ArticleBMJ case reports2022
Tumour to tumour metastasis: case of a carotid body paraganglioma metastatic to a hepatocellular adenoma.
Article in BMJ case reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Tumour to tumour metastases are uncommon, and we report a case of carotid body paraganglioma metastatic to a hepatocellular adenoma. A 54-year-old man presented after a CT chest for chronic cough that incidentally identified two liver lesions in segment 3 and caudate. The imaging findings were suspicious for atypical haemangiomas versus hepatocellular adenoma. The segment 3 lesion was biopsied, demonstrating beta-catenin activated hepatocellular adenoma. He underwent partial hepatectomy with pathology showing the beta-catenin activated hepatocellular adenoma contained a central area of paraganglioma. On closer review, the patient revealed a carotid body paraganglioma with lymph node metastases requiring resection 24 years earlier. He subsequently underwent left hepatectomy including the resection bed and caudate, which confirmed the caudate lesion as metastatic paraganglioma. This case demonstrates how paraganglioma can metastasise to liver decades after initial resection and provide insight into the diagnostic workup for hepatocellular adenoma with neuroendocrine features.
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