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CASE REPORT
Year : 2017  |  Volume : 32  |  Issue : 1  |  Page : 39-41

Dual tracer pet imaging (68ga-dotatate and 18f-fdg) features in pulmonary carcinoid: Correlation with tumor proliferation index


1 Department of Pulmonary Medicine, T. N. Medical College, B. Y. L. Nair Hospital, Mumbai, India
2 Radiation Medicine Centre, BARC, Tata Memorial Centre Annexe, Parel, Mumbai, India

Correspondence Address:
Jyotsna M Joshi
Department of Pulmonary Medicine, T.N. Medical College and B. Y. L. Nair Hospital, Mumbai
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-3919.198476

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Pulmonary carcinoid tumors are rare group of lung neoplasms representing 1% of all the lung tumors. The typical bronchial carcinoids showed higher and more selective uptake of 68Ga-DOTATATE than of 18F-FDG on PET-CT. The Ki-67(MIB-1), a tumor proliferation index is a prognostic marker in neuroendocrine tumors for estimating tumor progression. Atypical carcinoids have higher Ki-67 index and have an increased propensity to metastasize as compared to typical ones.68Ga-DOTATATE PET imaging along with Ki-67 can be correlated for better management of patients with neuroendocrine tumors. We describe the dual tracer imaging features in a patient of pulmonary carcinoid with avid 68Ga-DOTATATE and minimal 18FDG (18Flurodeoxyglucose) uptake diagnosed on the basis of imaging and bronchoscopic biopsy and its correlation with tumor proliferation index.


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