Karya Tulis Ilmiah
Teknik Pemeriksaan Ankle Joint Dengan Proyeksi Mortise View Pada Pasien Dengan Klinis Fraktur di Instalasi Radiologi RSUD Koja
Fractures of the ankle joint are common injuries that may result from any accidents or sports-related activities. In this context, standard anteroposterior (AP) and lateral projections may not always be sufficient for any accurate assessment of abnormalities; therefore, an additional mortise view projection is consequently often required. This research aims to describe the ankle joint examination procedure using the mortise view projection in the patients with clinically suspected fractures, to analyse its advantages and limitations, and to evaluate the resulting radiographic images conducted at Radiology Department of Koja Regional General Hospital.\r\nThis research applied a qualitative descriptive design involving a sample of three patients. As for the data, they were collected through direct observation, interviews with radiographers, and a literature review, and were subsequently analysed descriptively.\r\nThe results showed that the examination required no specific patient preparation, except for the removal of metallic objects from the examination area to prevent the artifacts. The examination was performed using a Siemens X-ray unit (150 kV, 500 mA) with a Computed Radiography (CR) system. The patient was positioned supine with the foot internally rotated approximately 15°–20°. The central ray was directed vertically and perpendicular to the image receptor, with the central point at the lateral malleolus. The source-to-image distance (SID) was 100 cm, with the exposure factors of 59.8 kV and 5.02 mAs. This projection demonstrated the tibiotalar joint space as open and symmetrical, without superimposition of the tibia, fibula, and talus. For that reason, small fractures, joint displacement, and intra-articular abnormalities that may not be visible on the AP projection can be accordingly identified, thereby assisting in medical treatment planning. A limitation of this projection is the risk of motion artifacts caused by the patient movement, particularly in the cases of acute trauma.\r\nThe researchers concluded that the mortise view projection provides an optimal visualization and high diagnostic value in the cases of ankle fractures. The use of positioning aids, such as sandbags, positioning foam, or a 15°–20° angle fixation device, is highly recommended to maintain the internal rotation of the foot in the uncooperative patients.
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