Published online Oct 10, 2016. doi: 10.5306/wjco.v7.i5.414
Peer-review started: February 28, 2016
First decision: July 5, 2016
Revised: August 19, 2016
Accepted: September 7, 2016
Article in press: September 9, 2016
Published online: October 10, 2016
To study the clinical findings and characteristic features in sciatic notch dumbbell tumors (SNDTs).
We retrospectively reviewed the clinical outcomes and characteristic features of consecutive cases of SNDTs (n = 8).
Buttock masses occurred in three patients with SNDT (37.5%). Severe buttock tenderness and pain at rest were observed in seven patients with SNDTs (87.5%). Remarkably, none of the patients with SNDTs experienced back pain. Mean tumor size was 8.4 ± 2.0 cm (range, 3.9 to 10.6 cm) and part of the tumor mass was detected in 2 patients in the sagittal view of lumbar magnetic resonance imaging (MRI).
The clinical information regarding to SNDTs is scarce. The authors consider that above mentioned characteristic findings may facilitate the suspicion of pelvic pathology and a search for SNDT by MRI or computed tomography should be considered in patients presenting with sciatica without evidence of spinal diseases.
Core tip: The author retrospectively studied the clinical outcomes and characteristic findings of consecutive cases of sciatic notch dumbbell tumors (SNDTs) and found that buttock mass, severe buttock pain at rest and lack of back pain may facilitate the suspicion of pelvic pathology and a search for SNDT by magnetic resonance imaging or computed tomography should be considered in patients presenting with sciatica without evidence of spinal diseases.