A Rare Case of a Renal Cell Carcinoma Confined to the Isthmus of a Horseshoe Kidney

Kongnyuy, Michael; Martinez, Daniel R; Park, Anthony; McCormick, Barrett Z.; Parker, Justin; Hall, Melanie

doi:10.1155/2015/126409

Cited by 6 publications

(7 citation statements)

References 9 publications

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“…In 2015, Kongnyuy et al described a tumor at the intersection of the inferior pole of the right renal component of the HSK and the renal isthmus ( 13 ).…”

Section: Discussionmentioning

confidence: 99%

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Renal Cell Carcinoma Arising from Isthmus of Horseshoe K

Khaladkar

Parripati

Koganti

et al. 2023

jkcvhl

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The most common congenital renal fusion anomaly is the horseshoe kidney (HSK) occurring in about 1 in 600–700 individuals in the Indian population. HSKs are associated with problems such as renal stones, obstruction of uretero-pelvic junction causing stasis, and infection due to ectopic location of the kidneys, malrotation of the kidneys, and vascular changes. In general, normally developed kidneys have more incidents of renal cell carcinoma (RCC) as compared to HSKs. The major issue arises during surgery of HSK due to their altered anatomy and aberrant blood supply. We present a case of HSK with RCC located in the isthmus of a 43-year-old woman.

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“…In 2015, Kongnyuy et al described a tumor at the intersection of the inferior pole of the right renal component of the HSK and the renal isthmus ( 13 ).…”

Section: Discussionmentioning

confidence: 99%

“…Isthmus usually has dual arterial supply. Each half of the isthmus has a dedicated arterial supply ( 13 ).…”

Section: Discussionmentioning

confidence: 99%

Renal Cell Carcinoma Arising from Isthmus of Horseshoe K

Khaladkar

Parripati

Koganti

et al. 2023

jkcvhl

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“…3,9 Of all the published cases, only two were found with bilateral malignancies, and fewer than 10 reported cases involving the isthmus. 10…”

Section: Discussionmentioning

confidence: 99%

“…3,9 Of all the published cases, only two were found with bilateral malignancies, and fewer than 10 reported cases involving the isthmus. 10 The most common types of renal cell carcinoma are clear cell, papillary, chromophobe, oncocytoma, and collecting duct. Clear cell carcinoma arises from the epithelial cells that line the proximal convoluted tubules of the nephron within the collecting system.…”

Section: Discussionmentioning

confidence: 99%

A Horseshoe Kidney With Solid Mass: A Case Report

Thoma

Hogan

2020

Journal of Diagnostic Medical Sonography

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Sonography can be used to detect horseshoe kidneys. Sonographic findings for horseshoe kidney commonly include an isthmus connection occurring anterior to the aorta and just inferior to the inferior mesenteric artery. This anomaly can occur with or without complications. Each kidney is associated with its separate collecting system, leading to increased risk for complications. This case study describes the importance of identifying a horseshoe kidney, isthmus, and blood supply to ensure prompt intervention if needed. A case report of a horseshoe kidney with a solid mass, in the isthmus, is provided.

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“…Developmental disorders of other parts of the urogenital tract as well as other organ systems may be associated with the appearance of the horseshoe kidney. Kidneys are most often connected at the lower poles by fibrous or parenchymal isthmus, which can have its own blood vessels [2]. Treatment involves surgical treatment that includes heminephrectomy or partial nephrectomy with different approaches.…”

Section: Introductionmentioning

confidence: 99%

Renal cell carcinoma of horseshoe kidney

2020

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Introduction. Horseshoe kidney is the most common developmental disorder of the urinary system, which involves an anomaly of kidney fusion, and occurs in 3% of the population. Kidneys are most often connected at the lower poles by fibrous or parenchymal isthmus. Renal cell carcinoma (RCC) is the most common tumor of the horseshoe kidney. Treatment involves surgical treatment that includes heminephrectomy or partial nephrectomy with different approaches. We report a case of RCC of a horseshoe kidney, located on lower pole and isthmus. Case outline. A sixty-eight-year-old patient reported to the urologist due to intermittent painless macroscopic hematuria. CT urography revealed the presence of a tumor on the right kidney measuring 85 ? 90 ? 60 mm, with radiological characteristics of RCC, which covered the entire lower pole of the kidney towards the isthmus. Angiography finding indicated thickened isthmus with pronounced malformation of vascular structures. The right heminephrectomy was performed with resection of the isthmus from 15 mm to healthy tissue. The isthmus was sutured in two layers with a catgut suture. Subsequently, hilar, paracaval, and interaorthocaval lymphadenectomy were performed. The pathohistological finding indicated a tumor of renal cell origin while the resection line was free of tumor tissue, as were the lymph nodes Conclusion. RCC is the most common neoplasm of the horseshoe kidney. Treatment is surgical and involves open or laparoscopic heminephrectomy or partial nephrectomy with a transperitoneal or extraperitoneal approach.

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A Rare Case of a Renal Cell Carcinoma Confined to the Isthmus of a Horseshoe Kidney

Cited by 6 publications

References 9 publications

Renal Cell Carcinoma Arising from Isthmus of Horseshoe K

Renal Cell Carcinoma Arising from Isthmus of Horseshoe K

A Horseshoe Kidney With Solid Mass: A Case Report

Renal cell carcinoma of horseshoe kidney

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