Completion lymph node dissection for merkel cell carcinoma

ConclusionsIn SLNB positive MCC, CLND alone is associated with worse survival compared with treatment with adjuvant radiation or both CLND and adjuvant radiation.
Source: The American Journal of Surgery - Category: Surgery Source Type: research

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CONCLUSIONS: We treated seven Asian MCC patients and our series confirmed that MCC is a very dangerous cancer in Asians as well. Based on our experiences, thorough surgical excision of MCC with histopathological clearance should be considered, with sentinel lymph node evaluation if necessary, followed by appropriate reconstruction and careful postoperative observation. Adjuvant radiation therapy is also recommended for all Asian MCC patients. The results of this case series may provide guidance for the treatment of Asian MCC patients in the future. PMID: 31550749 [PubMed]
Source: Archives of Plastic Surgery - Category: Cosmetic Surgery Tags: Arch Plast Surg Source Type: research
Objectives: Delays from surgery to adjuvant radiation therapy (aRT) are associated with poorer prognosis in multiple neoplasms. Presently, no data exist for Merkel cell carcinoma (MCC). The authors sought to assess the time interval from surgery to aRT and effect on outcomes in MCC. Materials and Methods: The National Cancer Database was queried for histologically confirmed nonmetastatic MCC status post resection and aRT diagnosed between 2004 and 2015 who received aRT within 24 weeks of surgery. Kaplan-Meier analysis assessed univariate overall survival (OS); multivariable Cox proportional hazards modeling assessed m...
Source: American Journal of Clinical Oncology - Category: Cancer & Oncology Tags: Original Articles: Cutaneous Source Type: research
ConclusionMost patients with aMCC received initial treatment, including surgery, radiation, and/or chemotherapy, and approximately one-third of those receiving chemotherapy received second-line chemotherapy. Total 12-month direct healthcare costs were highest in patients who received chemotherapy alone or combined with radiation and/or surgery. These poor survival results and high treatment costs highlight the need for effective new aMCC therapies.
Source: Applied Health Economics and Health Policy - Category: Health Management Source Type: research
Publication date: Available online 26 March 2019Source: Practical Radiation OncologyAuthor(s): Mehran Yusuf, Jeremy Gaskins, Paul Tennant, Jeffrey Bumpous, Neal DunlapAbstractObjective(s)To determine the impact of time to initiation (TTI) of adjuvant radiation therapy (RT) on overall survival (OS) for patients with stage I or II Merkel cell carcinoma (MCC).MethodsThe NCDB was queried for patients with MCC of the head and neck, trunk or extremities diagnosed from 2006 to 2014. Patients who did not undergo resection or who did not receive adjuvant RT within 180 days of surgery were excluded. TTI was defined as time from rese...
Source: Practical Radiation Oncology - Category: Cancer & Oncology Source Type: research
AbstractMerkel cell carcinoma (MCC) is a rare but highly aggressive neuroendocrine skin cancer whose incidence has almost doubled in recent decades. Risk factors for MCC include age> 65  years, immunosuppression, sun exposure and infection by Merkel cell polyomavirus. MCC usually presents as rapidly growing, firm, red to violaceous nodule localized on the sun-exposed skin. Surgery followed by radiation therapy is considered to be the first-line treatment for primary or loco-region al MCC in order to prevent recurrences and lymph node metastasis, while chemotherapy has always been used to treat advanced forms. Howev...
Source: Dermatology and Therapy - Category: Dermatology Source Type: research
Conditions:   Merkel Cell Carcinoma;   Pathologic Stage IIIA Merkel Cell Carcinoma AJCC v8;   Pathologic Stage IIIB Merkel Cell Carcinoma AJCC v8 Interventions:   Biological: Ipilimumab;   Biological: Nivolumab;   Radiation: Radiation Therapy Sponsors:   Hiral Shah;   National Cancer Institute (NCI) Recruiting
Source: - Category: Research Source Type: clinical trials
Opinion statementMerkel cell carcinoma (MCC) is a rare but highly aggressive neuroendocrine carcinoma of the skin, with frequent recurrences, metastasis, and a high mortality rate. For primary or locoregional MCC, a wide local excision followed by radiation therapy is the basic treatment modality for preventing recurrence at the primary site and involved lymph nodes. Cytotoxic chemotherapy has been commonly used to treat patients with metastatic MCC, but not as an adjuvant therapy for high-risk resected MCC. Although MCC is often chemotherapy-sensitive in the first-line setting, responses are rarely durable and most patien...
Source: Current Treatment Options in Oncology - Category: Cancer & Oncology Source Type: research
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