Charles Levenback

University of Texas MD Anderson Cancer Center, Houston, Texas, United States

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Publications (208)983.61 Total impact

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    ABSTRACT: Objective: Shared medical appointments offer a novel approach to improve efficiency and quality of care consistent with the goals of the Institute of Medicine. Our objective was to develop and implement a shared medical appointment for gynecologic cancer patients initiating chemotherapy. Methods: We first assessed the level of interest in shared medical appointments among our patients and providers through qualitative interviews. Both patients and providers identified pre-chemotherapy as an optimal area to pilot shared medical appointments. We subsequently created a multidisciplinary team comprised of physicians, advanced practice providers, nurses, pharmacists, administrators, health education specialists and members of the Quality Improvement Department to establish a Shared Medical Appointment and Readiness Teaching (SMART) program for all gynecologic oncology patients initiating chemotherapy with platinum- and/or taxane-based regimens. We developed a standardized chemotherapy education presentation and provided patients with a tool kit that consisted of chemotherapy drug education, a guide to managing side effects, advance directives, and center contact information. Results: From May 9, 2014 to June 26, 2015, 144 patients participated in 51 SMART visits. The majority of patients had ovarian cancer and were treated with carboplatin/paclitaxel. Surveyed patients reported being highly satisfied with the group visit and would recommend shared medical appointments to other patients. Conclusions: This model of care provides patient education within a framework of social support that empowers patients. Shared medical appointments for oncology patients initiating chemotherapy are both feasible and well accepted.
    Gynecologic Oncology 11/2015; DOI:10.1016/j.ygyno.2015.11.006 · 3.77 Impact Factor
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    ABSTRACT: Recurrent, metastatic mesenchymal myxoid tumors of the gynecologic tract present a management challenge as there is minimal evidence to guide systemic therapy. Such tumors also present a diagnostic dilemma, as myxoid features are observed in leiomyosarcomas, inflammatory myofibroblastic tumors (IMT), and mesenchymal myxoid tumors. Comprehensive genomic profiling was performed in the course of clinical care on a case of a recurrent, metastatic myxoid uterine malignancy (initially diagnosed as smooth muscle tumor of uncertain malignant potential (STUMP)), to guide identify targeted therapeutic options. To our knowledge, this case represents the first report of clinical response to targeted therapy in a tumor harboring a DCTN1-ALK fusion protein. Hybridization capture of 315 cancer-related genes plus introns from 28 genes often rearranged or altered in cancer was applied to >50 ng of DNA extracted from this sample and sequenced to high, uniform coverage. Therapy was given in the context of a phase I clinical trial Identifier: ( NCT01548144 ). Immunostains showed diffuse positivity for ALK1 expression and comprehensive genomic profiling identified an in frame DCTN1-ALK gene fusion. The diagnosis of STUMP was revised to that of an IMT with myxoid features. The patient was enrolled in a clinical trial and treated with an anaplastic lymphoma kinase (ALK) inhibitor (crizotinib/Xalkori®) and a multikinase VEGF inhibitor (pazopanib/Votrient®). The patient experienced an ongoing partial response (6+ months) by response evaluation criteria in solid tumors (RECIST) 1.1 criteria. For myxoid tumors of the gynecologic tract, comprehensive genomic profiling can identify clinical relevant genomic alterations that both direct treatment targeted therapy and help discriminate between similar diagnostic entities.
    Journal of Hematology & Oncology 06/2015; 8(1):66. DOI:10.1186/s13045-015-0160-2 · 4.81 Impact Factor
  • L. Prescott · T. Aloia · A. Brown · J. Taylor · C. Sun · C. Levenback · K. Schmeler · D. Bodurka ·

    Gynecologic Oncology 06/2015; 137(3):595. DOI:10.1016/j.ygyno.2015.03.029 · 3.77 Impact Factor
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    ABSTRACT: Two prospective, multicenter clinical trials have demonstrated the feasibility and reproducibility of sentinel lymph node (SLN) biopsy as part of the standard management of early-stage vulvar carcinoma. On the basis of the results of these trials, many gynecologic oncologists have incorporated SLN biopsy for vulvar cancer into their practice. Studies have further shown that SLN biopsy is associated with better quality of life than full lymphadenectomy, is more cost-effective than full lymphadenectomy, and pathologic evaluation. A large observational study is currently evaluating the outcomes of patients with early-stage vulvar cancer according to the results of their SLN biopsy and the approach to their care; this study may confirm that full inguinofemoral lymphadenectomy is no longer necessary in most patients with this disease. Here, we review the published data supporting SLN biopsy as part of the standard of care for women with early-stage vulvar cancer and discuss future considerations for the management of this disease. Copyright © 2015. Published by Elsevier Inc.
