Threads and streaks sign

The threads and streaks sign refers to an angiographic appearance of a vascularised tumour thrombus extending into the ipsilateral renal vein or the inferior vena cava from a renal cell carcinoma. This gives an appearance of linear, thread like or string like appearance of the involved vessel. 

Presence of this sign helps in surgical decision making. This sign can be appreciated on angiography, CT and MR imaging.

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Article Information

rID: 25573
Sections: Pathology, Signs
Tags: refs, cases, stub
Synonyms or Alternate Spellings:
  • Threads - streaks sign
  • Thread and streak sign

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