Intraspinal extradural myxopapillary ependymoma of the sacrum arising from the filum terminale externa

2000 ◽  
Vol 93 (2) ◽  
pp. 322-326 ◽  
Author(s):  
Daryl R. Fourney ◽  
Gregory N. Fuller ◽  
Ziya L. Gokaslan
Keyword(s):  
Soft Tissues ◽  
Bone Erosion ◽  
Ependymal Cells ◽  
Myxopapillary Ependymoma ◽  
Filum Terminale ◽  
Review Of The Literature ◽  
Content Type ◽  
Sacrococcygeal Region ◽  
Sacral Canal ◽  
Fine Print

✓ Extradural ependymomas of the sacrococcygeal region are very rare, with most arising from the soft tissues of the presacral area or from the regions dorsal to the sacrum. In even rarer circumstances, the tumor may arise within the sacral canal, likely as a result of ependymal cells of the extradural filum terminale. Because of bone erosion caused by extension of the tumor into the pelvis or dorsal to the sacrum, a truly intraspinal extradural ependymoma in this region has until now never been clearly demonstrated. The authors present a patient with a myxopapillary ependymoma arising from the filum terminale externa in which there was no involvement of the intradural filum or extension outside the sacral canal. A review of the literature is presented, with emphasis on the pathogenesis and clinical management of these rare tumors.

Solitary fibrous tumor of the thoracic spine. Case report and review of the literature

2000 ◽  
Vol 92 (2) ◽  
pp. 217-220 ◽  
Author(s):  
Sarel J. Vorster ◽  
Richard A. Prayson ◽  
Joung H. Lee
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Thoracic Spine ◽  
Solitary Fibrous Tumor ◽  
Soft Tissues ◽  
Review Of The Literature ◽  
Content Type ◽  
The Central Nervous System ◽  
Fibrous Tumor ◽  
Fine Print

✓ Solitary fibrous tumor (SFT) is a neoplasm first described as a tumor of mesenchymal origin involving soft tissues. The authors provide a review of the literature with detailed pathological analysis and radiological description of SFTs involving the central nervous system. The authors report a rare case of a SFT of the thoracic spine in an adult man presenting with myelopathy. Magnetic resonance imaging revealed a well-circumscribed, intradural, extramedullary mass at the T2–3 level. Histological examination demonstrated a proliferation of predominantly spindle-shaped cells with a collagen-matrix background. Immunohistochemical staining was positive for vimentin and CD34 and negative for S-100 and epithelial membrane antigen with an MIB-1 labeling index of 2.6%. Review of the literature revealed 10 cases in which this tumor, frequently found in the pleura, was involved in the central nervous system. Although rare and their clinical significance as yet unknown, SFTs may be considered in the differential diagnosis of intradural spinal cord lesions. The natural history is also unknown, but these tumors appear to be biologically benign.

Myelomeningocele and thick filum terminale with tethered cord appearing as a human tail

1993 ◽  
Vol 78 (6) ◽  
pp. 966-969 ◽  
Author(s):  
Shushovan Chakrabortty ◽  
Shizuo Oi ◽  
Yasuhisa Yoshida ◽  
Hiroshi Yamada ◽  
Michio Yamaguchi ◽  
...  
Keyword(s):  
Unusual Case ◽  
Spinal Dysraphism ◽  
Tethered Cord ◽  
Tethered Spinal Cord ◽  
Filum Terminale ◽  
Review Of The Literature ◽  
External Appearance ◽  
Content Type ◽  
Human Tail ◽  
Fine Print

✓ Tail-like caudal appendages may be associated with spinal dysraphism, particularly with spinal lipomas or lipomyelomeningoceles. An unusual case is presented of a patient with a myelomeningocele and a thick filum terminale with tethered spinal cord, which presented with the external appearance of a human tail. A review of the literature reveals that human tails may be associated with dysraphic conditions. Extensive neuroradiological examinations should be performed for all such cases of apparent tails.

