| 释义 |
Definition of leptomeninges in English: leptomeningesplural nounˌlɛptəʊmɪˈnɪndʒiːzˌleptōməˈninjēz Anatomy The inner two meninges, the arachnoid and the pia mater, between which circulates the cerebrospinal fluid. 〔剖〕软脑（脊）膜 Example sentencesExamples - Primary malignant melanoma most commonly originates from the skin; other less common sites include the mucous membranes, uvea, retina, and leptomeninges.
- Arachnoid and pia are also called leptomeninges (thin membranes).
- The most common intracranial sites of prostate cancer metastasis are the leptomeninges, cerebrum, and cerebellum.
- Lesions in the cerebral hemispheres and brainstem included perivascular lymphocytes in leptomeninges and parenchyma, with scattered microglial nodules in gray and white matter.
- The brain weighed 1620 g, and macroscopic examination revealed congested leptomeninges covering the cerebral hemispheres.
Derivativesadjective Anatomy Gadolinium enhancement is useful for detecting dural or leptomeningeal involvement at the skull base. Example sentencesExamples - Dural, leptomeningeal, or ependymal enhancement are typical findings, none of which were present in this patient.
- Therefore, an MRI of the brain was performed, which demonstrated a small mass lesion in the left medial temporal lobe and suspicious leptomeningeal enhancement over both parietal regions.
- Tumor infiltration of leptomeningeal veins, cranial nerves, and spinal roots was also noted.
- Melanin pigment, associated with melanocytes, is more typically leptomeningeal based, particularly in the ventral medulla and cervical spinal cord regions.
Definition of leptomeninges in US English: leptomeningesplural nounˌleptōməˈninjēz Anatomy The inner two meninges, the arachnoid and the pia mater, between which circulates the cerebrospinal fluid. 〔剖〕软脑（脊）膜 Example sentencesExamples - The most common intracranial sites of prostate cancer metastasis are the leptomeninges, cerebrum, and cerebellum.
- Arachnoid and pia are also called leptomeninges (thin membranes).
- The brain weighed 1620 g, and macroscopic examination revealed congested leptomeninges covering the cerebral hemispheres.
- Primary malignant melanoma most commonly originates from the skin; other less common sites include the mucous membranes, uvea, retina, and leptomeninges.
- Lesions in the cerebral hemispheres and brainstem included perivascular lymphocytes in leptomeninges and parenchyma, with scattered microglial nodules in gray and white matter.
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