    Gynecologic Oncology 05/2015; 138(2). DOI:10.1016/j.ygyno.2015.05.017 · 3.77 Impact Factor

  • Gynecologic Oncology 05/2015; 138. DOI:10.1016/j.ygyno.2015.04.022 · 3.77 Impact Factor

  • Gynecologic Oncology 04/2015; 137. DOI:10.1016/j.ygyno.2015.01.093 · 3.77 Impact Factor
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    ABSTRACT: The phosphoinositol-3 kinase (PI3K) pathway is frequently dysregulated in endometrial cancer (EC). Hormonal manipulation leads to response in some patients with EC, but resistance derived from PI3K pathway activation has been documented. Targeting mammalian target of rapamycin (mTOR) may overcome endocrine resistance. We conducted a two-institution phase II trial of everolimus and letrozole in women with recurrent EC. Patients were considered incurable, had measurable disease, and were treated with up to two prior cytotoxic regimens. Everolimus was administered orally at 10 mg daily and letrozole was administered orally at 2.5 mg daily. Each cycle consisted of 4 weeks of therapy. Patients were treated until progression, toxicity, or complete response (CR). The primary end point was the clinical benefit rate (CBR), which was defined as CR, partial response, or stable disease (≥ 16 weeks) by RECIST 1.0 criteria. Translational studies were performed to correlate biomarkers with response. Thirty-eight patients were enrolled (median age, 62 years; range, 24 to 82 years). Thirty-five patients were evaluable for response. The CBR was 40% (14 of 35 patients); the median number of cycles among responders was 15 (range, seven to 29 cycles). The confirmed objective response rate (RR) was 32% (11 of 35 patients; nine CRs and two partial responses; median, 15 cycles; range, eight to 29 cycles). Twenty percent of patients (seven of 35 patients) were taken off treatment after a prolonged CR and at the discretion of the treating clinician. None of the patients discontinued treatment as a result of toxicity. Serous histology was the best predictor of lack of response. Patients with endometrioid histology and CTNNB1 mutations responded well to everolimus and letrozole. Everolimus plus letrozole results in a high CBR and RR in patients with recurrent EC. Further development of this combination in recurrent endometrioid EC is under way. © 2015 by American Society of Clinical Oncology.
    Journal of Clinical Oncology 01/2015; 33(8). DOI:10.1200/JCO.2014.58.3401 · 18.43 Impact Factor
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    ABSTRACT: To evaluate if an individual's level of meaning/peace (M/P) predicts various quality of life (QOL) and mental well-being measures. To identify targets that might enhance the overall spiritual well-being and QOL of ovarian cancer patients. Multi-site analysis of women with newly diagnosed stages II-IV ovarian, primary peritoneal, or fallopian tube cancer. Patients completed the following surveys: Functional Assessment of Chronic Illness Therapy-Ovarian (FACT-O), Functional Assessment of Chronic Illness Therapy-Spiritual (FACIT-Sp), Edmonton Symptom Assessment System (ESAS), Hospital Anxiety and Depression Scale (HADS), Templer's Death Anxiety Scale (DAS), Herth Hope Index (HHI), and Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS). Linear regression models were created to examine the effect of M/P (FACIT-Sp) upon QOL, symptoms, and other measures of mental well-being. These models adjusted for the effect of site, race, age, stage, anaphylaxis to chemotherapy, and partner status as potential confounders. This study enrolled 104 patients from three separate sites. After adjusting for potential confounders, it was found that higher M/P predicted better QOL (FACT-O) (p < 0.0001). Higher M/P also predicted decreased death anxiety, depression, and anxiety (p ≤ 0.005). Finally, higher M/P predicted increased hope and coping scores (p ≤ 0.0005). Level of M/P is associated with several important mental and physical health states. This information may allow providers to identify patients at increased risk for mental/physical distress and may facilitate early referral to targeted psychotherapy interventions focused on improving patient QOL and decreasing anxiety and depression.
