PROSEDUR PEMERIKSAAN CT SCAN NASOFARING KONTRAS DI INSTALASI RADIOLOGI RSUD ARIFIN AHMAD PROVINSI RIAU
DOI:
https://doi.org/10.54973/miror.v5i1.996Abstract
Background: Contrast-enhanced Computed Tomography (CT) of the nasopharynx is an important
imaging modality for evaluating abnormalities of the nasopharyngeal region, including inflammatory
lesions and tumors. Intravenous contrast media enhance visualization of soft tissue structures, vascular
anatomy, lesion extent, and involvement of adjacent tissues, thereby improving diagnostic accuracy and
treatment planning. This study aimed to describe the procedure for contrast-enhanced CT examination
of the nasopharynx performed at the Radiology Department of RSUD Arifin Achmad, Riau Province.
Methods: This study employed a qualitative descriptive design using a case study approach. Data were
collected through direct observation of the examination procedure, semi-structured interviews with
radiographers and radiologists, and documentation review. The study was conducted at the Radiology
Department of RSUD Arifin Achmad, Riau Province. Data were analyzed descriptively by comparing
the clinical practice with the standard examination protocol.
Results: The examination procedure included patient identification, assessment of renal function
through laboratory evaluation, informed consent, intravenous catheter placement, patient positioning,
and contrast-enhanced scanning. Intravenous administration of 50 mL of Iopamiro contrast medium
using a power injector was performed according to the hospital protocol. The examination successfully
demonstrated the nasopharyngeal anatomy, vascular structures, lesion boundaries, and the relationship
between the lesion and adjacent tissues. Compared with several literature references recommending
approximately 25 mL of contrast medium, the hospital protocol utilized 50 mL to achieve optimal
enhancement and diagnostic image quality.
Conclusion: The contrast-enhanced CT examination of the nasopharynx at RSUD Arifin Achmad
follows a standardized procedure and provides optimal diagnostic information. The administration of
50 mL intravenous contrast medium improves visualization of vascular structures, differentiates blood
vessels from tumor masses, and assists in assessing vascular displacement or tumor invasion, thereby
supporting accurate diagnosis and appropriate treatment planning.
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