Progressive neurological deficits with benign intracerebral cysts

1986 ◽  
Vol 65 (5) ◽  
pp. 706-709 ◽  
Author(s):  
Yoko Nakasu ◽  
Jyoji Handa ◽  
Kazuyoshi Watanabe
Keyword(s):  
Histological Examination ◽  
Computerized Tomography ◽  
Cyst Wall ◽  
Benign Lesion ◽  
Ct Scanning ◽  
Neurological Deficits ◽  
Review Of The Literature ◽  
Content Type ◽  
Ct Findings ◽  
Fine Print

✓ Two patients with benign intracerebral cysts are reported and a brief review of the literature is given. Although computerized tomography (CT) scanning is useful in detecting a variety of intracerebral cysts, the CT findings are not specific for any lesion. An exploratory operation with establishment of an adequate route of drainage and a histological examination of the cyst wall are mandatory in the management of patients with a progressive but benign lesion.

Hemangiopericytoma of the spinal canal

1978 ◽  
Vol 49 (6) ◽  
pp. 914-920 ◽  
Author(s):  
Darrell J. Harris ◽  
Victor L. Fornasier ◽  
Kenneth E. Livingston
Keyword(s):  
Endothelial Cells ◽  
Differential Diagnosis ◽  
High Risk ◽  
Spinal Canal ◽  
Vertebral Column ◽  
Soft Tissues ◽  
Surgical Removal ◽  
Vascular Neoplasm ◽  
Content Type ◽  
Fine Print

✓ Hemangiopericytoma is a vascular neoplasm consisting of capillaries outlined by an intact basement membrane that separates the endothelial cells of the capillaries from the spindle-shaped tumor cells in the extravascular area. These neoplasms are found in soft tissues but have rarely been shown to involve the spinal canal. This is a report of three such cases. Surgical removal of the tumor from the spinal canal was technically difficult. A high risk of recurrence has been reported but in these three cases adjunctive radiotherapy appeared to be of benefit in controlling the progression of the disease. These cases, added to the six cases in the literature, confirm the existence of hemangiopericytoma involving the vertebral column with extension into the spinal canal. This entity should be included in the differential diagnosis of lesions of the spinal canal. The risk of intraoperative hemorrhage should be anticipated.

Brain-stem hemangioma calcificans

1983 ◽  
Vol 59 (1) ◽  
pp. 150-152 ◽  
Author(s):  
Michele Occhiogrosso ◽  
Aristide Carella ◽  
Paola D'aprile ◽  
Giacomo Vailati
Keyword(s):  
Brain Stem ◽  
Cavernous Hemangioma ◽  
Diagnosis And Treatment ◽  
Review Of The Literature ◽  
Content Type ◽  
Fine Print

✓ A case of brain-stem hemangioma calcificans is described. The few cases reported in the literature prove the rarity of this tumor, which is considered a benign variant of cerebral cavernous hemangioma. Diagnosis and treatment of these tumors are briefly discussed with a review of the literature including 11 previous cases.

Circumferential fracture of the skull base causing craniocervical dislocation

2002 ◽  
Vol 97 (1) ◽  
pp. 118-122 ◽  
Author(s):  
Ganesh Rao ◽  
Adam S. Arthur ◽  
Ronald I. Apfelbaum
Keyword(s):  
High Speed ◽  
Unusual Case ◽  
Motor Vehicle ◽  
Neurological Impairment ◽  
Craniocervical Junction ◽  
Motor Vehicle Accidents ◽  
Review Of The Literature ◽  
Content Type ◽  
Vehicle Accidents ◽  
Fine Print

✓ Fractures of the craniocervical junction are common in victims of high-speed motor vehicle accidents; indeed, injury to this area is often fatal. The authors present the unusual case of a young woman who sustained a circumferential fracture of the craniocervical junction. Despite significant trauma to this area, she suffered remarkably minor neurological impairment and made an excellent recovery. Her injuries, treatment, and outcome, as well as a review of the literature with regard to injuries at the craniocervical junction, are discussed.

