CEUS appearance of Bosniak renal cystic masses (illustrations)
Diagnosis not applicable
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Images depict in order:
- Bosniak 1 simple cyst - complete absence of signal.
- Bosniak 2 cyst - bright band-like septal signal which corresponds to a thick, calcific septum on the B-mode-like image. No true vascularity.
- Bosniak 2F - faint, equivocal microbubble influx (original image)
- Bosniak 3 - clear septal vascularity and wall irregularity
- Bosniak 4 - marked septal enhancement and internal enhancing nodular foci.
Case Discussion
These illustrations can be used to highlight the differing imaging appearance of renal cystic lesions in the Bosniak system.
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