Pseudosciatica, wallet sciatica, deep gluteal syndrome
Definitions
Entrapment or compression of, or trauma to, lumbosacral plexus or pelvic nerve causing symptoms in innervated tissues
Piriformis syndrome: irritation of proximal sciatic nerve due to compression by piriformis muscle
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Yang J et al: Sciatic and femoral nerve injury among patients who received Bernese peri-acetabular osteotomy. Int Orthop. 43(3):573-7, 2019
Weissman E et al: Magnetic resonance neurography of the pelvic nerves. Semin Ultrasound CT MR. 38(3):269-78, 2017
Hernando MF et al: Deep gluteal syndrome: anatomy, imaging, and management of sciatic nerve entrapments in the subgluteal space. Skeletal Radiol. 44(7):919-34, 2015
Jeong HS et al: Long-term assessment of clinical outcomes of ultrasound-guided steroid injections in patients with piriformis syndrome. Ultrasonography. 34(3):206-10, 2015
Natsis K et al: Anatomical variations between the sciatic nerve and the piriformis muscle: a contribution to surgical anatomy in piriformis syndrome. Surg Radiol Anat. 36(3):273-80, 2014
Lee FC et al: High-resolution ultrasonography in the diagnosis and intraoperative management of peripheral nerve lesions. J Neurosurg. 114(1):206-11, 2011
Chhabra A et al: MR neurography of neuromas related to nerve injury and entrapment with surgical correlation. AJNR Am J Neuroradiol. 31(8):1363-8, 2010
Jawish RM et al: Anatomical, clinical and electrical observations in piriformis syndrome. J Orthop Surg Res. 5(1):3, 2010
Kanakis DN et al: Piriformis syndrome - an attempt to understand its pathology. Clin Neuropathol. 29(2):65-70, 2010
Petchprapa CN et al: MR imaging of entrapment neuropathies of the lower extremity. Part 1. The pelvis and hip. Radiographics. 30(4):983-1000, 2010
Takahara T et al: Diffusion-weighted MR neurography of the sacral plexus with unidirectional motion probing gradients. Eur Radiol. 20(5):1221-6, 2010
Halpin RJ et al: Piriformis syndrome: a real pain in the buttock? Neurosurgery. 65(4 Suppl):A197-202, 2009
Kirschner JS et al: Piriformis syndrome, diagnosis and treatment. Muscle Nerve. 40(1):10-8, 2009
Zhang Z et al: Morphological analysis in patients with sciatica: a magnetic resonance imaging study using three-dimensional high-resolution diffusion-weighted magnetic resonance neurography techniques. Spine (Phila Pa 1976). 34(7):E245-50, 2009
Fishman LM et al: BOTOX and physical therapy in the treatment of piriformis syndrome. Am J Phys Med Rehabil. 81(12):936-42, 2002
Fishman LM et al: Piriformis syndrome: diagnosis, treatment, and outcome--a 10-year study. Arch Phys Med Rehabil. 83(3):295-301, 2002
Related Anatomy
Loading...
Related Differential Diagnoses
Loading...
References
Tables
Tables
KEY FACTS
Terminology
Imaging
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
Pseudosciatica, wallet sciatica, deep gluteal syndrome
Definitions
Entrapment or compression of, or trauma to, lumbosacral plexus or pelvic nerve causing symptoms in innervated tissues
Piriformis syndrome: irritation of proximal sciatic nerve due to compression by piriformis muscle
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Yang J et al: Sciatic and femoral nerve injury among patients who received Bernese peri-acetabular osteotomy. Int Orthop. 43(3):573-7, 2019
Weissman E et al: Magnetic resonance neurography of the pelvic nerves. Semin Ultrasound CT MR. 38(3):269-78, 2017
Hernando MF et al: Deep gluteal syndrome: anatomy, imaging, and management of sciatic nerve entrapments in the subgluteal space. Skeletal Radiol. 44(7):919-34, 2015
Jeong HS et al: Long-term assessment of clinical outcomes of ultrasound-guided steroid injections in patients with piriformis syndrome. Ultrasonography. 34(3):206-10, 2015
Natsis K et al: Anatomical variations between the sciatic nerve and the piriformis muscle: a contribution to surgical anatomy in piriformis syndrome. Surg Radiol Anat. 36(3):273-80, 2014
Lee FC et al: High-resolution ultrasonography in the diagnosis and intraoperative management of peripheral nerve lesions. J Neurosurg. 114(1):206-11, 2011
Chhabra A et al: MR neurography of neuromas related to nerve injury and entrapment with surgical correlation. AJNR Am J Neuroradiol. 31(8):1363-8, 2010
Jawish RM et al: Anatomical, clinical and electrical observations in piriformis syndrome. J Orthop Surg Res. 5(1):3, 2010
Kanakis DN et al: Piriformis syndrome - an attempt to understand its pathology. Clin Neuropathol. 29(2):65-70, 2010
Petchprapa CN et al: MR imaging of entrapment neuropathies of the lower extremity. Part 1. The pelvis and hip. Radiographics. 30(4):983-1000, 2010
Takahara T et al: Diffusion-weighted MR neurography of the sacral plexus with unidirectional motion probing gradients. Eur Radiol. 20(5):1221-6, 2010
Halpin RJ et al: Piriformis syndrome: a real pain in the buttock? Neurosurgery. 65(4 Suppl):A197-202, 2009
Kirschner JS et al: Piriformis syndrome, diagnosis and treatment. Muscle Nerve. 40(1):10-8, 2009
Zhang Z et al: Morphological analysis in patients with sciatica: a magnetic resonance imaging study using three-dimensional high-resolution diffusion-weighted magnetic resonance neurography techniques. Spine (Phila Pa 1976). 34(7):E245-50, 2009
Fishman LM et al: BOTOX and physical therapy in the treatment of piriformis syndrome. Am J Phys Med Rehabil. 81(12):936-42, 2002
Fishman LM et al: Piriformis syndrome: diagnosis, treatment, and outcome--a 10-year study. Arch Phys Med Rehabil. 83(3):295-301, 2002
STATdx includes over 200,000 searchable images, including x-ray, CT, MR, and ultrasound images. To access all images, please log in or subscribe.