足背部腫瘤摘出術を契機に抗酸菌症が判明した1例

Key Points

• To report a case of mycobacterial infection identified during the surgical removal of a foot tumor.
• Patient presented with a tumor on the foot, requiring MRI for assessment.
• Surgical resection of the tumor was performed, followed by pathological examination.
• Culturing from the surgical site identified Mycobacterium chelonae, supporting the diagnosis.
• The tumor remained soft and fragile, with no evident abscess formation.
• Pathological examination revealed epithelioid cell granuloma with acid-fast bacilli.
• Despite negative sputum cultures, a diagnosis of mycobacterial infection was established.