Free sequestered disc herniation at the S2 level misdiagnosed as neuroma

Witzmann, A.; Hammer, B; Fischer, Johannes

doi:10.1007/bf00593349

Cited by 10 publications

(4 citation statements)

References 4 publications

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“…Variable degrees of inflammatory changes in the adjacent fat and muscle may be seen (Fig 8d, 8e). Contrast enhancement is typically depicted and is expected to be rim-type enhancement (Fig 8d, 8e) (26,28,31), as seen with disk herniations in more typical locations. However, more homogeneous enhancement has been described (32).…”

Section: Fdg-avid Disk Herniationmentioning

confidence: 99%

“…The results of a modern MR imaging era study of 30 patients with symptomatic extraforaminal disk herniations and 30 asymptomatic volunteers revealed three MR imaging findings of utility in the diagnosis of extraforaminal herniations: focal eccentric contour of the disk in this region, a change in diameter of the exiting nerve root, and displacement of the nerve root (29). The first of these signs was determined to be the most reliable, but it can bone favors a diagnosis of neoplasm (31). Large osteophytes (such as those in diffuse idiopathic skeletal hyperostosis) or a prominent paraspinal venous plexus are additional mimics (30).…”

Section: Pathophysiologic Findings and Clinical Manifes-mentioning

confidence: 99%

“…Diagnosis.-The imaging and clinical differential diagnosis of extreme lateral disk herniation may include neoplasms, such as benign(31) and malignant (28) nerve sheath tumors. Extreme lateral herniated disks with a smoothly marginated, round morphologic structure may particularly simulate neoplasms.…”

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confidence: 99%

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Uncommon Manifestations of Intervertebral Disk Pathologic Conditions

Diehn¹,

Maus²,

Morris³

et al. 2016

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Beyond the familiar disk herniations with typical clinical features, intervertebral disk pathologic conditions can have a wide spectrum of imaging and clinical manifestations. The goal of this review is to illustrate and discuss unusual manifestations of intervertebral disk pathologic conditions that radiologists may encounter, including disk herniations in unusual locations, those with atypical imaging features, and those with uncommon pathophysiologic findings. Examples of atypical disk herniations presented include dorsal epidural, intradural, symptomatic thoracic (including giant calcified), extreme lateral (retroperitoneal), fluorine 18 fluorodeoxyglucose-avid, acute intravertebral (Schmorl node), and massive lumbar disk herniations. Examples of atypical pathophysiologic conditions covered are discal cysts, fibrocartilaginous emboli to the spinal cord, tiny calcified disks or disk-level spiculated osteophytes causing spinal cerebrospinal fluid (CSF) leak and intracranial hypotension, and pediatric acute calcific discitis. This broad gamut of disease includes a variety of sizes of disk pathologic conditions, from the tiny (eg, the minuscule calcified disks causing high-flow CSF leaks) to the extremely large (eg, giant calcified thoracic intradural disk herniations causing myelopathy). A spectrum of clinical acuity is represented, from hyperacute fibrocartilaginous emboli causing spinal cord infarct, to acute Schmorl nodes, to chronic intradural herniations. The entities included are characterized by a range of clinical courses, from the typically devastating cord infarct caused by fibrocartilaginous emboli, to the usually spontaneously resolving pediatric acute calcific discitis. Several conditions have important differential diagnostic considerations, and others have relatively diagnostic imaging findings. The pathophysiologic findings are well understood for some of these entities and poorly defined for others. Radiologists' knowledge of this broad scope of unusual disk disease is critical for accurate radiologic diagnoses. Online supplemental material is available for this article. (©)RSNA, 2016.

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Section: Fdg-avid Disk Herniationmentioning

confidence: 99%

Section: Pathophysiologic Findings and Clinical Manifes-mentioning

confidence: 99%

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Uncommon Manifestations of Intervertebral Disk Pathologic Conditions

Diehn¹,

Maus²,

Morris³

et al. 2016

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“…A number of cases of disc herniation mimicking neural tumor have been reported, both for the lumbar spine and for the thoracic spine. [7][8][9][10][11][12][13][14] It appears that a definitive diagnosis for a spinal lesion cannot be made by conventional radiographic or MRI evaluation alone. Histologic evaluation at the time of surgery is the only way to verify the diagnosis.…”

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confidence: 95%

In Vivo Proton Magnetic Resonance Spectroscopy of Human Spinal Mass Lesions

Kim¹,

Choi²,

Kim³

et al. 2004

Journal of Spinal Disorders &Amp; Techniques

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It appeared that acquisition of in vivo 1H-NMR signals was possible in human spinal mass lesions on a 1.5 T clinical MRI unit. Detection of choline only in the spinal tumors may indicate that there is some potential in using in vivo 1H-MRS to distinguish spinal tumors from disc herniation mimicking spinal cord tumors, non-multiple sclerosis myelitis, and dermoid cysts. On the basis of our NMR findings, however, it was not possible to distinguish between benign diseases.

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Sequestrated Lumbar Disk Herniations

Akhaddar

2023

Atlas of Sciatica

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Free sequestered disc herniation at the S2 level misdiagnosed as neuroma

Cited by 10 publications

References 4 publications

Uncommon Manifestations of Intervertebral Disk Pathologic Conditions

Uncommon Manifestations of Intervertebral Disk Pathologic Conditions

In Vivo Proton Magnetic Resonance Spectroscopy of Human Spinal Mass Lesions

Sequestrated Lumbar Disk Herniations

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