Nodules PET Positive Malignant Lung Nodule on CXRIn this instance a well defined nodule is noted in the right upper lobe without other obvious adenopathy. There is a fracture of the right humerus (white ring in c) which may be due to minor trauma in this osteoporotic elderly female though a metastatic lesion to the bone is included as a possibility. The lungs are hyper inflated characterized by flattened hemi diaphragms and increase in the retrosternal space suggesting emphysema. The lesion was subsequently shown to be carcinomaAshley Davidoff MDTheCommonVein.net 42263c03 Elderly Female with a right upper lobe nodule on Chest CT scan subsequently shown to be carcinomaAshley DavidoffThe CommonVein.net PET Ct showing hypermetabolic activity in the right upper lob nodule associated with an inpsilateral mediastinal node consistent with a Stage 2 carcinomaAshley DavidoffThe CommonVein.net Benign PET Positive Necrotizing Pneumonia (Nodule)A small nodule (red arrow a,b,c)was identified on the CT in this 60 year old female who is a smoker . The SUV at 1.3 was low (usually >2.5 in malignancy. At pathology it was found to be a necrotizing pneumonia. Most necrotizing granulomas are related to infection. Wegener’s granulomatosis Churg-Strauss syndrome, vasculitis, and sarcoidosis are more often associated with non necrotizing nodulesAshley Davidoff MDTheCommonVein.net 72372c03 Links and References TCV Map of Nodules