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BMJ Case Rep. 2009;2009. pii: bcr07.2009.2073. doi: 10.1136/bcr.07.2009.2073. Epub 2009 Oct 5.

Giant cutaneous melanomas: evidence for primary tumour induced dormancy in metastatic sites?

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  • 1UCSF, Surgery, 513 Parnassus Avenue, S-321, San Francisco, CA 94143-0470, USA.

Abstract

Two patients with giant, 8 cm and 19 cm melanomas of the upper extremity, respectively, are presented and discussed. Both patients had neglected their tumours and sought medical attention only after the appearance of distressing symptoms (for example, bleeding). Palpable lymph nodes were found on physical examination but no evidence of distant metastases was noted on imaging studies despite such enormous primary tumours. Both patients underwent aggressive treatment, including complete surgical resection of the primary tumour and ipsilateral axillary lymph node dissection. One patient had no evidence of local recurrence, but developed metastatic disease at 6 months follow-up. The other patient developed local recurrence and distant metastases within 2 months of resection.

PMID:
21977058
PMCID:
PMC3027359
DOI:
10.1136/bcr.07.2009.2073
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