Nutcracker syndrome (NCS) refers to compression of the left renal vein (LRV) between the abdominal aorta and the superior mesenteric artery (SMA). The clinical presentation of NCS includes hematuria, abdominal and left flank pain, gonadal varices, and varicocele formation. Theoretically, thrombosis can occur in the LRV in patients with NCS. However, an isolated solitary left renal vein thrombus (LRVT) complicating NCS is rare. In addition, the clinical features of an LRVT complicating NCS remain unclear. We describe a 43-year-old woman presenting with an asymptomatic LRVT complicating NCS. She was referred to our hospital for investigation of dysfunctional uterine bleeding, and detailed examination revealed endometrial cancer. Computed tomography angiography (CTA) and Doppler ultrasonography revealed compression of the LRV between the aorta and the SMA, as well as an LRVT. CTA performed 4 months after the administration of an anticoagulant showed complete disappearance of the LRVT. We have also included a review of published reports describing LRVT complicating NCS and discussed the clinical features of such a presentation.
CEN case reports. 2020 Apr 03 [Epub ahead of print]
Takashi Nakashima, Yuki Sahashi, Hiromitsu Kanamori, Yasushi Ohno, Hiroyuki Okura
Department of Cardiology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan. ., Department of Cardiology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan., Department of Respirology, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan.