Incidental Findings of Intense Radioiodine Uptake in Struma Ovarii and Bilateral Nonlactating Breasts Simultaneously on Postablation 131I SPECT/CT for Papillary Thyroid Cancer

Shim, Hunbo; Kim, Mi Ra

doi:10.1007/s13139-016-0459-0

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…In our case, 131 I uptake in the periareolar incision is more likely related to inflammation of local injury, based on short time postsurgical operation, poor incision healing, strict no-tumor principle of the operation, and imaging features 4,5 . Accumulation of 131 I in the breast could be due to various etiologies, including breast tumor, 6 breast fibroadenoma, 7 breast fat necrosis, 8 breast augmentation, 9 drug-related uptake, 10 gynecomastia, 11 and lactation 12 . This case demonstrates that with the increasing application of endoscopic thyroidectomy, the inflammation of local injury should be included in the differential diagnosis of a chest wall 131 I uptake.…”

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confidence: 68%

False-Positive 131I Uptake After Transareola Endoscopic Thyroidectomy in a Patient With Papillary Thyroid Carcinoma

Wang

Deng

et al. 2022

Clin Nucl Med

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False-positive 131 I accumulation in patients with thyroid carcinoma could be due to various etiologies. Herein, we reported a case of papillary thyroid carcinoma in a 36-year-old woman. She underwent a 131 I radiotherapy after a transareola endoscopic total thyroidectomy. 131 I scintigraphy showed a high uptake in the thyroid bed. Surprisingly, increased activity was also noted in the right areola area. This activity corresponding to the entry site of endoscope revealed on the following SPECT/CT.

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confidence: 68%

False-Positive 131I Uptake After Transareola Endoscopic Thyroidectomy in a Patient With Papillary Thyroid Carcinoma

Wang

Deng

et al. 2022

Clin Nucl Med

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“…Increased 131 I uptake is also associated with hyperprolactinemia. [11] To date, only 11 cases of breast metastases arising from DTC have been described in the literature, but these are invariably associated with other sites of DTC metastasis.…”

Section: Methodsmentioning

confidence: 99%

Unusual sites of metastatic and benign I 131 uptake in patients with differentiated thyroid carcinoma

Palaniswamy

Subramanyam

2018

Indian J Endocr Metab

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Introduction:Differentiated thyroid carcinoma (DTC) is the most common pathological type of thyroid carcinoma, which includes papillary and follicular subtypes. DTC is usually indolent, characterized by good prognosis, and long-term survival. Total thyroidectomy is the mainstay of treatment in DTC which is followed by diagnostic whole body 131I (WBI) scan. Like other primary malignancies of the head and neck, DTC follows a consistent pattern of spread in the cervical LNs. The central compartment, level VI and VII, is the first sentinel node followed by spread to the lateral compartments levels II–V, followed by the contralateral side. Inspite of nodal involvement, DTC usually have a favourable outcome. Presence of extrapulmonary distant metastases could predict a poor prognosis for high-dose 131I therapy. However, distant metastasis occurs often as a grave event and mortality rates vary depending on metastatic sites.Aim and Objectives:A range of rare 131I concentrating DTC deposits in sella, orbit, choroid, skeletal muscles, liver, skin, costochondral soft tissue, pancreas and kidney, and a few benign 131I concentrating sites are being depicted.Materials and Methods:Metastatic sites from DTC can be easily identified by performing a whole body 131I (WBI) scan along with a stimulated thyroglobulin (Tg) estimation (TSH >30 uIU/ml). Apart from thyroid and thyroid-related diseases, certain benign non-thyroidal pathologies can concentrate radioiodine (131I). From 13,000 of our patients who underwent radioiodine scan for thyroid cancer, we have selected a few cases of 131I concentrating benign and malignant lesions for illustration.Results:Out of 13000 DTC patients who underwent whole body 131I scintigraphy in our department from Jan 2007 till Mar 2018, 25 patients revealed benign sites of 131I uptake. 61 % patients had residual thyroid tissue with or without associated nodal involvement. Remaining patients had distant metastases. Rare sites of functioning thyroid metastases and benign sites of I 131 uptake have been selected for illustration.Conclusion:Apart from the WBI (two-dimensional, planar) images, single-photon emission computed tomography-computed tomography (SPECT-CT) has been incremental in localizing benign lesions which greatly depends on their location. This pictorial review highlights the need to create an awareness to detect metastatic deposits of DTC at unexpected sites. Otherwise patients will need further investigation to rule out unsuspected sites of functioning distant metastases.

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Radioiodine whole body scan pitfalls in differentiated thyroid cancer

Basso,

Colapinto,

Vicennati

et al. 2024

Endocrine

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Incidental Findings of Intense Radioiodine Uptake in Struma Ovarii and Bilateral Nonlactating Breasts Simultaneously on Postablation 131I SPECT/CT for Papillary Thyroid Cancer

Abstract: A 52-year-old woman diagnosed with papillary thyroid carcinoma was referred for 131

Cited by 4 publications

References 12 publications

False-Positive 131I Uptake After Transareola Endoscopic Thyroidectomy in a Patient With Papillary Thyroid Carcinoma

False-Positive 131I Uptake After Transareola Endoscopic Thyroidectomy in a Patient With Papillary Thyroid Carcinoma

Unusual sites of metastatic and benign I 131 uptake in patients with differentiated thyroid carcinoma

Radioiodine whole body scan pitfalls in differentiated thyroid cancer

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