Close approximation and contact of adjacent spinous processes with enlargement, flattening, and sclerosis of apposing interspinous surfaces
Putative source of back pain exacerbated by extension, relieved with flexion
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Clark BM et al: Successful relief of back pain from Baastrup disease (kissing spines) by interspinous radiofrequency lesioning: a case report. A A Pract. 11(3):79-81, 2018
Mostofi K et al: Interlaminar lumbar device implantation in treatment of Baastrup disease (kissing spine). J Craniovertebr Junction Spine. 9(2):83-6, 2018
Alonso F et al: Baastrup's disease: a comprehensive review of the extant literature. World Neurosurg. 101:331-4, 2017
Hatgis J et al: Baastrup's disease, interspinal bursitis, and dorsal epidural cysts: radiologic evaluation and impact on treatment options. Cureus. 9(7):e1449, 2017
Gold M et al: Posterior epidural cyst associated with Baastrup disease. Spine J. 16(1):e23-4, 2016
Subramanyam P et al: Role of FDG PET/CT in Baastrup's disease. Indian J Nucl Med. 31(3):235-7, 2016
Kwong Y et al: MDCT findings in Baastrup disease: disease or normal feature of the aging spine? AJR Am J Roentgenol. 196(5):1156-9, 2011
Murthy NS et al: The retrodural space of Okada. AJR Am J Roentgenol. 196(6):W784-9, 2011
Jang EC et al: Posterior epidural fibrotic mass associated with Baastrup's disease. Eur Spine J. 19 Suppl 2:S165-8, 2010
Barbagallo GM et al: Analysis of complications in patients treated with the X-Stop Interspinous Process Decompression System: proposal for a novel anatomic scoring system for patient selection and review of the literature. Neurosurgery. 65(1):111-9; discussion 119-20, 2009
Lamer TJ et al: Fluoroscopically-guided injections to treat "kissing spine" disease. Pain Physician. 11(4):549-54, 2008
Lin E: Baastrup's disease (kissing spine) demonstrated by FDG PET/CT. Skeletal Radiol. 37(2):173-5, 2008
Maes R et al: Lumbar interspinous bursitis (Baastrup disease) in a symptomatic population: prevalence on magnetic resonance imaging. Spine (Phila Pa 1976). 33(7):E211-5, 2008
Hui C et al: Two unusual presentations of Baastrup's disease. Clin Radiol. 62(5):495-7, 2007
Mitra R et al: Interspinous ligament steroid injections for the management of Baastrup's disease: a case report. Arch Phys Med Rehabil. 88(10):1353-6, 2007
Chen CK et al: Intraspinal posterior epidural cysts associated with Baastrup's disease: report of 10 patients. AJR Am J Roentgenol. 182(1):191-4, 2004
Pinto PS et al: Spinous process fractures associated with Baastrup disease. Clin Imaging. 28(3):219-22, 2004
Rajasekaran S et al: Baastrup's disease as a cause of neurogenic claudication: a case report. Spine (Phila Pa 1976). 28(14):E273-5, 2003
Fardon DF et al: Nomenclature and classification of lumbar disc pathology. Recommendations of the Combined task Forces of the North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology. Spine (Phila Pa 1976). 26(5):E93-E113, 2001
Resnick D: Degenerative diseases of the vertebral column. Radiology. 156(1):3-14, 1985
Sartoris DJ et al: Age-related alterations in the vertebral spinous processes and intervening soft tissues: radiologic-pathologic correlation. AJR Am J Roentgenol. 145(5):1025-30, 1985
Bywaters EG et al: The lumbar interspinous bursae and Baastrup's syndrome. An autopsy study. Rheumatol Int. 2(2):87-96, 1982
Close approximation and contact of adjacent spinous processes with enlargement, flattening, and sclerosis of apposing interspinous surfaces
Putative source of back pain exacerbated by extension, relieved with flexion
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Clark BM et al: Successful relief of back pain from Baastrup disease (kissing spines) by interspinous radiofrequency lesioning: a case report. A A Pract. 11(3):79-81, 2018
Mostofi K et al: Interlaminar lumbar device implantation in treatment of Baastrup disease (kissing spine). J Craniovertebr Junction Spine. 9(2):83-6, 2018
Alonso F et al: Baastrup's disease: a comprehensive review of the extant literature. World Neurosurg. 101:331-4, 2017
Hatgis J et al: Baastrup's disease, interspinal bursitis, and dorsal epidural cysts: radiologic evaluation and impact on treatment options. Cureus. 9(7):e1449, 2017
Gold M et al: Posterior epidural cyst associated with Baastrup disease. Spine J. 16(1):e23-4, 2016
Subramanyam P et al: Role of FDG PET/CT in Baastrup's disease. Indian J Nucl Med. 31(3):235-7, 2016
Kwong Y et al: MDCT findings in Baastrup disease: disease or normal feature of the aging spine? AJR Am J Roentgenol. 196(5):1156-9, 2011
Murthy NS et al: The retrodural space of Okada. AJR Am J Roentgenol. 196(6):W784-9, 2011
Jang EC et al: Posterior epidural fibrotic mass associated with Baastrup's disease. Eur Spine J. 19 Suppl 2:S165-8, 2010
Barbagallo GM et al: Analysis of complications in patients treated with the X-Stop Interspinous Process Decompression System: proposal for a novel anatomic scoring system for patient selection and review of the literature. Neurosurgery. 65(1):111-9; discussion 119-20, 2009
Lamer TJ et al: Fluoroscopically-guided injections to treat "kissing spine" disease. Pain Physician. 11(4):549-54, 2008
Lin E: Baastrup's disease (kissing spine) demonstrated by FDG PET/CT. Skeletal Radiol. 37(2):173-5, 2008
Maes R et al: Lumbar interspinous bursitis (Baastrup disease) in a symptomatic population: prevalence on magnetic resonance imaging. Spine (Phila Pa 1976). 33(7):E211-5, 2008
Hui C et al: Two unusual presentations of Baastrup's disease. Clin Radiol. 62(5):495-7, 2007
Mitra R et al: Interspinous ligament steroid injections for the management of Baastrup's disease: a case report. Arch Phys Med Rehabil. 88(10):1353-6, 2007
Chen CK et al: Intraspinal posterior epidural cysts associated with Baastrup's disease: report of 10 patients. AJR Am J Roentgenol. 182(1):191-4, 2004
Pinto PS et al: Spinous process fractures associated with Baastrup disease. Clin Imaging. 28(3):219-22, 2004
Rajasekaran S et al: Baastrup's disease as a cause of neurogenic claudication: a case report. Spine (Phila Pa 1976). 28(14):E273-5, 2003
Fardon DF et al: Nomenclature and classification of lumbar disc pathology. Recommendations of the Combined task Forces of the North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology. Spine (Phila Pa 1976). 26(5):E93-E113, 2001
Resnick D: Degenerative diseases of the vertebral column. Radiology. 156(1):3-14, 1985
Sartoris DJ et al: Age-related alterations in the vertebral spinous processes and intervening soft tissues: radiologic-pathologic correlation. AJR Am J Roentgenol. 145(5):1025-30, 1985
Bywaters EG et al: The lumbar interspinous bursae and Baastrup's syndrome. An autopsy study. Rheumatol Int. 2(2):87-96, 1982
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