Fishhook ureter

The fishhook ureter sign, also known as the "hockey stick" or "J-shaped" ureter sign, is a radiologic sign that has been used to describe the presence of a retrocaval ureter, which is an anatomical anomaly where the ureter abnormally runs posterior to the IVC. This abnormality often results in hydroureter or hydronephrosis.^[1]

The fishook ureter sign also describes the appearance of the ureter in patients with bladder outlet obstruction due to benign prostatic hyperplasia (BPH).^[2]

References

^ Hoffman, Cane F.; Dyer, Raymond B. (2018). "The "fish hook" sign of retrocaval ureter". Abdominal Radiology. 43 (3): 755–757. doi:10.1007/s00261-017-1248-7. ISSN 2366-0058. PMID 28685246.
^ Mamoulakis, Charalampos; Herrmann, Thomas R. W.; Höfner, Klaus; Oelke, Matthias (2011). "The fish-hook configuration of the distal ureter indicates bladder outlet obstruction due to benign prostatic hyperplasia". World Journal of Urology. 29 (2): 199–204. doi:10.1007/s00345-010-0612-9. ISSN 1433-8726. PMC 3062760. PMID 21079967.

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[1] Hoffman, Cane F.; Dyer, Raymond B. (2018). "The "fish hook" sign of retrocaval ureter". Abdominal Radiology. 43 (3): 755–757. doi:10.1007/s00261-017-1248-7. ISSN 2366-0058. PMID 28685246.

[2] Mamoulakis, Charalampos; Herrmann, Thomas R. W.; Höfner, Klaus; Oelke, Matthias (2011). "The fish-hook configuration of the distal ureter indicates bladder outlet obstruction due to benign prostatic hyperplasia". World Journal of Urology. 29 (2): 199–204. doi:10.1007/s00345-010-0612-9. ISSN 1433-8726. PMC 3062760. PMID 21079967.

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