Primary Pituitary Lymphoma Diagnosis by FDG-PET/CT : Clinical Nuclear Medicine

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Primary Pituitary Lymphoma Diagnosis by FDG-PET/CT

Hayasaka, Kazumasa MD, PhD; Koyama, Masamichi MD, PhD; Yamashita, Takashi MD, PhD

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From the Department of Nuclear Medicine, Cancer Institute Hospital, Tokyo, Japan.

Received for publication September 11, 2009; revision accepted October 30, 2009.

Reprints: Kazumasa Hayasaka, MD, PhD, Department of Nuclear Medicine, Cancer Institute Hospital, Japanese Foundation for Cancer Research 3–10–6 Ariake Kotoh-ku, 1358500 Tokyo. E-mail: [email protected].

Clinical Nuclear Medicine 35(3):p 205, March 2010. | DOI: 10.1097/RLU.0b013e3181cc64a2

Abstract

Primary pituitary lymphoma is extremely rare. We describe a 71-year-old man who presented with appetite loss and sudden visual loss. Brain magnetic resonance imaging showed a mass at the pituitary gland that was moderately and homogeneously enhanced with contrast media. F-18 fluorodeoxyglucose positron emission tomography combined with CT (FDG-PET/CT) performed for a systemic survey revealed focal moderate FDG uptake only in the pituitary gland. The mass was histologically diagnosed as non-Hodgkin lymphoma from a biopsy of the pituitary gland.

Copyright © 2010 Wolters Kluwer Health, Inc. All rights reserved.

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