Annals of Case Reports and Clinical Images aims to present detailed case reports and illustrative images that contribute to clinical education and practice. It focuses on unique and instructive cases that offer insights into diagnostic and therapeutic approaches. Read More
Volume 1, Issue 1 Ann Case Rep Clin Images 2025, 1:1 Clinical Image
Metallic line in Chest Radiograph: Artifact
B Jayakrishnan, Boris Itkin, Anitha Jose, Sami M Bennji
BACKGROUND
A 72-year-old man with advanced right thigh synovial sarcoma and pulmonary metastasis presented with bilateral pleural effusion in March 2024. Upon admission he underwent left-sided pleural drainage. A few days later, an 8F pigtail catheter was inserted on the right side, which successfully drained approximately 1500 ml of slightly blood-stained pleural fluid (Figure 1). However, on the same night, the catheter was inadvertently dislodged by the patient. A tight-fitting plaster was promptly applied, and he remained symptom-free. A follow up chest radiograph showed a clear linear radiopaque shadow measuring around 9.4 cm with the tip visible well inside the right chest (Figure 2). This shadow was puzzling as the pleural drain had been completely removed. There was no palpable swelling, wires, or tubes under the skin. Upon closer examination, it was discovered that the gauze used (Bromed Gauze Lap sponges, Brosco International Inc, Mesquite, USA) had a linear radiopaque marker (Figure 3). A repeat radiograph did not show this opacity. This radiopaque marker on the gauze resembled a metallic foreign object in the thorax, causing anxiety and confusion among the medical staff and the patient. Patient remained well without worsening of the effusion for two months but succumbed to his illness subsequently.
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