challenges of delivering radiation therapy in … chomporn speaker...obstacles prert period: waiting...
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Gynecologic Cancer InterGroup
Cervix Cancer Research Network
Challenges of delivering
radiation therapy in
developing countries
Cervix Cancer Education Symposium, January 2016, Bangkok, Thailand
Chomporn Sitathanee, M.D.
Radiation Oncology, Ramathibodi Hospital, Mahidol
University, Bangkok, Thailand
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Kingdom of Thailand
Capital Bangkok
Provinces 77
Population 67 m
Area 513,120 sq.km.
Pop Density 132 man/sq.km.
GDP 5,779 US$/Capita
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Cancer Statistics
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Female leading cancers in Thailand
Cancer in Thailand vol. VIII, 2010-12
6,426 cases in 2011
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Mean annual ASR of cervical cancer
Per 100,000 population
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Cervical cancer stage distribution
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21.2 21.3
22.3 21.6
22.0 22.3 22.5
12.8 13.3 13.5
14.1 14.6
15.9 16.6
6.3 6.8
7.3 7.3 7.7
8.4 8.9
5.2 5.2 5.4 5.3 5.4 5.4 5.9
3.0 3.0 3.1 2.9 3.2 3.3 3.5
0.0
5.0
10.0
15.0
20.0
25.0
2006 2007 2008 2009 2010 2011 2012
Hepatobiliary
Lung
Breast
Cervix
Leukemia
Cancer Mortality Rate 2011
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13.5
16.3 17.2
20.6 20.9
25.6 26.4
23.4
20.9
19.5
24.7
18.1 17.7 16.7
0.0
5.0
10.0
15.0
20.0
25.0
30.0
1991 1994 1997 2000 2003 2006 2009
Breast Cervix uteri
Breast
Cervix
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Ramathibodi Hospital 2014
3,280 new cancer cases
Female: Breast 688, thyroid 145, cervix 138
Median age 55 y
Sq cell CA 80%
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Number of new cases
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Health system & Resource
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Cancer care hospital
Primary: surgery,
chemo
Secondary: surgery,
chemo, RT
Tertiary (university
hospital): complex
surgery, chemo, RT
13 health sectors
1
12
11
10 9
8
7
6 5
4
3
2
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Radiation oncologist 116
Med physicist 93
RTT 246
Man power
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CT simulator 22
Co-60 13
Linac 62
IMRT 25
HDR brachy 24
LDR brachy 3
Machine
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Obstacles
PreRT period:
Waiting time at gyne onco, patho
Pretreatment evaluation:
- long-waiting time for CT/MRI
- PET not covered
Referral time: reimbursement system
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Obstacles
RT period: >>inadequate machine (esp
LINAC), shortage of man power, pt overload
Waiting time to visit radiation oncologist
Waiting time to start RT
Hard to perform sophisticated technique: IMRT
or even 3D for EBRT, 3D-IGBT (MRI rarely
available), no dedicated gyne RT
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Radiation Oncologist
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Radiation Physicist
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Radiation Therapy Technologists
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Megavoltage Machines
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HDR unit
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Waiting time
Dx – fist visit with
rad onc (day)
Visit with rad onc
– start RT (day)
Medical
school 0-45 (10) 5-62 (24)
Public general
hospital 0-150 (29) 1-32 (14)
Public cancer
hospital 0-33 (13) 2-45 (20)
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Thank you