Estimasi mean gradular dose (MGD) pada mamografy computed radiografy(CR) = The estimation of Mean Glandular Dose (MGD) on Mammography Computed Radiography (CR)
Eunike Serfina Fajarini;
Dwi Seno Kuncoro Sihono, supervisor; Heru Prasetio, supervisor; Djarwani Soeharso Soejoko, examiner; Kristina Tri Wigati, examiner
(Universitas Indonesia, 2011)
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ABSTRAK Sampai sekarang mamografi merupakan program skrining utama untuk deteksi dinikanker payudara khususnya untuk kaum wanita, akan tetapi pemberian informasitentang dosis yang diterima pasien masih jarang dilakukan. Padahal payudaramerupakan salah satu organ sensitif terhadap radiasi pengion karena mampumenginduksi kanker. Sehingga perlu dilakukan estimasi dosis pasien padapemeriksaan mamografi untuk mengetahui nilai dosis yang diterima oleh payudara.Estimasi dosis dilakukan dengan menggunakan perhitungan Mean Glandular Dose(MGD) pada mamografi Computed Radiography (CR). Dengan melakukan koreksiterhadap kualitas citra pada prosentase (%) glandularity, yaitu prosentase (%)glandularity 25-49% dan 1-24%. Nilai prosentase (%) glandularity dievaluasi olehradiolog. Dari hasil estimasi didapatkan total rerata MGD pada seluruh proyeksipemeriksaan payudara 1,65 mGy pada rerata ketebalan kompresi 48,85 mm. MGDyang diperoleh masih di bawah limit berdasarkan rekomendasi FDA, ACR danMQSA yaitu < 3 mGy per eksposi pada ketebalan 45 mm. MGD dipengaruhi olehkombinasi antara ketebalan kompresi, kV, HVL dan prosentase (%) glandularity. ABSTRACT Currently, mammography is the primary screening program for breast cancer earlydetection for women, but information about the doses received by patient are stillrare. Breast is a sensitive organ to ionizing radiation since it can include cancer.Therefore it is necessary to estimate the patient dose during mammographyexaminations. Estimated doses calculations were performed using in term of meanglandular dose (MGD) using Mammography Computed Radiography (CR). Imagequality correction was done based on the most frequent percentage (%) glandularityfrom all samples, which are 25-45% and 1-24% glandularity. Percentage (%)glandularity was evaluated by radiologist. Estimated of total average MGD all offprojection at the breast examination 1,65 mGy on the mean compression of thickness48,85 mm. Mean Glandular Dose obtained during measurement are still underrecommendation of the FDA, ACR and MSQA which is < 3 mGy per eksposure.From measurement and calculation, the MGD is influenced by compression ofthickness, kV, HVL and percentage (%) glandularity. |
S1299-Eunike Serfina Fajarini.pdf :: Unduh
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No. Panggil : | S1299 |
Entri utama-Nama orang : | |
Entri tambahan-Nama orang : | |
Entri tambahan-Nama badan : | |
Subjek : | |
Penerbitan : | [Place of publication not identified]: Universitas Indonesia, 2011 |
Program Studi : |
Bahasa : | ind |
Sumber Pengatalogan : | LibUI ind rda |
Tipe Konten : | text |
Tipe Media : | unmediated ; computer |
Tipe Carrier : | volume ; online resources |
Deskripsi Fisik : | xvi, 62 pages : illustration ; 30 cm + appendix |
Naskah Ringkas : | |
Lembaga Pemilik : | Universitas Indonesia |
Lokasi : | Perpustakaan UI, Lantai 3 |
No. Panggil | No. Barkod | Ketersediaan |
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S1299 | TERSEDIA |
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