The Comparison of the Incidence of Horseshoe Kidney in Autopsy Cases Versus Urologic Patient Population

Başar, Halil; Başar, Ruhgün; Başar, M. Murad; Erbil, Mine

doi:10.2535/ofaj1936.76.2-3_137

Cited by 25 publications

(17 citation statements)

References 16 publications

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“…According to many previous reports, the horseshoe kidney has the following 4 characteristic features: 1) the position lower than that of the normal kidney, 2) a ventrally opened hilum, 3) passage of the ureter on the ventral surface of the kidney, and 4) the presence of abnormal blood vessels (Iwatsubo E. 1971 8) ; Isomura G. 1988 9) ; Konishi M. 1991 10) ; Basar H. 1999 11) ). In the present case, the location of the horseshoe kidney was lower than usual.…”

Section: Horseshoe Kidneymentioning

confidence: 99%

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Morphological observation of the horseshoe kidney with circumaortic venous ring

Iimura

Oguchi

Shibata

et al. 2012

Okajimas Folia Anat. Jpn.

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Summary:In a student course of gross anatomy dissection at Knagawa Dental College in 2010, we found an extremely rare case of the horseshoe kidney with circumaortic venous ring in a 43-year-old Japanese male cadaver. In this case, the kidney consisted of three parts: the original kidneys on both sides and an isthmus between them. The location of each kidney was lower than that of the normal kidney. The hili on both sides opened toward the ventral direction, and the ureters descended in front of the isthmus and entered the bladder normally. This horseshoe kidney had original left and right renal arteries that branched from the abdominal aorta. There were also two surplus arteries. There were three renal veins on the left side, and these renal veins formed the circumaortic venous ring. The anatomical and embryological significance of this anomaly and its associated vascular system are discussed. The anatomy and etiology of these anomalous structures are discussed with references in the literature.

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Section: Horseshoe Kidneymentioning

confidence: 99%

“…Basar H. (1999) 11) has reported that the male to female ratio was 2.6 to 1 in Turkish, while Chen H. (2001) 6) has reported that the ratio was 2.3 to 1 in Japanese. According to Sekine G. (1990) 4) , Matsumoto T. (1963) 14) , Ognew BW.…”

Section: Horseshoe Kidneymentioning

confidence: 99%

Morphological observation of the horseshoe kidney with circumaortic venous ring

Iimura

Oguchi

Shibata

et al. 2012

Okajimas Folia Anat. Jpn.

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“…Ninety-five percent of horseshoe kidneys are fused at the lower poles. 1) The incidence of horseshoe kidney noted in Japanese reports 2) and in foreign reports 1,3) is 0.15%-0.48% and approximately 0.25%, respectively. The frequency in males is two to three times as high as in females.…”

Section: Introductionmentioning

confidence: 92%

“…The frequency in males is two to three times as high as in females. 1,3) Clinically, many cases of horseshoe kidney produce no symptoms. However, it is reported that persons with horseshoe kidney are more prone to developing infection, hydronephrosis, urolithiasis and ureteropelvic junction obstruction due to the influence of the abnormal ureteral course, the abnormal vessels supplying the horseshoe kidney, and the abnormal motility of the ureteropelvic junction segment.…”

Section: Introductionmentioning

confidence: 99%

Associations between kidney position and surplus renal arteries in horseshoe kidney: case report and analysis

Narita

Tani

Tonosaki

2012

Okajimas Folia Anat. Jpn.

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We report the anatomical findings of a case of horseshoe kidney, and analyze the associations between kidney position and surplus renal arteries in horseshoe kidneys found in Japanese autopsies in the past. The horseshoe kidney of our case fused at the lower poles of the original kidneys. Its right and left upper poles were at the middle region of the first and second lumbar vertebrae, respectively. The kidney was supplied by eight arteries. Our analysis of the correlation between the ascent of a horseshoe kidney and the number of surplus arteries found no significant association. However, there was a significant association between the region of the kidney where the surplus arteries entered and the location where they diverged from the aorta. Therefore, the ascent of a horseshoe kidney is not necessarily arrested because of the existence of many surplus arteries. After a horseshoe kidney partially ascends, the arteries which might become normal renal arteries are generated. In our case, we observed large splenomegaly, and noted that the left upper pole was the lowest compared with the horseshoe kidneys in the past autopsy reports. We suggest it is necessary to consider additional influences that determine the position of a horseshoe kidney.

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“…3 Even though the horse shoe kidney produces no symptoms, it is frequently concomitant with other vascular or genitourinary anomalies. [5][6][7][8] Therefore, it is important to be aware of these anomalies in clinical practice. Moreover, the horseshoe kidney can be transplanted en bloc or after division of the renal isthmus.…”

Section: Introductionmentioning

confidence: 99%