Lung Cancer: Practical Application of Imaging In ......• Adrenal masses can be characterized by...
Transcript of Lung Cancer: Practical Application of Imaging In ......• Adrenal masses can be characterized by...
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Lung Cancer: Practical Application of Imaging In Determining Resectability
Jeremy J. Erasmus, M. D.
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62 year old man with a superior sulcus tumor. Which of the following precludes surgical resection in this patient:
• A. Extension of tumor into the intervertebral foramen
• B. Vertebral body involvement
• C. Invasion of the brachial plexus
• D. Invasion of the subclavian artery
• E. Invasion of the rib
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Superior Sulcus Tumor
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Superior Sulcus Tumor
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Superior Sulcus Tumor
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NSCLC
• T4Satellite nodule/s in ipsilateral non-tumor lobe
Invasion of vertebral body, heart, trachea, esophagus and mediastinum
TNM Staging
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T4
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T4
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T4
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T4
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T4 NSCLC Invading Left Atrium (LA) and Greater Vessels
• 105 patients NSCLC T4N0-2M0
• 79 men, 26 woman, 36-75 years (median, 59)
• Tumor invading LA n=25, SVC n=23, PA n=57
• Complete resection possible in 73%
• 5 year survival 49% complete resection, 18% incomplete
• N status significant influence on overall 5 year survival (62% N0, 51% N1, 12% N2)
Wang XX, et al. Surgical resection of IIIb-T4 lung cancer invading left atrium and great vessels. Chin Med J. 2010;123:265-8.
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NSCLC Staging
• N0 No regional nodal metastasis
• N1 Metastasis to ipsilateral hilar nodes
• N2 Metastasis to ipsilateral mediastinal and/or subcarinal nodes
• N3 Metastasis to contralateral hilar, mediastinal or supraclavicular nodes
Nodal (N) Status
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NSCLC Staging
• Detection of metastasis by CT based on size
• CT: estimated sensitivity 57%, specificity 82%Toloza EM et al. Noninvasive staging of NSCLC: a review of the current evidence. Chest 2003;123:137S-46S.
Nodal (N) Status
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NSCLC FDG-PET
• “Test Performance Of PET And CT For Mediastinal Staging In Patients With Non-small-cell Lung Cancer”
Gould et al., Ann Int Med 2003;139:879-892
• “The Size Of Mediastinal Lymph Nodes And Its Relation With Metastatic Involvement: A Meta-analysis”
de Langen et al., European J of Cardiothorac Surg 2006;29:26-29
Nodal (N) Status
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NSCLC FDG-PET
• PET NegativeNormal-sized nodes: posttest probability 6% Enlarged nodes: posttest probability 24%
• PET PositiveNormal-sized nodes: posttest probability 63%Enlarged nodes: posttest probability 93%
Nodal (N) Status
Gould et al. Ann Int Med 2003;139:879-892
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?N2
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?N2
Post test probability of malignancy 93%
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N0
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Revised Staging IASLC
• M1aMalignant pleural or pericardial effusion Malignant pleural noduleNodule in contralateral lung
• M1bDistant metastasis
Postmus P et al. The IASLC Lung Cancer Staging Project: Proposals for the Revision of the M descriptors in the Forthcoming (Seventh) Edition of the TNM Classification for Lung Cancer: J Thorac Oncol 2007;2:686-693
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Adrenal M1 M1b
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Adrenal M1 M1b
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Evaluation of Adrenals in NSCLC• 21 studies, 1391 lesions (824 benign, 567 malignant)
• Qualitative visual analysis 841 (14 reports), quantitative SUV 824 (13 reports), SUR 562 (8 reports)
• Mean sensitivity 0.97, specificity 0.91
• Lung cancer (5 reports) sensitivity 0.94, specificity 0.82
• Visual analysis best characterization of malignant adrenal lesions but no significant difference to SUV, SUR
• Adrenal masses can be characterized by FDG-PET, subsequent imaging usually unnecessary
Boland G, et al. Characterization of adrenal masses by using FDG PET: asystematic review and meta-analysis of diagnostic test performance. Radiology, 2011;259:117-26.
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Bone M1b
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NSCLC FDG-PET
• 188 with potentially resectable NSCLC
• Randomized to CW (96) or CW + PET (92)
• 78/96 CW underwent thoracotomy
• 60/92 CW + PET underwent thoracotomy
PLUS Trial
Van Tinteren, H et al. Effectiveness of PET in the preoperative assessment of patients with suspected NSCLC: the PLUS randomized trial. Lancet 2002;356:1388-1393
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NSCLC FDG-PET
• CW (n=78)39 (50%) non-futile 39 (50%) futile
• CW + PET (n=60)41 (68%) non-futile 19 (31%) futile
PLUS Trial
Van Tinteren, H et al. Effectiveness of PET in the preoperative assessment of patients with suspected NSCLC: the PLUS randomized trial. Lancet 2002;356:1388-1393
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NSCLC FDG-PET
• Addition of PET to CW prevented futile surgery in 1 of 5 patients
PLUS Trial
Van Tinteren, H et al. Effectiveness of PET in the preoperative assessment of patients with suspected NSCLC: the PLUS randomized trial. Lancet 2002;356:1388-1393
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NSCLC FDG-PET
• 183 patients with stage I-II NSCLC
• Randomly assigned CW (92) or CW + PET (91)
• 90/92 CW underwent thoracotomy
• 87/91 CW + PET underwent thoracotomy
PET in Stage I-II Management
Viney, RC et al. Randomized controlled trial of the role of PET in the management of stage I and II NSCLC. J Clin Oncol 2004;22:2357-2362
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NSCLC FDG-PET
• PET upstaged 15 patients Stage IIIa (n=11)Stage IIIb (n=2) Distant metastases (n=2)
• PET improves appropriate stage specific management
• PET does not significantly reduce thoracotomy
PET in Stage I-II Management
Viney, RC et al. Randomized controlled trial of the role of PET in the management of stage I and II NSCLC. J Clin Oncol 2004;22:2357-2362