Delayed myelopathy secondary to retained intraspinal metallic fragment

1981 ◽  
Vol 55 (6) ◽  
pp. 979-982 ◽  
Author(s):  
F. Douglas Jones ◽  
Ronald E. Woosley
Keyword(s):  
Thoracic Spine ◽  
Stab Wound ◽  
Good Recovery ◽  
Review Of The Literature ◽  
Content Type ◽  
Stab Wounds ◽  
Fine Print

✓ The authors present a case of delayed myelopathy arising 8 years after a stab wound to the thoracic spine, with intradural retention of the knife tip. Following removal of the knife tip, the patient had a good recovery. A review of the literature documents eight additional cases of delayed myelopathy secondary to retained fragments from spinal stab wounds.

Terminal ventriculostomy for syringomyelia

1977 ◽  
Vol 46 (5) ◽  
pp. 609-617 ◽  
Author(s):  
W. James Gardner ◽  
Herbert S. Bell ◽  
Pete N. Poolos ◽  
Donald F. Dohn ◽  
Marta Steinberg
Keyword(s):  
Clinical Course ◽  
Adult Life ◽  
Central Canal ◽  
Conus Medullaris ◽  
Fetal Life ◽  
Filum Terminale ◽  
Content Type ◽  
Fine Print

✓ The clinical course of 12 patients who underwent terminal ventriculostomy for syringomyelia is presented. Opening the central canal at the tip of the conus medullaris is a relatively benign procedure that improves the symptoms of syringomyelia and syringobulbia. This canal normally terminates at the tip of the conus, but in each of the 12 surgical specimens it continued into the filum terminale for distances up to 8 cm. In most cases the tip of the conus was located more caudally than normal, indicating some degree of tethering in fetal life. This belief is supported by the fact that the newborn, whose conus is tethered to a lipoma at the sacral level, may develop syringomyelia in adult life.

Ultrastructure of the human posttraumatic syrinx

1989 ◽  
Vol 71 (2) ◽  
pp. 239-243 ◽  
Author(s):  
Kesava K. V. Reddy ◽  
Marc R. Del Bigio ◽  
Garnette R. Sutherland
Keyword(s):  
Central Canal ◽  
Ependymal Cells ◽  
Electron Microscopic ◽  
Content Type ◽  
Microscopic Features ◽  
Cell Processes ◽  
Ultrastructural Appearance ◽  
Posttraumatic Syringomyelia ◽  
Communicating Syringomyelia ◽  
Fine Print

✓ Although posttraumatic syringomyelia is a well-established clinicopathological entity, there is a paucity of information on the ultrastructural features of this condition. This study documents the light and electron microscopic features of posttraumatic syringes obtained from two patients who underwent surgical cordectomy. The syringes were lined largely by cell processes of astrocytes. Small regions near the caudal end were lined by flattened ependymal cells that lacked surface specializations. These were thought to represent remnants of the central canal ependyma. The ultrastructural appearance of the syrinx was similar to that of the communicating syringomyelia as well as the periventricular changes that accompany hydrocephalus. The authors conclude that the changes represent the nonspecific sequelae of a distensile force within the syrinx cavity.

Intracranial extension of an eccrine porocarcinoma

1999 ◽  
Vol 90 (1) ◽  
pp. 138-140 ◽  
Author(s):  
Ann M. Ritter ◽  
R. Scott Graham ◽  
Barbara Amaker ◽  
William C. Broaddus ◽  
Harold F. Young
Keyword(s):  
Soft Tissue ◽  
Malignant Tumor ◽  
Clinical Presentation ◽  
Intracranial Extension ◽  
Pathological Findings ◽  
Review Of The Literature ◽  
Radiographic Evidence ◽  
Content Type ◽  
Eccrine Porocarcinoma ◽  
Fine Print

✓ Eccrine porocarcinoma is a rare malignant tumor of the true sweat gland. It commonly presents in the lower extremities with lymphatic metastasis. The authors describe the clinical presentation, radiographic evidence, operative discoveries, and pathological findings in a patient with an eccrine porocarcinoma involving the soft tissue of the occiput, which had eroded through the cranium. A review of the literature failed to reveal any other such case. The discussion includes the epidemiology, pathogenesis, treatment, and outcome of eccrine porocarcinomas. The six reported cases of scalp eccrine tumors are reviewed.

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