Yeti Kartikasari

Politeknik Kesehatan Kemenkes Semarang | Poltekkes · Department of Radiology

The role of a patient lifter in brachytherapy is crucial for ensuring safe and efficient patient transfer during treatment. The use of fabric slings for patient transfer in brachytherapy at MRCCC Siloam Hospitals Semanggi is considered ineffective as it requires at least 6-7 medical staff to move a patient. The development of medical devices, such...

Background: A radiological examination that can be used to evaluate SPN and facial bones is CT SPN. CT SPN increases the potential risk of radiation effects, especially on sensitive organs (thyroid and mammae). CT SPN exposure does not only affect the main organs but also the surrounding organs (secondary doses). The secondary dose also increases t...

Bolus radiotherapy aims to make the radiation dose more homogeneous, and increase the surface dose to the skin. Exploration of alternative materials for substitute mixtures that are relatively safer is needed to reduce the weaknesses in the use of plasticine mixtures. To develop the basic ingredients for making bolus using biopolymers in water hyac...

Cardiovascular Computed Tomography Angiography (CCTA) examination in diagnosing and evaluating congenital heart disease in pediatrics can make radiation exposure controversial and can lead to cancer risk. Development of parameter settings or modifications, namely tube voltage (kVp), pitch, and rotation time as an effort to optimize radiation dose t...

Deep learning technology is useful for radiology specialists as double reading to help increase the accuracy of image interpretation results. One of the preparations for maximizing the use of this technology is using good-quality images as the source. The Automatic Exposure Control (AEC) feature, which functions to determine exposure factors automa...

Radiation exposure to patients with higher cumulative effective doses on thorax CT scanning is very detrimental for cancer patients undergoing follow-up and raises the level of concern about the harmful effects of radiation doses received by patients. Reducing the tube voltage will reduce the radiation dose and image quality. To maintain good image...

Background: Radiation protection is very important for patient and personnel safety in radiology services. It has been given in the college through classical lectures, including in Radiodiagnostic and Radiotherapy Department Poltekkes Kemenkes Semarang. The student’s knowledge is routinely evaluated but their compliance in the clinical activities h...

Background: MSCT is a routine imaging modality for detecting bone metastases. The use of 1.25 mm slice thickness reconstruction on Thoracolumbar MSCT examination at Hermina Pandanaran Hospital is different from preliminary studies. This study aims to determine MSCT Thoracolumbar contrast with 1.25 mm slice thickness and 3D reconstruction to produce...

Purpose: To observe the quality of brachial plexus (BP) images obtained from magnetic resonance imaging (MRI) with 3D T2 STIR SPACE sequence and compressed sensing (CS) and to compare the results with BP images from the same sequence without CS. Methods: In this study, compressed sensing was applied to acquire non-contrast BP images from ten hea...

Mastoid CT examination requires high detail and sharpness so that its iterative techniques can obtain optimal image quality along with the use of low exposure factors. The purpose of this study is to provide a profile of image quality and dose on various variations of ASIR by using varying tube voltages and currents as well. This research is a quan...

Intoduction CT Scan image processing requires good image quality in terms of SNR noise and CNR sharpness. Efforts to improve the quality of the examination image use Itterative Reconstruction, namely Adaptive Statistical Itterative Reconstruction (ASIR). ASIR weakness lowers CNR. The sharpening method that can increase CNR is High Pass Filter (HPF)...

Blood Transfusion Service Standards aim to ensure the safety high quality and sufficient blood services sufficient blood reserve. The standard for blood requirements for each country according to WHO is at least 2% of the total population. The population in Indonesia has increased every year so the need for blood is also increasing causing demands...

Pengujian kolimator merupakan factor yang cukup penting dan menjadi salah satu dalam parameter pengujian pesawat sinar X utnuk mendapatkan perijinan dari bapeten. Akan tetapi dilapangan, hal ini menjadi sedikit terabaikan karena tidak berhubungan secara langsung dengan produksi sinar-X, oleh karena itu dilakukan kegiatan pengabdian masyarakat dalam...

Magnetic Resonance Imaging (MRI) is one of the modalities that can be used to diagnose stroke ischemic using the Diffusion Weighted Image (DWI) sequence. However, DWI sequence has a weakness. It is the presence of low signal levels which will result an image bluring. One way to reduce the bluring is by adding Propeller technique. Yet, the disadvant...

MRI examination of extremities with soft tissue tumors are constrained in insufficient coils with enlarged objects. Recently the solution used with a larger coil such as the abdominal coil. The use of inappropriate coils will have an impact on the deterioration of image quality. The way to improve image quality is to increase Number of Exitation (N...

Background: Magnetic Resonance Imaging (MRI) is a diagnostic imaging modality that can generate slices anatomy body multiplanar by contrast in a very good resolution. The results of the of an MRI description is more accurate for diagnosing Carcinoma of the nasopharynx. On examination of of the neck MRI with the case of carcinoma, after infusion of...

The purpose of the research is to identify the differences between image information of MRI Brain in axial plane Diffusion Weighted Image (DWI) sequence and variation b value in case ischemic stroke, and to determine optimal b value in examination MRI Brain in case Ischemic Stroke. This research was a quantitative research with experimental approac...

Background: Some organs in the body are sensitive to radiation such as eyes, breast, and gonads. Protection of sensitive organs against radiation is necessary. Recently, many sensitive organ shields have been developed by different materials. Objective: The aim of this study is to evaluate the dose reduction and image quality from implementation of...

