Ovarian vein invasion by renal cell carcinoma
Pre-operative staging of known renal cell carcinoma
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Typical large left renal carcinoma extending into and expanding the left renal vein to enter the IVC. Note further extension and expansion into the left ovarian vein down to the left adnexa.
It is not uncommon for RCC to enter the renal vein and IVC, sometimes up to the right atrium, i.e. with the direction of blood flow. Occasionally it can cross over to the contralateral renal vein. Rarely it may enter other veins including in this case the left ovarian vein from the left renal vein with growth down (i.e. retrograde to flow) to the left adnexa.
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