Nucl Med Mol Imaging.  2007 Jun;41(3):260-262.

Biparietal Thinning Showing Typical Bilateral Photon Defects on Bone Scintigraphy and SPECT

Affiliations
  • 1Department of Nuclear Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk, Korea. mhsohn@chonbuk.ac.kr
  • 2Department of Internal Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk, Korea.

Abstract

A 68-year-old man with small cell carcinoma of the lung and adenocarcinoma of the prostate underwent Tc-99m MDP bone scintigraphy for the evaluation of skeletal metastases. Bilateral symmetrical photon defects in both parietal bones of the skull were observed. The radiographs of the skull demonstrates biparietal thinning in the same area of the abnormality identified on bone scintigraphy. Although these findings in cancer patients can be mistaken for skeletal metastases, the symmetry and location of the photon defects are generally indicative of biparietal thinning.

Keyword

bone scintigraphy; SPECT; Tc-99m MDP; biparietal thinning

MeSH Terms

Adenocarcinoma
Aged
Carcinoma, Small Cell
Humans
Lung
Neoplasm Metastasis
Parietal Bone
Prostate
Radionuclide Imaging*
Skull
Technetium Tc 99m Medronate
Tomography, Emission-Computed, Single-Photon*
Technetium Tc 99m Medronate
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