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macrotrabecular massive hepatocellular carcinoma

Monday 26 September 2022

macrotrabecular-massive HCC

PO

Definition : Subtype of hepatocellular carcinoma with macrotrabecular pattern (≥ 6 - 10 cells thick). Macrotrabecular pattern must represent more than 50% of the tumor.

Images

- https://twitter.com/emma_furth/status/1574870532452864000

Synopsis

- hepatocellular carcinoma
- > 50% growth of macrotrabecular pattern (≥ 6 - 10 cells thick)
- Trabeculae observed in cross sections are bordered by a complete rim of CD34 positive endothelial cells in more than half of the tumor area (vessels encapsulating tumor clusters (VETC))
- Associated with micro and macrovascular invasion (> 60%)
- Associated with higher tumor cell grade and presence of anaplastic tumor cells

See also

- hepatocellular carcinoma ( HCC )