    Supportive Care Cancer 12/2014; 23(7). DOI:10.1007/s00520-014-2568-6 · 2.36 Impact Factor
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    ABSTRACT: Objective: To use a large-scale multi-institutional dataset to quantify the prevalence of packed red blood cell transfusions and examine the associations between transfusion and perioperative outcomes in gynecologic cancer surgery. Methods: The American College of Surgeons National Surgical Quality Improvement Program (NSQIP) participant use file was queried for all gynecologic cancer cases between 2010 and 2012. Demographic, preoperative and intraoperative variables were compared between transfusion and non-transfusion groups using chi-squared, Fisher's exact and Wilcoxon rank-sum tests. The primary endpoint was 30-day composite morbidity. Secondary endpoints included composite surgical site infections, mortality and length of stay. Results: A total of 8519 patients were analyzed, and 13.8% received a packed red blood cell transfusion. In the multivariate analysis, after adjusting for key clinical and perioperative factors, including preoperative anemia and case magnitude, transfusion was associated with higher composite morbidity (OR = 1.85, 95% CI 1.5-2.24), surgical site infections (OR 1.80, 95% CI 1.39-2.35), mortality (OR 3.38, 95% CI 1.80-6.36) and length of hospital stay (3.02 days v. 7.17 days, P < 0.001). Conclusions: Blood transfusions are associated with increased surgical wound infections, composite morbidity and mortality. Based on our analysis of the NSQIP database, transfusion practices in gynecologic cancer should be scrutinized. Examination of institutional practices and creation of transfusion guidelines for gynecologic malignancies could potentially result in better utilization of blood bank resources and clinical outcomes among patients.
    Gynecologic Oncology 11/2014; 136(1). DOI:10.1016/j.ygyno.2014.11.009 · 3.77 Impact Factor
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    ABSTRACT: Objective: National guidelines recommend prophylactic anticoagulation for all hospitalized patients with cancer to prevent hospital-acquired venous thromboembolism (VTE). However, adherence to these evidence-based recommended practice patterns remains low. We performed a quality improvement (QI) project to increase VTE pharmacologic prophylaxis rates among patients with gynecologic malignancies hospitalized for nonsurgical indications and evaluated the resulting effect on rates of development of VTE. Materials and methods: In June 2011, departmental VTE practice guidelines were implemented for patients with gynecologic malignancies who were hospitalized for nonsurgical indications. A standardized VTE prophylaxis module was added to the admission electronic order sets. Outcome measures included number of admissions receiving VTE pharmacologic prophylaxis within 24 hours of admission; and number of potentially preventable hospital-acquired VTEs diagnosed within 30 and 90 days of discharge. Outcomes were compared between a preguideline implementation cohort (n = 99), a postguideline implementation cohort (n = 127), and a sustainability cohort assessed 2 years after implementation (n = 109). Patients were excluded if upon admission they had a VTE, were considered low risk for VTE, or had a documented contraindication to pharmacologic prophylaxis. Results: Administration of pharmacologic prophylaxis within 24 hours of admission increased from 20.8% to 88.2% immediately following the implementation of guidelines, but declined to 71.8% in our sustainability cohort (P < 0.001). There was no difference in VTE incidence among the 3 cohorts [n = 2 (4.2%) vs n = 3 (3.9%) vs n = 3 (4.2%), respectively; P = 1.00]. Conclusions: Our QI project improved pharmacologic VTE prophylaxis rates. A small decrease in prophylaxis during the subsequent 2 years suggests a need for continued surveillance to optimize QI initiatives. Despite increased adherence to guidelines, VTE rates did not decline in this high-risk population.
    International Journal of Gynecological Cancer 10/2014; 25(1). DOI:10.1097/IGC.0000000000000312 · 1.96 Impact Factor

  • Gynecologic Oncology 06/2014; 133:145. DOI:10.1016/j.ygyno.2014.03.380 · 3.77 Impact Factor
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    ABSTRACT: Background: Bevacizumab and temsirolimus are active agents in gynecologic tumors. Temsirolimus attenuates upregulation of HIF-1α levels, a resistance mechanism for antiangiogenics, and targets the PI3-kinase/AKT/mTOR axis, commonly aberrant in these tumors Patients and Methods: We analyzed safety and responses in 41 patients with gynecologic cancers treated as part of a Phase I study of bevacizumab and temsirolimus. Results: Median age of the 41 women was 60 years (range, 33-80 years); median number of prior systemic therapies was 4 (1-11). Grade 3 or 4 treatment-related toxicities included: thrombocytopenia (10%), mucositis (2%), hypertension (2%), hypercholesterolemia (2%), fatigue (7%), elevated aspartate aminotransferase (2%), and neutropenia (2%). Twenty-nine patients (71%) experienced no treatment-related toxicity greater than grade 2. Full FDA-approved doses of both drugs (bevacizumab 15mg/kg IV Q3weeks and temsirolimus 25mg IV weekly) were administered without dose-limiting toxicity. Eight patients (20%) achieved stable disease (SD) ≥ 6 months and 7 patients (17%), a partial response (PR) [total = 15/41 patients (37%)]. Eight of 13 patients (62%) with high-grade serous histology (ovarian or primary peritoneal) achieved SD ≥ 6 months/PR. Conclusion: Bevacizumab and temsirolimus was well tolerated. Thirty-seven percent of heavily-pretreated patients achieved SD ≥ 6 months/PR, suggesting that this combination warrants further study.
