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Pyelocaliceal diverticulum as a rare pitfall in I-131 post-therapy scanning


Husmann, L; Scheffel, H; Stumpe, K; Schmid, S; Alkadhi, H; Goerres, G W (2010). Pyelocaliceal diverticulum as a rare pitfall in I-131 post-therapy scanning. Clinical Nuclear Medicine, 35(6):443-444.

Abstract

A 65-year-old woman with follicular thyroid carcinoma was treated with total thyroidectomy and radioiodine ablative therapy with 3943 MBq (107 mCi) I-131. Whole-body planar scintigraphy revealed an increased radioactivity in the upper pole of the right kidney, suggesting an unusual case of renal metastasis of a follicular thyroid carcinoma. SPECT/CT using a low dose CT protocol was performed as well as ultrasound. Although ultrasound revealed a cyst in the upper pole of the right kidney, the low dose CT was not helpful to differentiate a cyst from a solid renal tumor. Pyelocaliceal diverticulum may be considered as a pitfall in I-131 scintigraphy.

A 65-year-old woman with follicular thyroid carcinoma was treated with total thyroidectomy and radioiodine ablative therapy with 3943 MBq (107 mCi) I-131. Whole-body planar scintigraphy revealed an increased radioactivity in the upper pole of the right kidney, suggesting an unusual case of renal metastasis of a follicular thyroid carcinoma. SPECT/CT using a low dose CT protocol was performed as well as ultrasound. Although ultrasound revealed a cyst in the upper pole of the right kidney, the low dose CT was not helpful to differentiate a cyst from a solid renal tumor. Pyelocaliceal diverticulum may be considered as a pitfall in I-131 scintigraphy.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Diagnostic and Interventional Radiology
04 Faculty of Medicine > University Hospital Zurich > Institute of Surgical Pathology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Nuclear Medicine
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:June 2010
Deposited On:10 Jun 2010 12:26
Last Modified:05 Apr 2016 14:09
Publisher:Lippincott Wiliams & Wilkins
ISSN:0363-9762
Publisher DOI:https://doi.org/10.1097/RLU.0b013e3181db4aa8
PubMed ID:20479597

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