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False-positive radioiodine accumulation in a huge pelvic mass after thyroidectomy for papillary carcinoma, a case report from Syria.

Almohamad, Fatema Alzahraa and Ahmad, Tareq and Ahmad, Basel and Hussain, Khalid and Hadid, Lama and Zein, Majdi and Ahmad, Mohamad (2018) False-positive radioiodine accumulation in a huge pelvic mass after thyroidectomy for papillary carcinoma, a case report from Syria. Journal of surgical case reports, 2018 (2). ISSN 2042-8812. This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs

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Official URL: https://academic.oup.com/jscr/article/2018/2/rjy02...

Abstract

Iodine has always been connected to thyroid gland, and the fact that thyroid tissue traps, organificates and stores iodine more than other tissues is well known, hence the use of radioiodine as a diagnostic and therapeutic tool for thyroid disorders. However, false-positive cases do occur. We present a case of a 34-year-old patient who underwent total thyroidectomy for papillary carcinoma. Results of follow up TSH, thyroglobulin and thyroglobulin antibody tests after surgery lead to two rounds of radioactive iodine. After that, a radioiodine whole-body scan showed high uptake in the pelvis above bladder. Computed tomography scan showed a pelvic heterogeneous mass with some calcifications. Surgical removal and subsequent pathology confirmed the absence of metastasis. The final pathological diagnosis was serous cystadenoma, endometriosis cyst and leiomyoma. As the real cause behind false-positive iodine uptake by these tissues has yet to be determined, careful assessment should be considered in any suspicious case.

Item Type: Article
Additional Information: This article is available to all HEFT staff and students via ASK Discovery tool http://tinyurl.com/z795c8c by using their HEFT Athens login IDs
Subjects: WN Medical imaging. Radiology
Divisions: Clinical Support
Related URLs:
Depositing User: Miss Emily Johnson
Date Deposited: 09 Mar 2018 15:52
Last Modified: 09 Mar 2018 15:52
URI: http://www.repository.heartofengland.nhs.uk/id/eprint/1617

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