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1 Lung cancer Edit Csada MD 08.10.2014.
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2 Epidemiology Globocan 2012. Lung cancer is the most frequent malignant disease New cases:1,82 million/year (13%) Mortality:1,59 million/year Most frequent cause of death amoung malignant diseases>colon+prostate+breast Europe:~1000 death/day Lung cancer fatality: 159/1852 = 0,87 breast cancer fatality:0,35 Male/female: 2,4/1
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3 New diseases according to ages Until 40 years :1%↓ 40-49 years:10%↓ 50-59 years:~30% 60-69 years:~30% Above 70 years:30%↓
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4 Etiologic factors Smoking Athmospheric pollution Ionisation Occupational factors Smoking Athmospheric pollution Ionisation Occupational factors asbestos, radon, etc Other lung diseases tb, COPD, ILD Genetic events
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5 Smoking 400 chemical materials 60 carcinogens Gas and particulate phase Nitrosamines, aromatic amines, benzopyrene, CO, CO2, aldehids, nicotin, free radicals Pack-year
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6 Smoking and Lung Cancer 85-90% of lung cancer patients are smokers Damages of 10-15 gens have role in the development of lung cancer 86% of smokers have damages of these gens
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7 Molecular biology of lung cancer Genetic damages Deletion Mutations Amplifications Tumor suppressor gen injury (p53, RB1) Inhibation of proliferation Repair mechanism Induction of apoptosis Protooncogen abnormalities Autocrine growth factors membran receptors transcription factors
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A tüdőrák molekuláris biológiája SQCLCACSCLC Proliferáció/onkogen EGFR/TK mutációAmplifikáció(?)30% HER2ampl./mut.<5% KRAS mut.5%20% CMYC ampl.20% LMYC Proliferáció/suppr. p53 mut.50% 90% Rb(vesztés, metil.)20% 90% P16(vesztés, metil.)50%(?) <10% Apoptosis FHIT(vesztés)80% BCL2 fokozott30% 80% Kszpáz8(metil)80% DAPK(vesztés)50%
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9 Genetic defects in lung cancer SCLC (%) NSCLC (%) 3p deletion 9050-80 3p14.28040 Rb80-9015-30 P16 (promoter metilation) 716 P53 (mutation) 8050-60 C-Myc10-405-10 Ras (H,K,N) 020-30 HER2/neu?25 Bcl-2 expression 75-9025-30 Procaspase-8 decrease 80? Telomerase10080
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10 Prevention Primary Smoking sessation Secundary Screening X-ray LDCT
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11 Histology of lung cancer Non small cell lung cancer Squamous cell carcinoma (30%) Well, or less differentiated, with or without keratinisation Adenocancer (45%) acinarpapillarybronchioloalveolar with mucus formation Large cell carcinoma (10%↓) clear cell giant cell
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13 Histology of lung cancer Small cell lung cancer (15%) Oat cell Intermediate cell type Combined type Carcinoid tumor Bronchial gland carcinomas Adenoid cystic carcinoma Mucoepidermoid carcinoma
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Hitology in Hungary Korányi Bulletin 2012 152015. 06. 09.2015. 06. 09.2015. 06. 09.
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Molecular types of adenoc. 2015. 06. 09.2015. 06. 09.2015. 06. 09.16 Tímár József, Magyar Onkológia 57:26-32, 2013.03.
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17 Pathological prognostic factors TNM Histology Histological differentiation Invading vessels Necrosis Proliferation activity Prognostic proteins
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18 Symptoms Frequency (%) Cough 45 - 75 % Dyspnoe 37 - 58 % Haemopthysis 27 – 57 % Weight loss 8 – 68 % Chest pain 27 – 49 % Hoarsness 2 – 18 %
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19 Symptoms of lung cancer Regional spread Superior vena caval sy Recurrent laryngeal nerve paralysis (hoarsness) Phrenic nerve paralysis elevated hemidiaphragm Horner’s sy Pancoast’s sy Trachea obstruction Oesophagus obstruction Pleural effusion Lymphatic tumor spread
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Vena cava superior sy 2015. 06. 09.2015. 06. 09.2015. 06. 09.21 Sárosi Veronika anyaga
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Pálföldi Regina anyaga Pancoast tumor 2015. 06. 09.2015. 06. 09.2015. 06. 09.22
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23 Squamous cell cancerAdeno-cancer Small cell cancer Large cell cancer Ectopic parathormon productin, hypercalcaemia +-+- Ectopic ACTH production, Cushing-syndrom +++- Osteoarthropathy, digital clubbing +++++ Eaton - Lambert syndrom --+++- Peripherial neuropathy, subacut cerebellar degeneration ++++ Polymyositis, dermatomyositis ++++ Thrombophlebitis migrans, DIC -+++++ Nephrosis syndrom ++++ Inappropriate ADH production (SIADH) --+-
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Dobverő ujj, óraüveg köröm 2015. 06. 09.2015. 06. 09.2015. 06. 09.24 Sárosi Veronika anyaga
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25 Diagnostic procedures Imaging technics Endoscopy Pathology Laboratory tests (?)
