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[Tumor pathology in horseshoe kidney]
S Vázquez Blanc1, L Calahorra Fernández, A Rodríguez Antolín
1Servicio de Urología, Hospital 12 de Octubre, Universidad Complutense, Madrid.
Actas Urologicas Espanolas
|July 1, 1994
Summary
Horseshoe kidney, a common renal malformation, can be associated with rare renal tumors like adenocarcinoma. Arteriography and medial laparotomy are key for surgical planning, with prognosis determined by tumor stage, not the malformation itself.
Area of Science:
- Urology
- Nephrology
- Surgical Oncology
Background:
- Horseshoe kidney is the most frequent renal malformation.
- Renal adenocarcinoma is the most common primary renal neoplasm.
- The co-occurrence of renal tumors and horseshoe kidneys is rare, with only 135 documented cases.
Purpose of the Study:
- To present four cases of tumors within horseshoe kidneys.
- To discuss the diagnostic and surgical management of these rare associations.
- To evaluate the influence of horseshoe kidney malformation on tumor prognosis.
Main Methods:
- Case series presentation of four patients with tumors in horseshoe kidneys.
- Review of diagnostic imaging, specifically arteriography.
- Description of surgical approach, focusing on medial laparotomy.
Main Results:
- Three patients had adenocarcinoma; one had a urothelial tumor of the renal pelvis.
- Arteriography was identified as a crucial pre-operative imaging technique.
- Tumor staging, not the horseshoe kidney malformation, determined patient prognosis.
Conclusions:
- Tumors in horseshoe kidneys require specific pre-operative imaging and surgical planning.
- Arteriography is essential for pre-operative assessment.
- Medial laparotomy is the recommended surgical approach.
- Prognosis is dictated by tumor stage and not the presence of horseshoe kidney.