Speech bubble sign

Dr Ian Bickle et al.

The speech bubble (or talk bubble) sign is one ascribed to the appearances of a Baker's cyst.

This is related to the neck of the cyst arising from the synovial space into the larger dilated cystic component.

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Article information

rID: 48471
Synonyms or Alternate Spellings:
  • talk bubble sign

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Cases and figures

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    Figure 1: Speech bubble
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    Case 1: Baker's cyst with speech bubble sign
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