Primary hepatic carcinoid tumor. An electron microscopic and immunohistochemical study.
case_report · Level V
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Abstract
A case of primary carcinoid tumor of the liver with striking morphologic and electron microscopic features is reported. Conventional histologic examination showed a prominent paranuclear clear zone in numerous tumor cells. By electron microscopic examination, this clear zone corresponded to a paranuclear mass of intermediate filaments admixed with neurosecretory granules and other cytoplasmic organelles.
Medical subject headings
- Carcinoid Tumor
- Liver Neoplasms