Related Experiment Video
Updated: Mar 12, 2026

Stromal Vascular Fraction-enriched Fat Grafting for the Treatment of Symptomatic End-neuromata
Published on: November 23, 2017
C2 dumbbell-shaped peripheral nerve sheath tumors: Surgical management and relationship with venous structures
Zuowei Wang1, Xingwen Wang2, Hao Wu2
1Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Division of Spine, China International Neurological Institute, Beijing, People's Republic of China; Department of Neurosurgery, Beijing Hospital, National Center of Gerontology, Beijing, People's Republic of China.
Objectives:
This study focuses on the adjacent venous structures of tumors and their treatment in patients with second cervical (C2) dumbbell-shaped peripheral nerve sheath tumors (PNSTs).
Patients And Methods:
The authors retrospectively analyzed the clinical outcome and the venous structures involved with tumors in 16 patients with C2 dumbbell-shaped PNSTs treated surgically between 2008 and 2015.
Results:
The venous structures at the craniocervical junction could be visualized in all 16 patients on contrast-enhanced T1-weighted magnetic resonance imaging. The venous structures could be identified during surgery. The common locations of venous structures were noted as follows: the suboccipital cavernous sinus was located anterolateral and toward the top of the tumor; the vertebral venous plexus was located ventral to the tumor; and the vertebral artery venous plexus was shifted anteriorly and laterally by the tumor. Total excision was achieved in all 16 patients. Clinical improvements were observed in all 16 patients postoperatively.
Conclusions:
The C2 dumbbell-shaped PNSTs were closely related to the suboccipital venous structures. Understanding and proper management of these venous structures is critical for reduced bleeding and successful surgery.
Insights
This study examined venous structures near C2 dumbbell-shaped peripheral nerve sheath tumors (PNSTs). Understanding these venous relationships is key for successful surgical removal and improved patient outcomes.
Area of Science:
- Neurosurgery
- Oncology
- Radiology
Background:
- Dumbbell-shaped peripheral nerve sheath tumors (PNSTs) at the second cervical (C2) level present unique surgical challenges.
- The intricate venous anatomy surrounding these tumors can complicate surgical approaches and increase risks.
Purpose of the Study:
- To investigate the anatomical relationship between C2 dumbbell-shaped PNSTs and adjacent venous structures.
- To evaluate the impact of understanding venous anatomy on surgical treatment outcomes.
Main Methods:
- Retrospective analysis of 16 patients with C2 dumbbell-shaped PNSTs who underwent surgical treatment.
- Detailed review of pre-operative contrast-enhanced T1-weighted MRI to visualize venous structures.
- Intraoperative identification and documentation of venous structures in relation to the tumors.
Main Results:
- Venous structures at the craniocervical junction were consistently visualized on MRI and identified during surgery.
- Common venous relationships included the suboccipital cavernous sinus (anterolateral/superior), vertebral venous plexus (ventral), and anteriorly/laterally displaced vertebral artery venous plexus.
- Total tumor excision was achieved in all 16 patients.
- All patients demonstrated clinical improvement post-operatively.
Conclusions:
- C2 dumbbell-shaped PNSTs exhibit close anatomical proximity to suboccipital venous structures.
- Thorough understanding and meticulous management of these venous structures are crucial for minimizing intraoperative bleeding and ensuring surgical success.
Related Concept Videos
Peripheral Artery Disease V: Postoperative Nursing Management
Aneurysm IV: Nursing Management
Venous Thrombosis IV: Nursing Management