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26 Diagnostic procedures Imaging technics Chest x-rays CT MRI Isotope scanning PET/CT Ultrasound
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27 Bronchoscopy: sample taking, staging Biopsy Brushing Transbronchial biopsy Transbronchial needle aspiration (TBNA, EBUS) Washing BAL
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28 Other sample takings TTB, x-ray or CT supervision Percutan pleura biopsy Lymphnode aspiration biopsy Surgical biopsy Mediastinoscopy Parasternal mediastinotomy (Stemmer) (Stemmer) VATS Thoracotomy (10%↓)
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Staging 1 T1a = Tumor ≤2 cm in greatest dimension, surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (i.e., not in the main bronchus). T1b = Tumor >2 cm but ≤3 cm in greatest dimension 29
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Staging 2 T2a = Tumor >3 cm but ≤5 cm in greatest dimension, or tumor with any of the following features: involves main bronchus, ≥2 cm distal to the carina; invades visceral pleura (PL1 or PL2); or is associated with atelectasis or obstructive pneumonitis that extends to the hilar region but does not involve the entire lung. T2b = Tumor >5 cm but ≤7 cm or less in greatest dimension 30
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Staging 3 T3 = Tumor >7 cm or one that directly invades any of the following: parietal pleural (PL3) chest wall (including superior sulcus tumors), diaphragm, phrenic nerve, mediastinal pleura, or parietal pericardium or tumor in the main bronchus ( 7 cm or one that directly invades any of the following: parietal pleural (PL3) chest wall (including superior sulcus tumors), diaphragm, phrenic nerve, mediastinal pleura, or parietal pericardium or tumor in the main bronchus (<2 cm distal to the carina b but without involvement of the carina) or associated atelectasis or obstructive pneumonitis of the entire lung or separate tumor nodule(s) in the same lobe 31
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Staging 4 T4 = Tumor of any size that invades any of the following: mediastinum, heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, vertebral body, carina, or separate tumor nodule(s) in a different ipsilateral lobe. 32
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Staging 5 N0 = No regional lymph node metastasis. N1 = Metastasis in ipsilateral peribronchial and/or ipsilateral hilar lymph nodes and intrapulmonary nodes, including involvement by direct extension. N2 = Metastasis in ipsilateral mediastinal and/or subcarinal lymph node(s). N3 = Metastasis in contralateral mediastinal, contralateral hilar, ipsilateral or contralateral scalene, or supraclavicular lymph node(s). 33
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Staging 6 M0 = No distant metastasis. M1a = Separate tumor nodule(s) in a contralateral lobe tumor with pleural nodules or malignant pleural (or pericardial) effusion M1b = Distant metastasis (in extrathoracic organs). 34
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36 Metastases Liver: CT, ultrasound, PET/CT Bones: scintigraphy, CT, PET/CT Adrenals: CT, ultrasound, PET/CT Brain: MRI, CT
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37 Prognostic factors Poor performance status Karnofsky, WHO ECOG Weight loss, more than 10% Elevated LDH Elevated tumormarker (CEA, NSE, SCC) Old age
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Performance status GradeECOG 0 Fully active, able to carry on all pre-disease performance without restriction 1 Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work 2 Ambulatory and capable of all selfcare but unable to carry out any work activities. Up and about more than 50% of waking hours 3 Capable of only limited selfcare, confined to bed or chair more than 50% of waking hours 4 Completely disabled. Cannot carry on any selfcare. Totally confined to bed or chair 5 Dead 38
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Performance status Karnofsky scaleDescription 100Normal; no complaints; no evidence of disease 90 Able to carry out normal activity; minor signs or symptoms of disease 80 Normal activity with effort; some signs or symptoms of disease 70 Cares for self; unable to carry on normal activity or do active work 60 Requires occasional assistance, but is able to care for most of his/her needs 50Requires considerable assistance and frequent medical care 40Disabled; requires special care and assistance 30 Severely disabled; hospitalization is indicated although death not imminent 20 Very sick; hospitalization necessary, active supportive treatment necessary 10Moribund; fatal processes progressing rapidly 0Dead 39
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40 Therapy of lung cancer Surgery Radiotherapy Radiochemotherapy Chemotherapy Molecular target therapy Supportive treatment
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Surgery The type of surgical procedure depends on staging, the patient’s performance status, cardiopulmonal function and comorbidities. The aim is radical resection Sublobar resection may have a role in very early diseases. Thoracotomy Video assisted thoracoscopy (VATS) 41
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Surgery Absolute contraindications: haematogen metastases in the lungs pleuritis carcinomatosa III.b stage disease multiplex distanti metastases Relative contraindications 42
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43 Surgery (20-25%) NSCLC IIIA stage Lobectomy, pulmonectomy, sleeve lobectomy, extensive resection – radical Segmentectomy, wedge resection – mostly non radical Early stage SCLC, as part of combined therapy Carina resection? Before surgery: lung function, Ecg, functional evaluation
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44 Radiation therapy NSCLC: III.A, III.B stage SCLC: combined with chemotherapy Inoperable patient with resecable disease Resected N2 disease, in combined treatment Metastasis palliation Pancoast’s tu Brain metastasis (stereotactic, whole brain) PCI Brachytherapy Radiochemotherapy!
