Superscan is intense symmetric activity in the bones with diminished renal and soft tissue activity on a Tc99m diphosphonate bone scan.

This appearance can result from a range of etiological factors:

A metastatic superscan tends to have uptake throughout the axial skeleton and proximal appendicular skeleton, often somewhat heterogeneous. In contrast, a metabolic superscan tends to be more uniform and involve both the axial and more peripheral skeleton, including the distal extremities, calvarium, and mandible.

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Article information

rID: 2129
Section: Gamuts
Synonyms or Alternate Spellings:
  • Superscan : differential diagnosis

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Cases and figures

  • Case 1: metastatic prostate cancer
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  • Case 2: metastatic prostate cancer
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  • Case 3: osseous metastases
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  • Case 4: secondary hyperparathyroidism
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  • Case 5: metastatic breast disease
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