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A 43-year-old woman suffering from massive hemoptysis from pulmonary benign metastasizing leiomyoma (BML) at the left lung hilum underwent bronchial and nonbronchial transarterial embolization (TAE) using gelatin sponge particles and n-butyl 2-cyanoacrylate during three interventional procedures. However, since complete embolization of the tumor was difficult despite decreased tumor size, the tumor was surgically resected 3 months after the last interventional procedure. This case demonstrates the difficulty of complete TAE for pulmonary BML because of its hypervascularity and the rich communications between bronchial and nonbronchial anastomotic arteries.

Two brothers with multiple visceral artery aneurysms or dilatations and diffuse connective tissue fragility who did not have clinical features of Marfan syndrome are reported. One presented with retroperitoneal hemorrhage during angiography, and idiopathic medionecrosis was proved by resection of the aneurysms. These cases belong to the heterogeneous group of Marfan syndrome. The angiographical features (multiple dilation of visceral arteries) suggests fragility of connective tissue and is predictive of hazards during and after a catheterization and operation.

Pulmonary sclerosing hemangioma is a relatively rare neoplasm of the lung. Although there have been five previous case reports that address the 18-fluoro-2-deoxyglucose positron emission tomography (FDG-PET) findings in a sclerosing hemangioma of the lung, no report has demonstrated an interval change in the FDG-PET findings. This report describes a case of pulmonary sclerosing hemangioma which presented with an increase of uptake of FDG-PET after about one years' follow-up.

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