Anatomic pathology selected abstracts
April 2019—Frequent GNAQ and GNA14 mutations in hepatic small vessel neoplasm: April 2019—Hepatic small vessel neoplasm is a recently described infiltrative vascular neoplasm of the liver composed of small vessels. Although its infiltrative nature can mimic angiosarcoma, hepatic small vessel neoplasms (HSVNs) are thought to be benign or low-grade neoplasms because they lack cytologic atypia and increased proliferation.