부산대학교 도서관

[Background] Chest wall hemangiomas account for about 1% of chest wall tumors, and intramuscular hemangioma arising from intercostal muscle is extremely rare, accounting for 0.01% of all hemangiomas. [Case] In a 54-year-old woman, a 3.0-cm chest wall mass was found between the left 3rd and 4th ribs on examination by CT. PET/CT showed FDG accumulation by the mass (SUVmax: 2.3), and CT-guided needle biopsy was performed for a definitive diagnosis, revealing no malignant findings. During a 2-month follow-up, MRI showed that the mass was not growing, a malignant tumor such as desmoid tumor was suspected, and tumor resection was performed. The chest wall mass was a mural extrathoracic lesion consisting of a collection of bluish-purple multilocular nodules under thoracoscopic view. No malignant findings were found by intraoperative biopsy. However, according to previous reports of local recurrence of intercostal hemangiomas, chest wall resection including the third rib was performed. No malignant findings were found in the final pathological diagnosis, and the lesion was diagnosed as intramuscular hemangioma arising from intercostal muscle. [Conclusion] Although it is difficult to make a definitive diagnosis of intercostal hemangioma before surgery, it is important to list hemangioma as a differential diagnosis based on preoperative radiological findings and to perform complete resection of the tumor.