. It is an anatomic landmark and is removed along with the gall bladder in

cholecystectomy Cholecystectomy is the surgical removal of the gallbladder. Cholecystectomy is a common treatment of symptomatic gallstones and other gallbladder conditions. In 2011, cholecystectomy was the eighth most common operating room procedure performed i ...

. It is situated within the Triangle of Calot, where abides the space below the

cystic artery The cystic artery (also known as bachelor artery) supplies oxygenated blood to the gallbladder and cystic duct. Most common arrangement In the classic arrangement, occurring with a frequency of approximately 70%, a singular cystic artery originat ...

. The node is named after Fred Bates Lund (1865-1950), an American surgeon. It was also named after the Italian anatomist and physician,

Paolo Mascagni Paolo Mascagni (25 January 1755 – 19 October 1815) was an Italian physician and anatomist. He is most well known for publishing the first complete description of the lymphatic system. Biography Early life Mascagni was born in the co ...

(1752-1815), who first identified the node around 1787. Lymphatics of the torso Anatomic Landmarks

References

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