부산대학교 도서관

Myelodysplastic syndrome （MDS）, an acquired hematopoietic disorder that is commonly referred to as preleukemia, often manifests as refractory anemia. Patients with this condition undergoing dental procedures may exhibit a bleeding tendency because of pancytopenia, infection, etc., necessitating a cautious approach. A man in his 70s presenting with upper left buccal swelling was referred to our department for detailed examination and treatment.Based on X-ray and CT findings （diagnostic imaging）, the patient was diagnosed as having left upper phlegmon, caused by a periapical lesion of the maximally left second molar. Further, the results of several laboratory examinations led to the suspicion of a systemic disease, and so the patient was referred to the hematology department; a bone marrow puncture was performed and the patient was diagnosed as having MDS. Thirteen teeth extractions and two pulp extractions were performed under local anesthesia, under cover of platelet transfusions during hospitalization.The patient, who was diagnosed with MDS due to an odontogenic infection, received successful dental treatment in cooperation with the hematology department, and good results were obtained.