alexa Isolated sentinel lymph node dissection with conservative management in patients with squamous cell carcinoma of the vulva: a prospective trial.


Journal of Cancer Clinical Trials

Author(s): Moore RG, Robison K, Brown AK, DiSilvestro P, Steinhoff M, , Moore RG, Robison K, Brown AK, DiSilvestro P, Steinhoff M,

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Abstract OBJECTIVES: Sentinel lymph node (SLN) dissections have a high sensitivity and negative predictive value for the detection of metastatic disease. The objective of this study was to examine the inguinal recurrence rate along with complication rates for patients undergoing inguinal SLN dissection alone for vulvar carcinoma. METHODS: An IRB approved prospective study enrolled patients with biopsy proven squamous cell carcinoma of the vulva. Peritumoral injection of Tc-99 sulfur colloid and methylene blue dye was used to identify SLNs intraoperatively. Patients with SLNs negative for metastatic disease were followed clinically. Patients with metastasis detected in a SLN subsequently underwent a full groin node dissection followed by standard treatment protocols. RESULTS: Thirty-six patients were enrolled onto study with 35 undergoing a SLN dissection. All SNL dissections were successful with a mean of 2 SLN obtained per groin. There were 24 patients with stage I disease, 8 stage II, 3 stage III and 1 stage IV. A total of 56 SLN dissections were performed with 4 patients found to have inguinal metastasis by SLN dissection. There were 31 patients with a total of 46 SLN dissections found to be negative for metastatic disease. The median follow-up has been 29 months (range 8 to 51) with 2 groin recurrences for a groin recurrence rate of 4.3\% and a recurrence rate per patient of 6.4\%. There have been no reports of groin breakdown, extremity cellulitis or lymphedema. CONCLUSIONS: The recurrence rate for patients undergoing inguinal sentinel node dissection alone is low. These patients did not experience any complications as seen with complete groin node dissections. Sentinel lymph node dissection should be considered as an option for evaluation of inguinal nodes for metastatic disease. This article was published in Gynecol Oncol and referenced in Journal of Cancer Clinical Trials

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