Thallium-201 single-photon emission computed tomography in the detection of retroperitoneal schwannoma

Despite recent research on the therapeutic strategies against RS, surgical resection appears the only potentially curative approach. Unfortunately, a mere minority of patients is eligible to undergo surgical intervention. In addition, surgical removal of RS does not necessarily guarantee patient's long-term survival. Laparoscopic approach and enucleation of the tumor have been suggested as well. Alternative therapies, such as radio- and chemotherapy often proved insufficient. The aim of this review was to evaluate the results of surgical treatment for RS with special reference to the extent of its histological spread and to analyze the recent literature in order to provide an update on the current concepts of therapeutic management of this entity.

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Retroperitoneal Schwannomas: Dilemmas in Diagnostic Approach and Therapeutic Management

Mastoraki

Toska

Tsiverdis

et al. 2013

J Gastrointest Canc

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Detection of Perineural Tumor Invasion of the Head and Neck

Nakahara

Suzuki²,

Kunieda³

et al. 2008

Clinical Nuclear Medicine

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A patient with adenoid cystic carcinoma of the skull base was treated with radiotherapy because of perineural tumor invasion (PTI). Treatment evaluation using magnetic resonance (MR) imaging showed disease progression of PTI outside the irradiated area, whereas it was difficult to evaluate the therapeutic effect of radiotherapy because the irradiated lesions still had contrast enhancement. Thallium-201 SPECT/CT image fusion was performed to evaluate tumor extent and viability after therapy. During the follow-up period, disease progression was noted in the areas of abnormal uptake on the thallium-201 SPECT/CT fusion images, but the lesions with no uptake remained unchanged on follow-up MR imaging. Thallium-201 SPECT/CT image fusion can be used for precise localization of viable PTI in head and neck cancer patients who had been previously treated.

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Thallium-201 single-photon emission computed tomography in the detection of retroperitoneal schwannoma

Cited by 2 publications

References 5 publications

Retroperitoneal Schwannomas: Dilemmas in Diagnostic Approach and Therapeutic Management

Retroperitoneal Schwannomas: Dilemmas in Diagnostic Approach and Therapeutic Management

Detection of Perineural Tumor Invasion of the Head and Neck

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