BMJ Case Reports 2012; doi:10.1136/bcr.03.2012.6074
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Multi-modality imaging for accurate diagnosis of lipomatous hypertrophy of interatrial septum in a patient with lung cancer and increased FDG uptake on PET

  1. Sanjay S Srivatsa2
  1. 1Department of Internal Medicine, Community Regional Medical Center, Fresno, California, USA
  2. 2Division of Cardiology, Community Regional Medical Center, Fresno, California, USA
  1. Correspondence to Dr Abhishek Chandrakant Sawant, acsawant{at}


A 66-year-old female with squamous cell carcinoma of lung underwent positron emission tomography (PET) scan for staging when increased fluorodeoxyglucose (FDG) uptake was noted in between the atrial septum concerning for possible metastasis (figure 1). CT chest revealed an interatrial mass where the Hounsfield density numbers were −50 to −80 HU’s and consistent with a fatty tumour (figure 2) without obliteration of fossa ovalis or tumour invasion via pulmonary veins to suggest a malignancy. …

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