Liver mass staging: Difference between revisions
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==References== | ==References== | ||
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[[Category:Up-To-Date]] | |||
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[[Category:Surgery]] |
Revision as of 02:19, 27 November 2017
Liver Mass Microchapters |
Diagnosis |
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Treatment |
Case Studies |
Liver mass staging On the Web |
American Roentgen Ray Society Images of Liver mass staging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
According to the American Joint Committee on Cancer (AJCC) staging system, there are 4 stages of malignant liver mass, based on 3 factors: tumor size, lymph node invasion, and metastasis. Each stage is assigned a letter and a number that designate T for tumor size, N for node invasion, and M for metastasis.[1]
Staging
- The table below summarizes the staging system for malignant liver mass, based on 3 factors: tumor size, lymph node invasion, and metastasis.
TX | Primary tumour cannot be assessed |
T0 | No evidence of primary tumour |
T1 | A single tumour with no invasion into the blood vessels of the liver |
T2 | A single tumour with invasion into the blood vessels or multiple tumours, none more than 5 cm in size |
T3a | Multiple tumours, with any tumour larger than 5 cm |
T3b | The tumour has grown into either the portal or hepatic vein |
T4 | The tumour has grown into nearby organs (other than the gallbladder) or the tumour has grown into the layer of tissue that covers the organs in the abdomen (visceral peritoneum) |
Lymph Node
NX | Regional lymph nodes cannot be assessed |
NX | No regional lymph node metastasis |
NX | Regional lymph node metastasis |
Distance Metastasis
M0 | No distant metastasis |
M1 | Distant metastasis |