Variations in the gonadal artery with a single common trunk: embryological hypotheses by observation
| Autor: | Shuji Katsuki, Y. Miyaki, Osamu Tanaka, Kanae Umemoto, Kou Sakabe, N. Kosemura, Kaori Suyama, R Tanaka, Hayato Terayama, Ning Qu |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Adult
Male endocrine system Histology Dissection (medical) Ovarian artery Testicular artery Inferior vena cava Renal Veins Renal Artery Cadaver medicine.artery Testis medicine Humans Aorta Abdominal Renal artery business.industry Abdominal aorta Anatomy medicine.disease Cross-Sectional Studies medicine.anatomical_structure medicine.vein Female Gonadal artery business |
| Zdroj: | Folia Morphologica. 80:324-330 |
| ISSN: | 1644-3284 0015-5659 |
| DOI: | 10.5603/fm.a2020.0063 |
| Popis: | Background: A gonadal artery originates as a branch of the abdominal aorta and renal artery inferior to the level of origin of the renal arteries. Variations in multiple right testicular arteries (RTAs) arising from the abdominal aorta are common. We aimed to re-evaluate the unusual courses of gonadal arteries with a single common trunk in relation to the inferior vena cava and left renal vein and explain the developmental anatomy. Materials and methods: The observational cross-sectional study was performed on 54 Japanese adult cadavers (29 men and 25 women). We examined the literature and developed embryological hypotheses on the single common trunk of the gonadal artery. Results: The gonadal artery, testicular artery, and ovarian artery arose from the abdominal aorta in 93.1%, 96.3%, and 89.6% of cases, respectively, and from the renal artery in 4.9%, 3.7%, and 6.3% of cases, respectively. We found two rare variations in the RTAs observed during the routine dissection of two male cadavers; in these two cases, a single common trunk of the RTAs originated from the abdominal aorta. A single common trunk was found in 3.7% of cadavers, 2.0% of sides, and 2.0% of arteries in the gonadal artery and in 6.9% of cadavers, 3.8% of sides, and 3.7% of arteries in the testicular artery. All cases of the single common trunk, including those in past reports, were observed only in men. Conclusions: Knowledge of the variations in RTAs has important clinical consequences for invasive and non-invasive arterial procedures. In addition, this variation provides a new interpretation of the embryology of the gonadal artery. Variations similar to our findings have not been previously reported. Therefore, different variations concerning the RTA should be considered during surgical and non-surgical evaluations. |
| Databáze: | OpenAIRE |
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