Sentinel Lymph Node Biopsy in the Management of Early-Stage Cervical Carcinoma
Identifieur interne : 004B50 ( Main/Exploration ); précédent : 004B49; suivant : 004B51Sentinel Lymph Node Biopsy in the Management of Early-Stage Cervical Carcinoma
Auteurs : John P. Diaz [États-Unis] ; Mary L. Gemignani [États-Unis] ; Neeta Pandit-Taskar [États-Unis] ; Kay J. Park [États-Unis] ; Melissa P. Murray [États-Unis] ; Dennis S. Chi [États-Unis] ; Yukio Sonoda [États-Unis] ; Richard R. Barakat [États-Unis] ; Nadeem R. Abu-Rustum [États-Unis]Source :
- Gynecologic oncology [ 0090-8258 ] ; 2011.
Abstract
We aimed to determine the sentinel lymph node detection rates, accuracy in predicting the status of lymph node metastasis, and if pathologic ultrastaging improves the detection of micrometastases and isolated tumor cells at the time of primary surgery for cervical cancer.
A prospective, non-randomized study of women with early-stage (FIGO stage IA1 with lymphovascular space involvement – IIA) cervical carcinoma was conducted from June 2003 to August 2009. All patients underwent an intraoperative intracervical blue dye injection. Patients who underwent a preoperative lymphoscintigraphy received a 99m Tc sulfur colloid injection in addition. All patients underwent sentinel lymph node (SLN) identification followed by a complete pelvic node and parametrial dissection. SLN were evaluated using our institutional protocol that included pathologic ultrastaging.
SLN mapping was successful in 77 (95%) of 81 patients. A total of 316 SLN were identified, with a median of 3 SLN per patient (range, 0-10 SLN). The majority (85%) of SLN were located at three main sites: the external iliac (35%); internal iliac (30%); and obturator (20%). Positive lymph nodes (LN) were identified in 26 (32%) patients, including 21 patients with positive SLN. Fifteen of 21 patients (71%) had SLN metastasis detected on routine processing. SLN ultrastaging detected metastasis in an additional 6/21 patients (29%). Two patients had grossly positive LN at exploration, and mapping was abandoned. Three of 26 (12%) patients had successful SLN mapping; however, the SLN failed to identify the metastatic LN. Of these 3 false negative cases, 2 patients had a metastatic parametrial node as the only positive LN with multiple negative pelvic nodes including negative SLN. One patient with stage IA1 disease and lymphovascular invasion had unilateral SLN mapping and a metastatic common iliac LN identified on completion lymphadenectomy of the contralateral side that did not map. The 4 (5%) patients with unsuccessful mapping included 1 who had grossly positive nodes identified at the time of laparotomy; the remaining 3 occurred during each surgeon's initial SLN mapping learning phase.
SLN mapping in early-stage cervical carcinoma yields high detection rates. Ultrastaging improves micrometastasis detection. Parametrectomy and side-specific lymphadenectomy (in cases of failed mapping) remain important components of the surgical management of select cases.
Url:
DOI: 10.1016/j.ygyno.2010.12.334
PubMed: 21216450
PubMed Central: 3951119
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Objectives</title>
<p id="P2">We aimed to determine the sentinel lymph node detection rates, accuracy in predicting the status of lymph node metastasis, and if pathologic ultrastaging improves the detection of micrometastases and isolated tumor cells at the time of primary surgery for cervical cancer.</p>
</sec>
<sec id="S2"><title>Methods</title>
<p id="P3">A prospective, non-randomized study of women with early-stage (FIGO stage IA1 with lymphovascular space involvement – IIA) cervical carcinoma was conducted from June 2003 to August 2009. All patients underwent an intraoperative intracervical blue dye injection. Patients who underwent a preoperative lymphoscintigraphy received a 99m Tc sulfur colloid injection in addition. All patients underwent sentinel lymph node (SLN) identification followed by a complete pelvic node and parametrial dissection. SLN were evaluated using our institutional protocol that included pathologic ultrastaging.</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P4">SLN mapping was successful in 77 (95%) of 81 patients. A total of 316 SLN were identified, with a median of 3 SLN per patient (range, 0-10 SLN). The majority (85%) of SLN were located at three main sites: the external iliac (35%); internal iliac (30%); and obturator (20%). Positive lymph nodes (LN) were identified in 26 (32%) patients, including 21 patients with positive SLN. Fifteen of 21 patients (71%) had SLN metastasis detected on routine processing. SLN ultrastaging detected metastasis in an additional 6/21 patients (29%). Two patients had grossly positive LN at exploration, and mapping was abandoned. Three of 26 (12%) patients had successful SLN mapping; however, the SLN failed to identify the metastatic LN. Of these 3 false negative cases, 2 patients had a metastatic parametrial node as the only positive LN with multiple negative pelvic nodes including negative SLN. One patient with stage IA1 disease and lymphovascular invasion had unilateral SLN mapping and a metastatic common iliac LN identified on completion lymphadenectomy of the contralateral side that did not map. The 4 (5%) patients with unsuccessful mapping included 1 who had grossly positive nodes identified at the time of laparotomy; the remaining 3 occurred during each surgeon's initial SLN mapping learning phase.</p>
</sec>
<sec id="S4"><title>Conclusion</title>
<p id="P5">SLN mapping in early-stage cervical carcinoma yields high detection rates. Ultrastaging improves micrometastasis detection. Parametrectomy and side-specific lymphadenectomy (in cases of failed mapping) remain important components of the surgical management of select cases.</p>
</sec>
</div>
</front>
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<name sortKey="Abu Rustum, Nadeem R" sort="Abu Rustum, Nadeem R" uniqKey="Abu Rustum N" first="Nadeem R." last="Abu-Rustum">Nadeem R. Abu-Rustum</name>
<name sortKey="Barakat, Richard R" sort="Barakat, Richard R" uniqKey="Barakat R" first="Richard R." last="Barakat">Richard R. Barakat</name>
<name sortKey="Chi, Dennis S" sort="Chi, Dennis S" uniqKey="Chi D" first="Dennis S." last="Chi">Dennis S. Chi</name>
<name sortKey="Gemignani, Mary L" sort="Gemignani, Mary L" uniqKey="Gemignani M" first="Mary L." last="Gemignani">Mary L. Gemignani</name>
<name sortKey="Murray, Melissa P" sort="Murray, Melissa P" uniqKey="Murray M" first="Melissa P." last="Murray">Melissa P. Murray</name>
<name sortKey="Pandit Taskar, Neeta" sort="Pandit Taskar, Neeta" uniqKey="Pandit Taskar N" first="Neeta" last="Pandit-Taskar">Neeta Pandit-Taskar</name>
<name sortKey="Park, Kay J" sort="Park, Kay J" uniqKey="Park K" first="Kay J." last="Park">Kay J. Park</name>
<name sortKey="Sonoda, Yukio" sort="Sonoda, Yukio" uniqKey="Sonoda Y" first="Yukio" last="Sonoda">Yukio Sonoda</name>
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