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Medicina (Buenos Aires)
Print version ISSN 0025-7680On-line version ISSN 1669-9106
Abstract
LAXAGUE, Francisco et al. Metástasis hepática de adenoma pleomorfo. Medicina (B. Aires) [online]. 2019, vol.79, n.1, pp.64-66. ISSN 0025-7680.
Pleomorphic adenoma is the most benign tumor of the salivary glands. It can undergo a malignant transformation to carcinoma and metastasize to distant organs, sometimes it can metastasize as a benign tumor. We present the case of an 82 years old male with hepatic lesion detected by ultrasound in routine urologic follow-up. CT scan revealed a solid image placed in segments V-VI-VII of the liver. A CT guided fine needle biopsy was made. Pathologic analysis reported a pleomorphic salivary adenoma metastasizing in the liver. Right hepatectomy was performed. Pathology study described a 10 cm diameter tumor with free margin, compatible with pleomorphic salivary adenoma, 32 years after surgery for the primary tumor. After 8 years of follow up, four hepatic nodules and a bone image in L4 vertebra that seemed to be a disease recurrence were found. It was decided to administer stereotactic body radiotherapy to the bone lesion and evaluate the response to decide the future treatment of the hepatic nodules, due to its slow growth.
Keywords : Pleomorphic adenoma; Hepatic metastasis; Metastasizing pleomorphic adenoma.