Diffuse Lung Uptake on 99mTc-MDP Bone Scintigraphy-Case Report

Abstract

A ^99mTc-methylene diphosphate (MDP) bone scan of a 35 years old female patient performed for possible skeletal metastasis from carcinoma breast. Diffuse ^99mTc-MDP uptake was seen in both the lung fields on ^99mTc-MDP bone scintigraphy. Biochemical and radiological evaluation excluded all the knowncauses of the diffuse ^99mTc-MDP lung uptake. Raised serum ferritin levels of 1226ng/ml (normal range for adult female = 13 – 15 ng/ml) was the only abnormal biochemical finding and attributed as the possible cause of lung uptake.