Frontiers in endocrinology · 2026
Challenges in diagnosis of reninoma: three case reports and literature review.
СтатьяКлинический случайОбзорНазвание и аннотация: Перевод в очереди
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Lv Li, Chen Heye, Wang Baoping, Li Shuo, Bian Bo, Cui Jingqiu, He Qing, Dong Zuoliang, Chen Qiusong, Zhao Xin, Zhang Yujie, Liu Ming
Аннотация
BACKGROUND: Reninoma is rare and very challenging to diagnose. It is characterized by excessive renin secretion that causes severe hypertension and occurs more frequently in young females. Here, we compare and analyze three cases, which were not initially considered reninoma, because there was no increase in plasma renin activity (PRA), patients had refractory hypertension, or were older.
RESULTS: In two cases, PRA is normal or decreased but the direct renin concentration (DRC) is elevated. The third is in an older man with ambiguous imaging assessments and no evident lateralization of renal vein renin levels.
CONCLUSIONS: Our findings suggest that the diagnosis of reninoma should not be completely excluded in patients with no elevated renin activity or refractory hypertension. In addition, a combination of blood tests and imaging analysis is highly recommended, and lateralization of renin levels is more applicable in cases where tumors are relatively small.
RESULTS: In two cases, PRA is normal or decreased but the direct renin concentration (DRC) is elevated. The third is in an older man with ambiguous imaging assessments and no evident lateralization of renal vein renin levels.
CONCLUSIONS: Our findings suggest that the diagnosis of reninoma should not be completely excluded in patients with no elevated renin activity or refractory hypertension. In addition, a combination of blood tests and imaging analysis is highly recommended, and lateralization of renin levels is more applicable in cases where tumors are relatively small.