    Oncotarget 03/2014; 5(7). DOI:10.18632/oncotarget.1834 · 6.36 Impact Factor
  • Laura L Holman · Charles F Levenback · Michael Frumovitz ·
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    ABSTRACT: Lymph node status is the most important prognosticator of survival among women with early stage cervical cancer. This means that many cervical cancer patients will undergo pelvic lymphadenectomy as part of their treatment. Unfortunately, this procedure is associated with significant morbidity. Utilizing the sentinel lymph node technique for women with cervical cancer has the potential to decrease this morbidity. Multiple studies have suggested that sentinel lymph node mapping in these patients is feasible with excellent detection rates and sensitivity. This review examines the current body of literature regarding sentinel lymph node biopsy among women with cervical cancer.
    Journal of Minimally Invasive Gynecology 01/2014; 21(4). DOI:10.1016/j.jmig.2013.12.095 · 1.83 Impact Factor
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    ABSTRACT: •There are 2 routes of lymphatic drainage for the uterine fundus—parametrial and ovarian.•The true false-negative rate for sentinel node biopsy in women with endometrial cancer is unknown.•Adherence to a surgical and pathologic algorithm seems to provide an acceptable low false negative rate.
    Gynecologic Oncology 11/2013; 132(2). DOI:10.1016/j.ygyno.2013.11.023 · 3.77 Impact Factor
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    ABSTRACT: Objective: The Affordable Care Act mandates the Prospective Payment System (PPS)-Exempt Cancer Hospitals Quality Reporting program. These 11 hospitals (which are paid fee-for-service rather than on a DRG system) began reporting measures (2 general safety, 2 breast, 1 colon) in 2013. Given this reporting mandate, we set out to determine whether the PPS-exempt gynecologic oncology programs could identify quality measures specific to the care of our patients. Methods: A list of 12 quality measures specific to gynecologic oncology was created (from sources including the National Quality Forum and the SGO). Measures already in use were not included. The list was ranked by the gynecologic oncology program directors at the PPS-exempt hospitals. Descriptive statistics (including mean and SD for rankings) were utilized. Results: Despite mandatory reporting of quality measures for PPS-exempt cancer hospitals, little consensus exists regarding specific gynecologic cancer measures. Documentation of debulking status, cancer survival, and offering minimally invasive surgery (for endometrial cancer) and intraperitoneal chemotherapy (for ovarian cancer) are important, but with widely variable responses (when ranked 1-12, standard deviations are 2-3). General issues regarding adherence to guidelines for the use of GCSF, documentation of functional status, and tracking of patient satisfaction scores were ranked the lowest. Three of the directors reported that their compensation is partially linked to quality outcomes. Conclusions: There is wide variability in ranking of quality measures, and may relate to provider or institutional factors. Despite the mandatory reporting in PPS-exempt cancer hospitals, work remains to define gynecologic cancer quality measures.
