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Metastases in Meckel's Cave

A Challenge of Differential Diagnosis

Metastasen im Cavum Meckeli. Eine differentialdiagnostische Herausforderung

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Abstract

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.

Zusammenfassung

Das Cavum Meckeli ist ein seltener Manifestationsort tumoraler Metastasen. Bei Patienten mit bekannter maligner Tumorerkrankung, die unter einer Trigeminusneuralgie leiden, sollte jedoch die Metastasierung des Cavum Meckeli in differentialdiagnostische Betrachtungen einbezogen werden. Wir präsentieren drei Fälle mit sekundärer Trigeminusneuralgie infolge Metastasierung des Cavum Meckeli. Alle drei Patienten wurden mittels Mikroneurochirurgie und fraktionierter Radiotherapie behandelt. Die Magnetresonanztomographie ist die Methode der Wahl in der Evaluation neuroradiologischer Differentialdiagnosen. Die Computertomographie ist sehr hilfreich zur Beurteilung knöcherner Arrosionen.

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Correspondence to Hans Scheffel MD.

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Theuer, .E., Krayenbühl, N., Scheffel, H. et al. Metastases in Meckel's Cave. Clin Neuroradiol 17, 41–47 (2007). https://doi.org/10.1007/s00062-007-7004-6

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  • DOI: https://doi.org/10.1007/s00062-007-7004-6

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