Rini Indrati
Jurusan Teknik Radiodiagnostik dan Radioterapi Poltekkes Kemenkes Semarang

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TREATMENT OF RADIOTHERAPHY MONOISOCENTRIC TECHNIQUE IN CASES OF NASHOPHARANGEAL CANCER AT UNIT RADIOTHERAPHY INSTALLATION RADIOLOGY RSUP DR. SARDJITO YOGYAKARTA Hafsi Afrizun Khatamsi; Rini Indrati; Emi Murniati
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 1: January 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i1.3973

Abstract

Background: Monoisocentric technique is a recomended technique for examination of nasopharangeal cancer radiotheraphy, but most hospital has not applied this technique, while in Dr. Sardjito Yogyakarta Hospita use this technique has not been done consistently because technique monoisocentric need high-precision tool and techniques monoisocentric of nasopharangeal cancer and why monoisocentric technique used in nasopharangeal cancer in Unit Radiotheraphy Instalation Dr. Sardjito Yogyakarta Hospital.Methods: This type of research is qualitative with case study approach. the data was collected in November-December 2017 at radiotherapy Installation of Dr. Sardjito Yogyakarta Hospital by observation methodology, interview with Radiation Oncologist Specialist, Medical Physiciast and Radiographer. the data obtained from the study were analyzed by an interactive model, creating the interview transcripts subsequently reduced and processed within the type of open coding, given within the type of quotations then are often drawn conclusions.Result: Base of the results of reserch in Unit Radiotheraphy Instalation Dr. Sardjito Yogyakarta Hospital, includes patient examination and staging, CT Simulator, TPS planning, geometry verification and radiotheraphy radiation process. Monoisocentric techniquebare used because  irradiation time getting faster, minimize the accurrence of hot spots and cold spot, dose distribution homogeneousConclusion: Administration of mono-centric technique of Nasopharyngeal cancer in Dr. Sardjito Yogyakarta, conducted in several stages: staging, CT simulator, TPS planning (field calculation, isocenter location, beam direction and dosage per fraction), geometry verification (comparing DRR and actual irradiation and values should not be 0.2 mm) and continued with radiotherapy radiation in LINAC treatment room. The aim of using monoisocentric technique in case of nasopharyngeal carcinoma at Radiotherapy Unit of Radiology Installation of Sardjito Yogyakarta was obtained by shorter real time irradiation time, the happening of hot spot and cold spot in the field of radiation between local field of nasopharynx and locoregional become smaller, homogeneous dose distribution. 
COMPARATIVE VERIFICATION OF IRRADIATION SET UP BETWEEN EPID SOFTWARE MOSAIQ WITH IVIEWGT IN CONFORMAL RADIOTHERAPY OF NASOPHARYNGEAL CANCER (Radiotherapy Unit Radiology Installation Dr. Sardjito Hospital Yogyakarta) Syahara Listyawan; Siti Masrochah; Rini Indrati
Jurnal Imejing Diagnostik (JImeD) Vol 4, No 1: January 2018
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jimed.v4i1.3977

Abstract

Background: Verification of the irradiation set up is a process to ensure that the position and volume of the irradiated tumor is the same as planned. Verification is done by comparing the radiographic image information of the Treatment Planning System (TPS) with radiation therapy to be provided on the Electronic Portal Imaging Device (EPID) device. Existing software on the EPID in doing verification is IViewGT and Mosaiq. Radiotherapist in Radiotherapy Unit Radiology Installation of Dr. Sardjito Hospital Yogyakarta always uses IViewGT software rather than Mosaiq software in performing standard operational procedure verification set up irradiation. The purpose of this study was to describe the verification process, to examine the results of verification and to examine the differences in the results of the verification of set up irradiation between the EPID software Mosaiq with IViewGT in conformal radiotherapy of nasopharyngeal cancer.Methods: The type of research in this thesis is quantitative analytic research. The research was conducted at Radiotherapy Unit Radiology Installation of Dr. Sardjito Hospital Yogyakarta. Data in the form of 52 portal image of nasopharyngeal cancer patients performed conformal radiotherapy. The verification process uses IViewGT and Mosaiq software on the same portal image. Data analysed by Wilcoxon test.Result: The results of the verification is the value of shift set up irradiation on X axis, Y axis and Z axis. Verification using Mosaiq software got the average shift on the X axis of 0 cm, on the Y axis the average value is -0,02 cm, on the Z axis the average value is 0,07 cm. Verification using IViewGT software obtained an average shift on the X axis of 0,02 cm, on the Y axis the average value of 0,03 cm, on the Z axis value averaging 0,02 cmConclusion: The results of this study indicate that there is no difference in verification of irradiation set up between EPID software Mosaiq with IViewGT on X axis with p value 0,361, on Y axis with p value 0,102 and on Z axis with p value 0,199.
TATA LAKSANA BRAKHITERAPI CO-60 TEKNIK INTRAKAVITER LENGKAP PADA KASUS KANKER SERVIKS Nugroho Yudho Susilo; Rini Indrati; Nanang Sulaksono
JRI (Jurnal Radiografer Indonesia) Vol. 2 No. 2 (2019)
Publisher : Perhimpunan Radiografer Indonesia (PARI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (174.088 KB) | DOI: 10.55451/jri.v2i2.40

Abstract

Background: Brachytherapy is a radiation treatment by bringing radiation sources closer to the primary tumor which aims to provide additional therapeutic doses (booster) after external radiation administration so that the optimal dose will be achieved. In general brachytherapy uses closed radioactive sources namely Radium, Cobalt-60, Cesium- 137, and Iridium-192.Intracaviter technique is a type of brachytherapy technique in which the radiation source is placed in a hilt and inserted into a body organ that contains a tumor. to obtain the optimal dose distribution. Methods: The type of research used is qualitative research with a case study approach. The study was conducted by observation, documentation and interviews. The subjects of this study were one radiation oncology specialist, one medical physicist, one radiotherapy radiographer, and one radiotherapy nurse at the Radiotherapy Installation of Dr. Moewardi Hospital. Stages The data analysis in this study used the data analysis method which was done descriptively using interactive models. Results: The results showed that the management of radiotherapy in cervical cancer patients at Radiotherapy Hospital Dr. The procedure consists of several procedures, namely the control of a specialist oncologist of radiation after external radiation, supporting examinations (check vital signs, laboratory, ECG, and chest X-ray), undergoing hospitalization a day before irradiation of brachytherapy, spinal anesthesia before applying the applicator, applying an applicator, simulating the position of the applicator with AP and Lateral x-ray projections, calculating the dose (2 x 850 cGy) and irradiation time in the TPS (Treatment Planning System) room based on the Manchester system dose distribution, and irradiation in the brachytherapy room. Conclusion: Management of brachytherapy consists of several procedures, namely the control of radiation oncology specialists, supporting examinations, undergoing hospitalization the day before exposure, spinal anesthesia, applying applicators, simulating applicator positions, calculating doses and exposure time in the TPS (Treatment Planning System) ) based on the Manchester system dose distribution, and carried out irradiation in the brachytherapy room. The reason for using three Co-60 sources in one fraction of brachytherapy irradiation is because it can shorten the irradiation time and minimize the time error arising when the source moves. Evaluation of Co-60 brachytherapy patients in cervical cancer cases can be estimated in the form of tumor response, in patients experiencing total response and not experiencing side effects such as cystitis or progitis.