4.6 Article

Non-iatrogenic implantation of cutaneous metastasis from hepatocellular carcinoma

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SPRINGER
DOI: 10.1007/s00432-022-04030-0

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Primary live cancer; Hepatocellular carcinoma; Skin metastasis; Non-iatrogenic implantation; Prognosis

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Cutaneous metastases from hepatocellular carcinoma (HCC) as an extrahepatic metastasis are rare and have a poor prognosis. This study summarized 12 cases of non-iatrogenic implantation of cutaneous metastasis after HCC, and investigated the clinical prognosis, pathological characteristics, and treatment. The findings suggest that systematic treatment is recommended for large HCC to prevent cutaneous metastasis and improve prognosis.
Purpose Cutaneous metastases as an extrahepatic metastasis from hepatomas (HCC) is extremely rare and always carry a poor prognosis and less survival time. Previously, there has been a limited number of literature that reported skin metastasis in a large number of cases, which has rarely been discussed in the empirical treatment and therapy of cutaneous metastasis, especially for non-iatrogenic implantation. It is necessary to discuss this kind of metastasis. Patients and methods We summarize cases from our medical center from 2013 to 2021, there are 12 patients diagnosed with non-iatrogenic implantation of cutaneous metastasis after HCC. We conducted the investigation of the clinical prognosis, pathological characteristics, and treatment of those patients. Results All patients were male, the age ranged from 21 to 71 years old, the average size of primary HCC was over 5 cm, there was four patient's cutaneous metastasis from the skin of head (including scalp and occipital region), followed by right abdominal (2 patients), right chest wall (2 patients), back (2 patients), umbilical (1 patient), gluteal region (1 patient). The cutaneous metastases presented as solitary or multiple nodules, papules, and erythema without ulcers with sizes between 0.5 cm and 5 cm. 7 patients died after being diagnosed with cutaneous metastasis within 2-19 months. Conclusions The rate of non-iatrogenic implantation cutaneous metastasis is low, but the prognosis is poor, combining with histopathological analysis and history of diseases can be helpful in diagnosis. For large HCC (> 5 cm), systematic treatment is recommended to prevent the occurrence of cutaneous metastasis and improve the prognosis after hepatectomy.

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