con el diagnóstico histopatológico de cordoma de la base del cráneo .. magnética cerebral, corte sagital, secuencia T1, cordoma del clivus. Resección endoscópica de cordoma del clivus. Descripción de un chordoma; clivus; endoscopic resection; malignant tumor. RESUMEN. Download Citation on ResearchGate | On Dec 19, , Ines Gamboa and others published Resección endoscópica de cordoma del clivus. Descripción de un.

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They are commonly found in Caucasians 3. Yeon Soo ChooM. Also, proton-beam irradiation is reported to be efficacious for the treatment of chordomas Delayed CT of L-2, L-3, and L-4 at 6, 12, and 24 hours postmyelography demonstrated two abnormalities: Adjuvant radiosurgery after surgical excision seems to be effective for the treatment of intradural extraosseous chordomas.

In other projects Wikimedia Commons. The MR images showed a low-intensity mass.

MRI and CT scan have complementary roles in tumor evaluation. The differential diagnosis for bone tumours is dependent on the age of the patient, with a very different set of differentials for the pediatric patient. We report a case of a lumbar extraosseous extradural tumor with histological features of classic chordoma. Related Radiopaedia articles Bone tumours The differential diagnosis for bone tumours is dependent on the age cogdoma the patient, with a very different set of differentials for the pediatric patient.

Pathology of Tumor of the Nervous System.

Intradural Retroclival Chordoma

The MR appearance of our patient’s tumor was dissimilar to that of true vertebral chordomas because of its extraosseous location. However, stereotactic radiosurgery is valuable as an adjuvant or primary treatment for selected patients with chordoma and has potential advantages over standard fractionated irradiation, although the length of follow-up review has been insufficient 7.


Find articles by Sang Wook Joo. SpineCentral Nervous CelMusculoskeletal.

Chordoma | Radiology Reference Article |

MRI of extensive clival chordoma in year-old male patient, axial view. Surgical experience and review of the literature.

Rest of operation was uneventful. The tumor in our patient lent itself to complete surgical removal.

Histological, immunocytochemical, and ultrastructural studies confirmed the diagnosis of chordoma Figs. MRI provides excellent anatomical delineation of adjacent structures and is able to characterize the signal of the lesion usually allowing for a confident preoperative diagnosis.

Extraosseous spinal chordoma

Stereotactic radiosurgery for chordoma and chondrosarcoma: The lumbar fusion was considered sound. Cerebrospinal fluid clibus secondary to ecchordosis physaliphora. These tumours are often poorly marginated and microscopic distal extension of tumor cells likely explains the frequency of recurrences.

Krayenbuhl H, Yasagil MG.

Extraosseous spinal chordoma in: Journal of Neurosurgery Volume 75 Issue 6 Year

Intradural retroclival chordoma without bone involvement: In this location, a male predilection has been reported M: The interest of this case lies not only in the nature and location of the incidentally discovered tumor but also in its radiological presentation as an asymptomatic lesion at one lumbar level associated with a symptomatic disc extrusion at another lumbar level. In the first consensus guidelines for the diagnosis and treatment of chordoma were published in the Lancet Oncology.

Atlas of Cranial Base Surgery. Axial contrast enhanced brain CT image. Tumors of Bones and Joints: Additionally, it represents an example of intraspinal extraosseous chordoma, a lesion not previously described. Both of these factors raised the possibility of tumor recurrence and seeding. This herniation was not evident on the magnetic resonance imaging despite axial sections through this interspace.

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Histologically, they are identical to notochordal tissue. Classic chordomas in bone frequently have ill-defined margins, and complete resection is usually not feasible even with extensive surgery because a few tumor cells are often left behind in the bone or dura. Extent of tumour crodoma contrast enhancement: The role of radiosurgery in the management of chordoma and chondrosarcoma of the cranial base.

We describe the rare case of a patient with intradural chordoma located in retroclival and cerebellopontine angle region, which was near totally resected via retromastoid suboccipital approach, followed by adjuvant gamma-knife radiosurgery for remnant tumor. The radiological appearance of our tumor was not diagnosed either on plain radiography, CT, or MR imaging.

Osseous and chondromatous neoplasia Dermal and subcutaneous growths. Cordomw chordomas are extremely rare and, although they resemble classic chordomas in terms of both their notochordal origin and microscopic features, they are clinicopathologically distinct. Postoperative MR imaging indicated residual tumor in right cerebellopontine area Fig.

Fluid and gelatinous mucoid substance associated with recent and old hemorrhage and necrotic areas are found within these tumours. Note the interdigitation and desmosomal junctions.

The tumor appeared as a low-intensity area on the T1-weighted image and as a high-intensity area on the T2-weighted image. Biannual MR imaging will be performed to identify tumor recurrence should it occur. C2 vertebral body Case 4: MRI of intracranial chordomas.