Isolated Metastasis to Spleen-Stomach Space From Follicular Thyroid Cancer Combined With a Benign Subcutaneous Nodule on 18F-FDG PET/CT and 131I Scintigraphy

ABSTRACTA 40-year-old woman with follicular thyroid cancer underwent a systemic PET/CT evaluation before operation and then received total thyroidectomy and radioactive I ablation therapy. Posttreatment imaging of I whole-body scan with SPECT/CT showed that metastasis on the spleen-stomach space coe...

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Bibliographic Details
Published in:Clinical nuclear medicine 2021-03, Vol.46 (3), p.e156-e158
Main Authors: Guo, Xiuyu, He, Hua, Gao, Qiaolin, Jin, Yinhua
Format: Article
Language:English
Subjects:
Adult
Female
Fluorodeoxyglucose F18
Humans
Iodine Radioisotopes
Neoplasm Metastasis
Positron Emission Tomography Computed Tomography
Spleen - diagnostic imaging
Spleen - pathology
Stomach - diagnostic imaging
Stomach - pathology
Thyroid Neoplasms - diagnostic imaging
Thyroid Neoplasms - pathology
Whole Body Imaging
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Summary:ABSTRACTA 40-year-old woman with follicular thyroid cancer underwent a systemic PET/CT evaluation before operation and then received total thyroidectomy and radioactive I ablation therapy. Posttreatment imaging of I whole-body scan with SPECT/CT showed that metastasis on the spleen-stomach space coexists with mimicking subcutaneous metastasis, considering their level of I accumulation and morphological changes on PET/CT. However, histopathology confirmed the subcutaneous lesion of fibrous hyperplasia by fine-needle aspiration. This case demonstrates a vital role of SPECT/CT in the diagnosis of metastatic thyroid cancer and mimicking metastasis.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0000000000003241