Is there a role for conventional MRI and MR diffusion-weighted imaging for distinction of skull base chordoma and chondrosarcoma?

Müller, Uta; Ra, Kubik-Huch; Ares, Carmen; Hug, Eugen B.; Löw, Roland; Valavanis, A; Ahlhelm, F.

doi:10.1177/0284185115574156

Cited by 46 publications

(36 citation statements)

References 32 publications

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“…2 DWI could potentially be used to distinguish chordoma from chondrosarcoma because the ADC values for chordoma are lower than those for chondrosarcoma. 3,4 Moreover, the ADC values are lower in aggressive chordomas than in classic chordomas, suggesting that ADC may be useful for classifying chordomas into subcategories according to aggressiveness. 4 Hanna et al 5 suggested that a low T2 component in chordoma represented aggressive chordoma.…”

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confidence: 99%

Role of the Apparent Diffusion Coefficient as a Predictor of Tumor Progression in Patients with Chordoma

Sasaki

Moritani

Belay³

et al. 2018

AJNR Am J Neuroradiol

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confidence: 99%

Role of the Apparent Diffusion Coefficient as a Predictor of Tumor Progression in Patients with Chordoma

Sasaki

Moritani

Belay³

et al. 2018

AJNR Am J Neuroradiol

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“…The tumor borders are clear, and intratumoral calcification is a no-signal area. After the enhanced scan, the tumor was mildly heterogeneous and the calcified area was not enhanced [14]. However, ChSa is not easy to distinguish from chordoma in imaging [15].…”

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confidence: 99%

Endoscopic surgical treatment with nasal cavity approach for chondrosarcoma of paranasal sinus and the skull base

Gao

Zhu

et al. 2019

Preprint

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Background Chondrosarcoma(ChSa) is a rare malignant tumor. But it’s necessary to discuss the clinical characteristics and treatments for ChSa of paranasal sinus and the skull base. Methods The clinical characteristics of ChSa of paranasal sinus and skull base in 10 patients (6 males and 4 females) from 2001 to 2017 were analyzed. They all underwent by endoscopic surgery . The patients’ age ranged from 18 to 47 years, with a median of 35 years. Clinical symptoms: stuffy, nose bleeding, runny, headache, diplopia, eye outreach limited, blurred vision and even blindness. Surgery methods：under nasal endoscopy, after the attachment sites of the tumors to normal tissues were confirmed, the tumors were peeled off along the clear boundary between the tumors and normal tissues, and the potential residual tumor tissues on bones were cleared by a drill. Results All patients were treated with endoscopic surgery，followed up postoperatively for 24 to 108 months, with a median of 36 months. 8 of 10 patients were no recurrence,2 were alive with tumor. Conclusion ChSa of paranasal sinus and skull base can be treated by nasal endoscopic surgery with good clinical results.

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“…The tumor borders are clear, and intratumoral calci cation is a no-signal area. After the enhanced scan, the tumor was mildly heterogeneous and the calci ed area was not enhanced [14]. However, ChSa is not easy to distinguish from chordoma in imaging [15].…”

Section: Discussionmentioning

confidence: 99%

Endoscopic surgical treatment with nasal cavity approach for chondrosarcoma of paranasal sinus and the skull base

Gao

Zhu

et al. 2020

Preprint

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Background Chondrosarcoma(ChSa) is a rare malignant tumor. But it’s necessary to discuss the clinical characteristics and treatments for ChSa of paranasal sinus and the skull base.We aimed to Observe the effect of Endoscopic surgical treatment with nasal cavity approach for chondrosarcoma of paranasal sinus and the skull base Methods The clinical characteristics of chondrosarcoma of paranasal sinus and skull base in 10 patients (6 males and 4 females) from 2001 to 2017 were analyzed. They all underwent by endoscopic surgery. The patients’ age ranged from 18 to 47 years, with a median of 35 years. Clinical symptoms: stuffy, nose bleeding, runny, headache, diplopia, eye outreach limited, blurred vision and even blindness. Surgery methods：under nasal endoscopy, after the attachment sites of the tumors to normal tissues were confirmed, the tumors were peeled off along the clear boundary between the tumors and normal tissues, and the potential residual tumor tissues on bones were cleared by a drill. If internal carotid artery (ICA) were involved, flap would be used to protect it. Objectives Results All patients were treated with endoscopic surgery，followed up postoperatively for 24 to 108 months, with a median of 36 months. 8 of 10 patients were no recurrence,2 were alive with tumor. Conclusion Chondrosarcoma of paranasal sinus and skull base can be treated by nasal endoscopic surgery with good clinical results.

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Is there a role for conventional MRI and MR diffusion-weighted imaging for distinction of skull base chordoma and chondrosarcoma?

Abstract: An off-midline growth pattern can differentiate chondrosarcoma from chordoma on cMRI in a majority of patients. Additional DWI is a promising tool for the differentiation of these skull base tumors.

Cited by 46 publications

References 32 publications

Role of the Apparent Diffusion Coefficient as a Predictor of Tumor Progression in Patients with Chordoma

Role of the Apparent Diffusion Coefficient as a Predictor of Tumor Progression in Patients with Chordoma

Endoscopic surgical treatment with nasal cavity approach for chondrosarcoma of paranasal sinus and the skull base

Endoscopic surgical treatment with nasal cavity approach for chondrosarcoma of paranasal sinus and the skull base

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