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