title: Huge primary soft tissue sarcoma of the breast on bone scan.
abstract: A 54-year-old woman had a primary breast sarcoma with rapid enlargement in 3 months. The mass became so huge that it was more than 20 cm in diameter and occupied the entire right breast on presentation. Extraosseous uptake was present in this mass and demonstrated a unique picture, mimicking the posture of a racing driver who holds a helmet under the armpit, on the bone scan.
authors.affiliation: From the *Department of Nuclear Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei City; †School of Medicine, College of Medicine, Fu Jen Catholic University, Xinzhuang District, New Taipei City; ‡Department of Nuclear Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu City; and §Department of Nuclear Medicine and PET Center, China Medical University Hospital, and ¶School of Medicine, and ||Department of Biomedical Imaging and Radiological Science, China Medical University, Taichung City, Taiwan.
authors.forename: Yeh-You
authors.initials: YY
authors.lastname: Shen
authors.forename: Yu-Chin
authors.initials: YC
authors.lastname: Wu
authors.forename: Chia-Hung
authors.initials: CH
authors.lastname: Kao
authors.forename: Te-Chun
authors.initials: TC
authors.lastname: Hsieh
mesh_terms: D001842:Bone and Bones / Q000000981:diagnostic imaging*; D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012509:Sarcoma / Q000000981:diagnostic imaging* / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D047368:Tumor Burden