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Extraosseous uptake of technetium-99m methylene diphosphonate by an acute territorial cerebral infarct in a classical biodistribution pattern.

Abstract
Technetium-99m methylene diphosphonate scintigraphy is usually performed to assess bone lesions, especially skeletal metastases in patients with a history of malignancy. However, it is important to recognize some specific conditions with a unique pattern of tracer uptake, especially in extraosseous locations as they are not related to primary neoplasm or metastases. Diagnosing such unusual presentation is essential as it significantly influences the clinical management. This case report describes an unusual presentation detected in a bone scan of an elderly female patient, who was a treated case of breast cancer and was referred for a bone scan to rule out bone metastases. Incidentally, a large acute territorial cerebral infarct was diagnosed, which was later confirmed by magnetic resonance imaging on diffusion-weighted images. Diagnosis of the typical presentation and timely management saved the patient life.
AuthorsAnbalagan Kannivelu, Ajit Kumar Padhy, Sivasubramanian Srinivasan, Syed Zama Ali
JournalIndian journal of nuclear medicine : IJNM : the official journal of the Society of Nuclear Medicine, India (Indian J Nucl Med) Vol. 28 Issue 4 Pg. 240-2 (Oct 2013) ISSN: 0972-3919 [Print] India
PMID24379538 (Publication Type: Case Reports)

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