Companion shadows

Companion shadows are smooth, homogeneous, radiopaque shadows running parallel along the bones. They appear secondary to soft tissues and intercostal muscles running along:

Clinical importance

Companion shadows need to be differentiated from periosteal reactions secondary to adjacent bony or soft tissue pathology.

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Article information

rID: 25550
Section: Gamuts
Tags: stub, refs, cases
Synonyms or Alternate Spellings:
  • Companion shadow

Cases and figures

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    Right scapula com...
    Case 1: right scapula
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