    Gynecologic Oncology 05/2013; 130(3). DOI:10.1016/j.ygyno.2013.05.026 · 3.77 Impact Factor
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    ABSTRACT: Current information about the anatomic distribution of lymph node (LN) metastases from cervical cancer is not precise enough for optimal treatment planning for highly conformal radiation therapy. To accurately define the anatomic distribution of these LN metastases, we mapped [(18)F] fluorodeoxyglucose positron emission tomography (FDG PET)-positive LNs from 50 women with cervical cancer. Records of patients with cervical cancer treated from 2006 to 2010 who had pretreatment PET/computed tomography (CT) scans available were retrospectively reviewed. Forty-one consecutive patients (group 1) with FDG-avid LNs were identified; because there were few positive paraortic LNs in group 1, 9 additional patients (group 2) with positive paraortic LNs were added. Involved LNs were contoured on individual PET/CT images, mapped to a template CT scan by deformable image registration, and edited as necessary by a diagnostic radiologist and radiation oncologists to most accurately represent the location on the original PET/CT scan. We identified 190 FDG-avid LNs, 122 in group 1 and 68 in group 2. The highest concentrations of FDG-avid nodes were in the external iliac, common iliac, and paraortic regions. The anatomic distribution of the 122 positive LNs in group 1 was as follows: external iliac, 78 (63.9%); common iliac, 21 (17.2%); paraortic, 9 (7.4%); internal iliac, 8 (6.6%); presacral, 2 (1.6%); perirectal, 2 (1.6%); and medial inguinal, 2 (1.6%). Twelve pelvic LNs were not fully covered when the clinical target volume was defined according to Radiation Therapy Oncology Group guidelines for intensity modulated radiation therapy for cervical cancer. Our findings clarify nodal volumes at risk and can be used to improve target definition in conformal radiation therapy for cervical cancer. Our findings suggest several areas that may not be adequately covered by contours described in available atlases.
    Practical Radiation Oncology 01/2013; 3(1):45-53. DOI:10.1016/j.prro.2012.02.003
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    ABSTRACT: Objective: To determine which patients with near midline lesions may safely undergo unilateral groin dissection based on clinical exam and lymphoscintigraphy (LSG) results. Methods: Patients participating in GOG-173 underwent sentinel lymph node (SLN) localization with blue dye, and radiocolloid with optional LSG before definitive inguinal-femoral lymphadenectomy (LND). This analysis interrogates the reliability of LSG alone relative to primary tumor location in those patients who had an interpretable LSG and at least one SLN identified. Primary tumor location was categorized as lateral (>2cm from midline), midline, or lateral ambiguous (LA) if located within 2cm, but not involving the midline. Results: Two-hundred-thirty-four patients met eligibility criteria. Sixty-four had lateral lesions, and underwent unilateral LND. All patients with LA (N=65) and midline (N=105) tumors underwent bilateral LND. Bilateral drainage by LSG was identified in 14/64 (22%) patients with lateral tumors, 38/65 (58%) with LA tumors and in 73/105 (70%) with midline tumors. At mapping, no SLNs were found in contralateral groins among those patients with LA and midline tumors who had unilateral-only LSGs. However, in these patients groin metastases were found in 4/32 patients with midline tumors undergoing contralateral dissection; none were found in 27 patients with LA tumors. Conclusion: The likelihood of detectable bilateral drainage using preoperative LSG decreases as a function of distance from midline. Patients with LA primaries and unilateral drainage on LSG may safely undergo unilateral SLN.
    Gynecologic Oncology 11/2012; 128(2). DOI:10.1016/j.ygyno.2012.11.034 · 3.77 Impact Factor
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    ABSTRACT: Objective: To compare the incidence of venous thromboembolism (VTE) before and after the implementation of standardized extended duration prophylaxis guidelines in women undergoing laparotomy for gynecologic cancer. Methods: In October 2009, departmental practice guidelines were implemented for VTE prevention. Patients undergoing laparotomy for gynecologic cancer were started on low molecular weight heparin (LMWH) within 24h of surgery and it was continued for a total of 28 days postoperatively. The incidence of VTE diagnosed within 30 and 90 days of surgery was determined and compared to a historic cohort of patients who underwent surgery prior to implementation of the guidelines. Results: The incidence of VTE within 30 days of surgery decreased from 2.7% (8/300) to 0.6% (2/334) following implementation of VTE prevention guidelines (78% reduction, p=0.040). However, when the pre and post-guideline implementation groups were compared for the development of VTE within 90 days of surgery, there was no significant difference (11/300 (3.7%) vs. 10/334 (3.0%) respectively, p=0.619). The median time between surgery and VTE diagnosis was 12 days in the pre-guideline implementation group, compared with 57 days in the post-guideline implementation group (p=0.012). Conclusion: Patients receiving extended duration LMWH were found to have significantly lower rates of VTE within 30 days of surgery when compared with similar patients who did not receive extended duration LMWH. However, this effect was not sustained when the groups were compared for VTE diagnosis within 90 days of surgery. Additional study is needed to further reduce long-term VTE rates in this high-risk population.
