Extensively calcified hemangioma of the diaphragm with increased Tc-99m-hydroxymethylene diphosphonate uptake

A 31-year-old woman visited an out-patient clinic, because of low-grade fev er and general fatigue. She was referred to our hospital and admitted for e xamination of an abnormal shadow which had been found on the chest radiogra ph, She had experienced faint right lateral chest pain several times on the deep Inspirations. Chest radiography showed a mass shadow with calcificati on in the right lower lung held on the mediastinal side, Chest radiographic computed tomography showed a 6x6 cm tumor in the right lung field, There w ere low-density areas with septae inside the tumor. Bone scintigraphy showe d extremely high uptake of Tc-99m-HMDP in the tumor After surgical resectio n and pathological examination, we concluded that the tumor was an extensiv ely calcified benign hemangioma of the diaphragm.