A Mobile Schwannoma of the Cervical Spinal Cord

Neurosurgery ◽  
2015 ◽  
Vol 78 (1) ◽  
pp. E156-E159 ◽  
Author(s):  
Yukinori Terada ◽  
Hiroki Toda ◽  
Akiyoshi Yokote ◽  
Koichi Iwasaki

Abstract BACKGROUND AND IMPORTANCE: Mobile schwannomas have been reported in the lumbar spine and occasionally in the thoracic spine. However, to the best of our knowledge, this is the first known report of a cervical mobile schwannoma. Mobile schwannomas require careful preoperative and intraoperative evaluation of their localization because tumor mobility may result in surgery at the wrong level. CLINICAL PRESENTATION: A 68-year-old man had complained of clumsiness in his left hand for 10 years. An initial magnetic resonance image (MRI) showed an intradural extramedullary tumor at the C5 to C7 levels, deformation of the adjacent spinal cord, and unusual dilatation of the subarachnoid space from the C7 to T1 levels. A subsequent MRI revealed that the tumor had moved to the C6 to T1 levels. We diagnosed the lesion as a mobile tumor of the cervical spinal cord. The patient underwent a C6-C7 laminectomy with an additional partial laminectomy of C5 and T1. Intraoperative ultrasonography helped localize the tumor. Transdural ultrasonography and direct observation confirmed the tumor mobility. The tumor was completely removed. The histological diagnosis was schwannoma. CONCLUSION: We observed an extremely rare case of a mobile schwannoma of the cervical spine. Unusually dilated subarachnoid space adjacent to the tumor can be a diagnostic sign of tumor mobility, regardless of vertebral level. Repeated MRI studies are useful to preoperatively confirm tumor mobility. Intraoperative ultrasonography is valuable for the real-time localization of such mobile tumors to avoid potentially performing surgery at the wrong vertebral level.

1988 ◽  
Vol 68 (3) ◽  
pp. 466-471 ◽  
Author(s):  
Robert L. Macdonald ◽  
J. Max Findlay ◽  
Charles H. Tator

✓ Two cases of progressive myelopathy occurring years after incomplete cervical spinal cord injury are presented. In both patients, the clinical features, as well as the “bull's-eye” appearance of the delayed computerized tomography (CT) myelography study and the circumscribed low density of the magnetic resonance image, were consistent with posttraumatic syringomyelia, but surgical exploration including intraoperative spinal sonography failed to reveal a syrinx. Although arachnoiditis was present in both patients, the striking abnormality found at surgery was the softened appearance and the microcystic degeneration of the cord. The microcystic spinal cord degeneration found in these cases represents a previously undescribed cause of late deterioration after spinal cord injury that may mimic the clinical, CT-myelographic, and magnetic resonance features of posttraumatic syringomyelia.


1992 ◽  
Vol 40 (4) ◽  
pp. 1532-1535
Author(s):  
Katsuhide Kawagoe ◽  
Takashi Sakou ◽  
Masataka Hashiguchi ◽  
Masahiro Nakagawa ◽  
Norio Morimoto ◽  
...  

2020 ◽  
Vol 54 (2) ◽  
Author(s):  
Ronna Cheska V. De Leon ◽  
Camille Ariadne C. Tanchanco ◽  
Ma. Angelina L. Mirasol ◽  
Joven Jeremius Q. Tanchuco

Myeloid sarcoma, characterized by the presence of immature myeloid cells occurring at an extramedullary site, is a rare manifestation of acute myelogenous leukemia (AML). Spinal cord compression as an initial presentation of AML is very rare with only a few reported cases. We discuss a case of a 22-year-old male who presented with bicytopenia and paraplegia. Workups were consistent with AML with monocytic differentiation. Chromosomal analysis revealed loss of Y and t (8;21). Spinal cord MRI showed intradural extramedullary-enhancing soft tissue lesions at levels T2 to T7 and L5 to S1, suspected to be myeloid sarcoma. Patient, however, succumbed to severe nosocomial infection prior to initiation of chemotherapy and radiotherapy.


2018 ◽  
Vol 29 (2) ◽  
pp. 144-149 ◽  
Author(s):  
Jonathan A. Forbes ◽  
Nathan Teschan ◽  
Samuel Hayden Jones ◽  
Phillip Parry ◽  
Luke Simonet ◽  
...  

