scholarly journals Anatomic Location of PET-Positive Aortocaval Nodes in Patients with Locally Advanced Cervical Cancer: Implications for Surgical Staging

2012 ◽  
Vol 22 (7) ◽  
pp. 1203-1207 ◽  
Author(s):  
Michael Frumovitz ◽  
Pedro T. Ramirez ◽  
Homer A. Macapinlac ◽  
Ann H. Klopp ◽  
Alpa M. Nick ◽  
...  

ObjectivePathologic evaluation of aortocaval nodes in patients with locally advanced cervical cancer in an effort to better tailor radiotherapy has gained popularity. We sought to determine which aortocaval nodes should be sampled during surgical staging procedures.MethodsFrom 2004 to 2011, 246 patients with locally advanced cervical cancer underwent positron emission tomography (PET) before definitive chemoradiation. We reviewed the imaging studies to determine the location of PET-positive aortocaval nodes in relationship to the inferior mesenteric artery (IMA).ResultsForty-two patients (17%) had PET images suggesting aortocaval metastasis. Ten patients had stage IB, 1 had stage IIA, 13 had stage IIB, 13 had stage IIIB, and 5 had stage IV disease. Of these 42 patients, 39 (93%) had FDG-avid pelvic nodes, 1 (2%) had PET-negative pelvic nodes but FDG-avid common iliac nodes, and 2 (5%) had direct spread to the aortocaval nodes. Three patients (7%) had FDG-avid aortocaval nodes above the IMA without FDG-avid nodes between the aortic bifurcation and IMA. All 3 of these patients also had FDG-avid nodes in the pelvis. Nineteen patients (45%) had FDG-avid nodes above and below the IMA, and 20 (48%) had FDG-avid nodes below the IMA only.ConclusionsThis hypothesis-generating study revealed that a small number of patients have PET-positive aortocaval nodes above the IMA only. For patients undergoing surgical staging for locally advanced cervical cancer, dissection to the renal vessels may be necessary. A future international, randomized study will prospectively evaluate the locations of pathologically positive aortocaval lymph nodes.

2013 ◽  
Vol 31 (24) ◽  
pp. 3026-3033 ◽  
Author(s):  
Sebastien Gouy ◽  
Philippe Morice ◽  
Fabrice Narducci ◽  
Catherine Uzan ◽  
Alejandra Martinez ◽  
...  

Purpose The aim of this prospective study conducted in three French comprehensive cancer centers was to evaluate the therapeutic impact on survival of laparoscopic para-aortic (PA) staging surgery in locally advanced cervical cancer (LACC) before chemoradiotherapy. Patients and Methods We conducted a prospective multicenter study of 237 patients treated from 2004 to 2011 for LACC with negative positron emission tomography (PET) imaging of the PA area and undergoing laparoscopic PA lymphadenectomy. Radiation fields were extended to the PA area when PA nodes were involved. Chemoradiotherapy modalities were homogeneous across institutions. Patients with a poor prognosis histologic subtype or peritoneal carcinosis were excluded. Results Patients had clinical International Federation of Gynecology and Obstetrics stages IB2 (n = 79), IIA (n = 10), IIB (n = 121), III (n = 22), or IVA (n = 5). One hundred ninety-nine patients had squamous carcinoma, and 38 had adenocarcinoma/adenosquamous lesions. Twenty-nine patients (12%) had nodal involvement (false-negative PET–computed tomography [CT] results)—16 with a PA nodal metastasis measuring more than 5 mm and 13 with a nodal metastasis measuring ≤ 5 mm. Event-free survival rates at 3 years in patients without PA involvement or with PA metastasis measuring ≤ or more than 5 mm were 74% (SE, 4%), 69% (SE, 21%), and 17% (SE, 14%; P < .001). Conclusion To our knowledge, this is the largest series of patients reported undergoing such a strategy. We obtained the same survival rate for patients with PA nodal metastasis ≤ 5 mm and patients without PA lymph node involvement, suggesting that this strategy is highly efficient in such patients. Conversely, the survival of patients with PA nodal involvement greater than 5 mm remained poor, despite the absence of extrapelvic disease on PET-CT imaging in this subgroup.


2019 ◽  
Vol 37 (15_suppl) ◽  
pp. 5528-5528
Author(s):  
Dorothy Chilambe Lombe ◽  
Juanita M. Crook ◽  
Francois Bachand ◽  
Deidre Batchelar ◽  
Jocelyn Moore ◽  
...  

