" /> signet ring sign of kidney - CISMeF





Preferred Label : signet ring sign of kidney;

RADLEX synonyms : papillary ring sign;

Definition : Necrotic tip of papilla resides in contrast-filled calyx, forming a ring, while contrast also pools near papilla, forming stone of ring. Suggests papillary necrosis.;

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Necrotic tip of papilla resides in contrast-filled calyx, forming a ring, while contrast also pools near papilla, forming stone of ring. Suggests papillary necrosis.

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04/05/2025


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