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Background  Thrombosis of the internal jugular vein occasionally occurs in association with long-term placement of a central venous catheter; however, such complications rarely involve calcification within the blood vessels. We report a case of calcification and abscess formation around a central venous catheter tip.    Case presentation  Our patient was an 84-year-old Asian woman who developed a fever that had started approximately 5 months after the placement of a central venous catheter. At the time of presentation, blood tests showed a marked inflammatory response, and chest computed tomography showed a high absorption area and air density around the catheter tip. Therefore, the patient was diagnosed with abnormal intravascular calcification and a deep neck abscess associated with long-term central venous catheter placement. The initial plan was to administer antibiotics and remove the central venous catheter. However, central venous catheter removal was deemed difficult due to the calcification and therefore required an incision. Because of the patient’s advanced age and dementia, her family requested antibiotic treatment only. Following antibiotic treatment, the patient’s inflammatory response normalized, and her fever resolved. The treatment was discontinued, and the patient’s condition gradually stabilized.    Conclusions  Catheter-related complications of central venous catheter placement include vascular occlusion, extravasation of the infusion, and infection. However, abnormal calcification in the blood vessels is extremely rare, and there has been only one case report of a neonate with central venous catheter-related vascular calcification in Japan. The etiology of intravascular calcification is considered to be related to the infusion content and the infusion rate of high caloric infusions and blood products. The incidence of complications associated with long-term central venous catheter placement is expected to increase with the increasing aging of the population and advances in chemotherapy. The report of the clinical course of this rare case adds to the body of knowledge in this area.

Calcification and abscess formation around the catheter tip of a central venous access port: a case report