5528 Background: Cervical cancer is the leading cause of cancer mortality of women in Low and Middle Income Countries (LMIC). Interstitial needles (IN) have improved outcomes but the resources required in comparison to intracavitary brachytherapy (IC) alone has impeded uptake in endemic regions. We conducted a retrospective review of the utilisation of IN in the management of locally advanced cervical cancer and simulated 2D planning by loading the applicators using standard Manchester loading (ML) to explore the magnitude of benefit that interstitial needles provide. Methods: 72 brachytherapy plans of 18 patients who had undergone treatment using tandem and ring and had interstitial brachytherapy between 04/2016 and 10/2018 were reviewed. ML plans prescribed to point A were generated to represent a 2D scenario but the known HR-CTV was taken into consideration and its dosimetric outcomes were compared to those of the 3D based plans. Results: The median tumour volume was 23 cm3. IN was used in 82 % of the insertions. The median number of IN was 2 (range 0 – 6) with median percentage of IN dwell time 6.6 % (range 0.68 – 38.5). V100 was excellent 98.2% for ML 97.3% for 3D IN and 98.7% for 3D non-IN plans. The median HRCTV D90 was 8.5 Gy/fraction (cumulative EQD210101.4 Gy) for ML plans and 8.0 Gy/fraction (cumulative EQD210 91.4 Gy) for 3D plans. The ML plans failed to meet the OAR goals except for the rectum, which was optimally distanced by the rectal paddle. The median bladder, sigmoid and small bowel doses were 24% above the recommended constraint in the individual plans and 15% cumulative EQD2. A statistically significant relationship was found between the number of needles utilised, tumour volume (p < 0.001) and coverage (p = 0.006) but not delivered dose (p < 0.068). Conclusions: 2D brachytherapy can provide adequate dose coverage for most tumours but IN provide a benefit in reducing the doses to OARs in a significant number of patients. This justifies investment in resources for uptake of interstitial needles to increase access to optimal treatment of cervical cancer for women in LMIC. This research was made possible an ASCO Conquer Cancer Foundation grant.


2020 ◽  
Vol 30 (9) ◽  
pp. 1434-1443
Author(s):  
Alejandra Martinez ◽  
Martina Aida Angeles ◽  
Denis Querleu ◽  
Gwenael Ferron ◽  
Christophe Pomel

Para-aortic lymph node status at initial assessment is the most important prognostic factor and a key point for the therapeutic strategy in patients with locally advanced cervical cancer. Undiagnosed lymph node metastasis is a major clinical problem as the finding of positive para-aortic lymph nodes leads to treatment modification, with a possible impact on disease free survival. When aortic lymph node disease is discovered, radiotherapy is extended to the para-aortic area, and other treatment modalities may be considered. Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) is the most accurate imaging examination to assess para-aortic extension in patients with locally advanced cervical cancer. The gold standard to identify para-aortic extension remains histologic evaluation of the lymph nodes. Indeed, PET/CT fails to detect approximately 10–15% of patients with negative PET/CT aortic nodes who have lymph node metastasis on pathologic staging. Patients with positive pelvic lymph nodes have para-aortic extension in 25–30% of cases, and surgical staging will lead to treatment modification and probably to improved para-aortic and distant control. Surgical staging also avoids unnecessary toxicity associated with extended field radiation in approximately 75% of patients with pelvic lymph node metastasis. The best modality to identify para-aortic extension is histological evaluation of the lymph nodes, but the survival benefit of surgical staging remains controversial. On the other hand, current studies include a majority of patients without pelvic lymph node spread, who are likely to be those who will benefit the least from surgical staging.


2015 ◽  
Vol 138 (2) ◽  
pp. 299-303 ◽  
Author(s):  
Armin Vandeperre ◽  
Erik Van Limbergen ◽  
Karin Leunen ◽  
Philippe Moerman ◽  
Frédéric Amant ◽  
...  

2009 ◽  
Vol 100 (6) ◽  
pp. 505-510 ◽  
Author(s):  
Heitor Ricardo Cosiski Marana ◽  
Jurandyr Moreira de Andrade ◽  
Francisco José Cândido dos Reis ◽  
Daniel Guimarães Tiezzi ◽  
Fábio Eduardo Zola ◽  
...  

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