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Unexpected 99mTcO4- Uptake by Lung Adenocarcinoma
Luisa Knappe1, Barbara Muoio2, Paola Migliora3
1From the Clinic for Nuclear Medicine and Competence Center for Thyroid Diseases.
Clinical Nuclear Medicine
|March 30, 2021
Summary
Thyroid scintigraphy revealed atypical tracer uptake in lung adenocarcinoma, not thyroid metastasis. This case highlights the importance of correlating imaging findings with pathology for accurate diagnosis.
Area of Science:
- Nuclear medicine
- Oncology
- Pulmonology
Background:
- Thyroid scintigraphy is used to evaluate thyrotoxicosis.
- Pulmonary adenocarcinoma can present with unusual metastatic patterns.