There is limited evidence to suggest that anterior approaches for the resection of ventral intramedullary lesions of the cervical spinal cord may result in superior neurological outcomes compared with those following more traditional posterior approaches. To the authors’ knowledge, no report of an anterior approach to resect a ventral intramedullary capillary hemangioma exists in the literature. In the following paper, the case of a 75-year-old male who presented with progressive neck and left shoulder pain, weakness of the left hand, myelopathy, and gait imbalance is reported. Postcontrast T1-weighted MRI demonstrated a homogeneously enhancing intramedullary lesion with associated severe impingement of the cervical spinal cord at C-4. Following a C-4 corpectomy, intradural exposure revealed a vascular lesion that circumferentially enveloped the anterior spinal artery. Gross-total resection of the lesion was performed, followed by reconstruction of the corpectomy defect, without neurological deterioration. Pathology was consistent with capillary hemangioma. In this instance, the anterior approach helped to avoid unnecessary neural manipulation and allowed for early identification of normal proximal and distal segments of the anterior spinal artery, which facilitated safe dissection and gross-total removal.


Neurosurgery ◽  
2009 ◽  
Vol 65 (1) ◽  
pp. E216-E217 ◽  
Author(s):  
Ashwin Sridharan ◽  
Carl B. Heilman

Abstract OBJECTIVE We present a case of syringomyelia attributed to a transverse thoracic arachnoid web at T4. The cerebrospinal fluid pressure caudal to the web was higher than the cerebrospinal fluid pressure rostral to the web, causing a syrinx in the thoracic and cervical spinal cord above the web. CLINICAL PRESENTATION A 43-year-old man presented with numbness and a burning pain in his left upper back and extremities. Magnetic resonance imaging showed a cervical-thoracic syrinx that terminated relatively abruptly at T4. Because of the abrupt termination of the syrinx at T4 and the slight ventral displacement of the spinal cord at this level, a dorsal arachnoid web was suspected. INTERVENTION A T4 laminectomy was performed. Intraoperative ultrasound before opening of the thecal sac showed a pulsating transverse dorsal arachnoid web. The dura was opened and the web resected, thus widely communicating the dorsal subarachnoid space. The syrinx dramatically decreased in size and the patient's pain improved but did not resolve completely. CONCLUSION In patients with presumed idiopathic syringomyelia, imaging studies should be closely inspected for the presence of a transverse arachnoid web. Surgical resection of a transverse thoracic arachnoid web with syringomyelia can result in resolution of the syringomyelia and improvement in neurological function. Syrinx formation in patients with these webs may occur in the area of the spinal cord where there is lower cerebrospinal fluid pressure, which may be either rostral or caudal to the arachnoid web. We evaluate this hypothesis by comparing our case with other published cases.


Spine ◽  
2010 ◽  
Vol 35 (8) ◽  
pp. E303-E307 ◽  
Author(s):  
Chang-Hyun Lee ◽  
Kyung Yun Moon ◽  
Chun Kee Chung ◽  
Hyun-Jib Kim ◽  
Kee-Hyun Chang ◽  
...  

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Yoichiro Takata ◽  
Toshinori Sakai ◽  
Kosaku Higashino ◽  
Yuichiro Goda ◽  
Fumitake Tezuka ◽  
...  

Capillary hemangiomas are benign tumors found in the skin and soft tissues in younger people. They occur in the central nervous system only rarely, and intradural occurrence is extremely rare. We report here a 60-year-old man presenting with thoracic girdle pain and progressive gait disturbance. Magnetic resonance images of the thoracic spine showed a12×8×20 mm, well-defined intradural mass at the T2 level, compressing the spinal cord laterally. Relative to the spinal cord, the mass was hypo- to isointense on T1-weighted images and relatively hyperintense on T2-weighted images, with strong enhancement on contrast-enhanced T1-weighted images. The patient underwent T1-2 hemilaminectomy with resection of the intradural extramedullary tumor, which showed characteristics of a capillary hemangioma on histologic examination. The patient’s symptoms improved following the surgery and no clinical or radiological evidence of recurrence was noted at the 2-year follow-up. We present this case with a review of the literature, highlighting features for differential diagnosis.


1973 ◽  
Vol 38 (2) ◽  
pp. 257-260 ◽  
Author(s):  
Roderick Smith

✓ Powdered tantalum introduced into the subarachnoid space at C-2 clearly outlines the anterior aspect of the cord and dentate ligaments. Accurate electrode placement for percutaneous intramedullary cordotomy is made easier by the presence of a radiopaque target.


Author(s):  
Ketan Hedaoo ◽  
Sunil Garg ◽  
Sharad Thanvi ◽  
Ashuvi Kunjan Agay ◽  
Vallabh Nagocha ◽  
...  

Neurocysticercosis, is the most common central nervous system parasitic infestation worldwide, but spinal involvement by neurocysticercosis is relatively rare. Here we report a case of 18-year-old male patient with intramedullary cysticercosis caused by Tenia soleum in cervical spinal cord. MRI revealed expansile illdefined intramedullary mass at C4 and C5 vertebral level which believed to be a tumor instead, rather than a cysticercosis preoperatively. surgery was performed to decompress the spinal cord. Histopathological examination of removed lesion confirmed it as cysticercosis.


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