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Combination of radio/chemotherapy Sequential ChT RT(ChT RT ChT) ChT RT(ChT RT ChT) Concomitant ChT/RT ChT/RT Timing - Induction: ChT ChT/RT - Induction: ChT ChT/RT - Consolidation: ChT/RT ChT - Consolidation: ChT/RT ChT 45
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Chemotherapy Neoadjuvant treatment Before surgery IIIa stage Adjuvant treatment After surgery II-IIIa stage First-, second-, thirdline….. IIIb, IV stage 46
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47 First line treatment of NSCLC Chemotherapy Cis-, carboplatin-gemcitabin Cis-, carboplatin-paclitaxel Cisplatin-docetaxel Cisplatin-vinorelbin Cisplatin-pemeterexed (non squamous c) Doublet+bevacizumab(adenoc) Adenoc.: EGFR mutácio pozitivitás Erlotinib, gefitinib, afatinib
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48 Second line treatment of NSCLC Chemotherapy Docetaxel monoterapy Pemetrexed monoterapy Adenoc.: EGFR mutation positivity/KRAS negativity gefinitib, erlotinib
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Diagnózis CR/PR/SD PD PD-ig eltelt idő megnyúlik Klasszikus kezelés Új megközelítés Diagnózis CR/PR/SD PD Fenntartó kezelés Maintenance treatment Elsővonalbeli kezelés Platina-alapú kettős kombináció (4–6 ciklus) Kezelési szünet Másod- és többedvonalbeli kezelés Bevacizumab Pemetrexed ellotinib
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Surgery in SCLC I/A-I/B: resection Postoperative chemotherapy Adjuvant irradiation in positive node status Induction chemohterapy
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Chemoterapy in SCLC Absoute indication Cisplatin/carboplatin-Vepesid ECO (epirubicin-cyclophoscphamid-vincristin) Topotecan (Hycamtin) (2. line) Progression: Within 3 months (resistant disease): new combination Over 3 months (senzitive disease): reinduction therapy with the original drugs
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Radiotherapy in SCLC LD: radio-chemotherapy PCI: preventíve cerebral irradiation In LD and ED Remission after treatment Dose: 25-30 Gy Possible impairment of neurocognitive functions
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53 Molecular target therapy EGFR tirosin kinase inhibitors Erlotinib (Tarceva) Gefinitib (Iressa) afatinib Angiogenesis inhibitors (VEGF) Bevacizumab (Avastin) Alk-EML4 fusion gen inhibitor Crizotinib (Xalkori)
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54 Supportive treatment Pain control WHO suggestion Adverse events control Thrombosis prophylaxis Malignant pleural fluid treatment Bone metastases treatment Endobronchial palliation Nutrition
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55 WHO’s pain stairs (1986) III. I. II. Non opioid ± adjuvant Weak opioid ± non opioid ± adjuvant Strong opioid ± non opioid ± adjuvant 24 h 24 h 24 h
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56 Supportive treatment Pain control Adverse events control febrile neutopenia Anaemia (erythropoetin) Nausea, vomiting Thrombosis prophylaxis Malignant pleural fluid treatment pleurodesis Bone metastases treatment bisphosphonat Endobronchial palliation Nutrition
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57 Prognosis I. stage:55-80% II. stage:30-50% III.a stage:10-30% III.b stage:4% IV. stage:1% Five year survival: 15-17%
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58 Thank you for your attention!
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