Mycosis Fungoides of the Mastoid, Middle Ear, and CNS

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Abstract
• Facial nerve paralysis developed in a man with tumor-stage mycosis fungoides (MF). Mastoidectomy disclosed that MF had involved the mastoid and middle ear. Meningeal lymphoma, confirmed by the finding of Sézary cells in the CSF, was subsequently established. Autopsy disclosed MF lymphoma in the leptomeninges, medulla, spinal cord, and cranial nerves. A unique feature was the formation of a communicating hydrocephalus. Case reports of 23 patients with MF of the CNS, including 21 autopsies, are reviewed. Practically all had tumor-stage or erythrodermic MF. Atypical mononuclear cells were found ante mortem in the CSF in eight patients. In contrast to other CNS lymphomas, bone marrow involvement was uncommon. Cranial, especially facial, nerve paralyses were often premonitory signs of meningeal lymphomas. Patients with MF having such symptoms should have cytologic examination of the CSF. (Arch Dermatol 1983;119:311-318)

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