Background: Pulmonary nodules are often found accidentally when thorax imaging is done. The size and rate of nodule growth are the most important predictors of imaging for malignancy. When the low dose protocol applied to the thorax MSCT will affect image quality, such as increased noise and decreased spatial resolution, so that the detection of no...

Background: Malignancy of lung cancer is the biggest cause of pleural effusion. To diagnose lung cancer pleural effusion, a thorax MSCT can be examined. The MSCT parameter that affects image contrast is window width. The purpose of this study was to determine the differences in the anatomical information of thorax MSCT images in the post contrast m...

Background: Stroke is a brain disease where an acute nerve function is occurred due to the cerebral vascular disorders. To establish a diagnosis the stroke, it can be identified by employing the Diffusion Weighted Imaging (DWI) sequence in the MRI examination. Artifacts still exist on the MRI image which in turn reduce the resolution when using the...

ABSTRACT THE FUNCTIONS TEST OF RADIATION PROTECTIVE EQUIPMENTS (LEAD APRON) IN RADIOLOGY INSTALATION OF HOSPITAL. Interaction of radiation to humans can cause health problems due to the body's cells undergo structural changes. Necessary protection equipment to reduce exposure to the human body received a lead apron and thyroid shield. Lead apron an...

ABSTRACT High-energy X-ray photons are the photons needed for making radiographs. Whereas low-energy photons do not provide the information needed to provide additional radiation doses. To minimize the dose received by the patient, a filter is used as a tool to cut low-energy X-ray photons that are not useful in the formation of radiodiagnostic ima...

Background: A silicon rubber-lead (SR-Pb) as an organ shield had been proposed. However, it was only used for the eyes shield in CT examination and it had single thickness. Therefore, it is necessary to develop various thicknesses and implement it to digital radiography (DR), such as lumbar examination. Objective: To investigate the SR-Pb as a gona...

The Research of this study was to determine the relationship of slice thickness to Maximum Intensity Projection (MIP) reconstructive image information and determine the exact slice thickness to the MIP processing of MSCT examination of Abdominal Angiography. Type of research is quantitative with an experimental approach, using a sample of 6 patient...

Low back pain can be caused by a variety of musculosceletal diseases, psychological disorders and mobilization. Patients who performed MRI examinations were mostly caused by indications of Low Back Pain (LBP). LBP became an important problem in the United States, in Indonesia an estimated 40% of the population of Central Java aged over 65 years hav...

Background: Thorax MSCT examination is a diagnostic imaging that is capable of displaying both normal and pathological lung and respiratory organs. MSCT examination also has a better level of sensitivity and specificity compared to other modalities, but the radiation exposure given is very high, so the radiation dose given to patients is high. The...

Aorta abdomen CTA adalah pemeriksaan radiologis minimal invasif dengan media kontras yang masuk melalui pembuluh darah, yang bertujuan menghasilkan radiografi aorta abdomen dengan menggunakan modalitas CT-Scan. Nilai threshold terkait erat dengan perubahan waktu tunda pemindaian yang akan mempengaruhi penambahan vaskular, dan dapat berdampak pada r...

Background : Coronary Artery By Pass Grafting (CABG) is one of the intervention treatments of Coronary Heart Disease (CHD), by creating a new channel through the coronary artery which is narrowed or blocked. The purpose of this research is to know the procedure of Cardiac CT examination with CABG case, acceptable Heart Rate range and how to lower H...

Background : Research on the difference comparison the value of Signal To Noise Ratio (SNR) at MRI Ankle Joint examination using Quad Knee Coil and Flex/Multipurpose Coil at the hospital's radiology installation Telogorejo Semarang. Quad knee coil is a volume coil, is a coil that can act as a transmitter and receiver at the same RF signal (transrec...

Background: Brain Magnetic Resonance Venography (MRV) is a MRI examination of veins without contrast media. Phase Contrast (PC) MRV sequences uses phase shift protons that flow along the magnetic gradient into needed area (Field Of View). PC MRV sequences use bipolar gradient to compensate the proton spin speed by adjusting the amplitude. The study...

By mixing with pork, beef adulteration is frequently found in the traditional market that very disturbing Moeslem community in Indonesia. This study was conducted to detect pork contamination in fresh and cooked beef using genetic marker mitochondrial DNA cytochrome b (mt-DNA Cyt b) by duplex-PCR. A total of twelve samples was used in this study co...

Backgroud: A CT Scan of thorax on tumor case is used to obtain information about the image quality on axial part of thorax and to determine the types of lesion. In the process, there were two techniques that often used. The techniques used was reconstruction technique and reformat technique. Reconstruction technique and reformat technique have a di...

Backgroud: Limitations in a radiographic projection of the Left lateral decubitus (LLD) ussually challanges most of the Radiografers who intent to apply the technique toward patients with acute abdoment clinical cases. Related problems that occasionally come up with the LLD projection are the fixed patient positioning and the waiting time it takes...

Background: This study aims to determine the anatomical image information between using CLEAR aplication and without CLEAR (Non CLEAR) aplication on cervical MRI examination with T2WI FSE sagital HNP case and to determine which is the best image between using CLEAR aplication and Non CLEAR aplication on cervical MRI examination with T2WI FSE sagita...