open access

Vol 14, No 2 (2011)
Original articles
Published online: 2012-01-04
Submitted: 2012-01-23
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A false-positive finding in therapeutic evaluation: hypermetabolic axillary lymph node in a lymphoma patient following FDG extravasation

Thomas Wagner, Nicolas Brucher, Anne Julian, Anne Hitzel
Nucl. Med. Rev 2011;14(2):109-111.

open access

Vol 14, No 2 (2011)
Original articles
Published online: 2012-01-04
Submitted: 2012-01-23

Abstract

We report a case of a false-positive finding in FDG PET/CT following radiotracer extravasation. A 15-year-old male patient was referred for therapeutic evaluation status post-chemotherapy for a lymphoblastic lymphoma. FDG PET/CT showed discordant findings with a marked decrease in a liver/hepatic hilum uptake, disappearance of a subcutaneous left supraclavicular uptake, and appearance of intense right axillary nodal uptake. Extravasation in the right superior limb was noted. Comparison with the previous scan showed that the axillary nodes were present, measured less than 1 cm in their short axis, had not increased in size, and had a fatty hilum. We concluded that FDG uptake was caused by a migration in lymphatic vessels.
Nuclear Med Rev 2011; 14, 2: 109–111

Abstract

We report a case of a false-positive finding in FDG PET/CT following radiotracer extravasation. A 15-year-old male patient was referred for therapeutic evaluation status post-chemotherapy for a lymphoblastic lymphoma. FDG PET/CT showed discordant findings with a marked decrease in a liver/hepatic hilum uptake, disappearance of a subcutaneous left supraclavicular uptake, and appearance of intense right axillary nodal uptake. Extravasation in the right superior limb was noted. Comparison with the previous scan showed that the axillary nodes were present, measured less than 1 cm in their short axis, had not increased in size, and had a fatty hilum. We concluded that FDG uptake was caused by a migration in lymphatic vessels.
Nuclear Med Rev 2011; 14, 2: 109–111
Get Citation

Keywords

FDG PET/CT; therapy response assessment; extravasation

About this article
Title

A false-positive finding in therapeutic evaluation: hypermetabolic axillary lymph node in a lymphoma patient following FDG extravasation

Journal

Nuclear Medicine Review

Issue

Vol 14, No 2 (2011)

Pages

109-111

Published online

2012-01-04

Bibliographic record

Nucl. Med. Rev 2011;14(2):109-111.

Keywords

FDG PET/CT
therapy response assessment
extravasation

Authors

Thomas Wagner
Nicolas Brucher
Anne Julian
Anne Hitzel

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