    Gynecologic Oncology 11/2012; 125(2). DOI:10.1016/j.ygyno.2012.11.027 · 3.77 Impact Factor
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    ABSTRACT: Preclinical data suggest that combining the mTOR/hypoxia-inducible factor (HIF) inhibitor temsirolimus and the antiangiogenesis antibody bevacizumab may augment antitumor activity as well as resensitize cells to anthracyclines. We initiated a phase I study of bevacizumab and temsirolimus plus liposomal doxorubicin in patients with advanced malignancies. Patients (N = 136) were enrolled according to a modified 3 + 3 design plus dose expansion in responsive tumor types. The most common cancers were breast (n = 29), epithelial ovarian (n = 23), and colorectal cancer (n = 17). The median number of prior chemotherapy regimens was four (range: 0-16). Grade 3 or higher adverse events (> 5%) included pancytopenia, mucositis, hand-foot syndrome, hypertension, and fistula. This regimen led to a 21% (n = 28) stable disease (SD) ≥ 6 months and 21% (n = 29) rate of partial or complete remission [PR/CR; (total SD ≥ 6 months/PR/CR = 42% (n = 57)]. PR/CR was most common in parotid gland adenocarcinoma (4/6, 67%), metaplastic breast cancer (5/12, 42%), endometrial endometrioid carcinoma (6/15, 40%), and in patients with a PIK3CA mutation and/or a PTEN mutation/loss (11/28, 39%). The maximum tolerated dose was liposomal doxorubicin 30 mg/m(2) and bevacizumab 15 mg/kg every three weeks with temsirolimus 25 mg weekly. Patients tolerated bevacizumab and temsirolimus together with liposomal doxorubicin. Further evaluation, especially in patients with parotid, metaplastic breast, and endometrial endometrioid cancer, and in patients with PIK3CA and/or PTEN aberrations is warranted. Clin Cancer Res; 18(20); 5796-805. ©2012 AACR.
    Clinical Cancer Research 08/2012; 18(20):5796-805. DOI:10.1158/1078-0432.CCR-12-1158 · 8.72 Impact Factor
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    ABSTRACT: Objectives: Lymphatic mapping studies in women with cervical cancer typically identify sentinel nodes (SLNs) in the pelvis and not the parametrium. We added India ink as a mapping agent to determine whether this would allow us to pathologically identify sentinel parametrial nodes and to test our hypothesis that the parametrial nodes are the true SLNs in women with cervical cancer. Methods: We performed lymphatic mapping and SLN biopsy in 20 women with early-stage cervical cancer undergoing radical hysterectomy or trachelectomy using a "triple injection" technique with blue dye, radiocolloid, and India ink. Pathologic processing of parametrium and nodal tissue was then performed to identify India ink in specimens. Results: On pathology review, 15 (75%) patients had a parametrial node identified, and 9 patients (45%) had bilateral parametrial nodes identified; the median number of parametrial nodes identified was 2 (range, 0-7). India ink was seen in at least 1 parametrial node in 13 (87%) of the 15 patients with a parametrial node identified pathologically. Of the 9 patients with bilateral parametrial nodes identified pathologically, only 5 (54%) had bilateral parametrial nodes containing India ink. India ink was found in 26 (44%) of 59 SLNs and only 1 (0.3%) of 289 non-SLNs. In 5 patients, India ink was seen in a SLN on the same side of the pelvis where a parametrial node was identified but not microscopically black. Conclusions: There appears to be direct drainage of cervical lesions to pelvic nodal basins bypassing small parametrial nodes. Parametrial nodes, therefore, may not always be the SLNs in women with cervical cancer.
    Gynecologic Oncology 08/2012; 127(3). DOI:10.1016/j.ygyno.2012.08.015 · 3.77 Impact Factor

Publication Stats

8k Citations
983.61 Total Impact Points


  • 1994-2015
    • University of Texas MD Anderson Cancer Center
      • • Department of Gynecologic Oncology
      • • Division of Radiation Oncology
      Houston, Texas, United States
  • 2011
    • Johns Hopkins Medicine
      Baltimore, Maryland, United States
  • 1995-2009
    • University of Houston
      Houston, Texas, United States
  • 2000-2006
    • Gynecologic Oncology Group
      Buffalo, New York, United States
  • 1992
    • Memorial Sloan-Kettering Cancer Center
      • Gynecology Service
      New York, New York, United States