Metastases in Meckel's Cave : A Challenge of Differential Diagnosis = Metastasen im Cavum Meckeli. Eine differentialdiagnostische Herausforderung

Theuer, Susanne ; Krayenbühl, Niklaus ; Scheffel, Hans ; Yonekawa, Yasuhiro ; Kollias, Spyros

In: Clinical Neuroradiology, 2007, vol. 17, no. 1, p. 41-47

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    Metastases in Meckel's cave are a rare tumor entity and should be considered as important differential diagnosis, especially if the patient presents with trigeminal neuralgia and suffers from a known primary malignancy. We present three cases of patients with secondary trigeminal neuralgia caused by a metastasis in Meckel's cave, treated by microsurgery and fractionated radiation therapy. Differential diagnoses are discussed on the basis of preoperative neuroradiological imaging. MRI is the preferred diagnostic modality, whereas complementary CT may be needed for evaluation of early bone invasion