| Macewen, Sir William | <person> Scottish surgeon, 1848-1924. See: Macewen's sign, Macewen's symptom, Macewen's triangle. (05 Mar 2000) |
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| Macewen's sign | <clinical sign> Percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym: Macewen's symptom. (05 Mar 2000) |
| Macewen's symptom | <clinical sign> Percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym: Macewen's symptom. (05 Mar 2000) |
| Macewen's triangle | A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and an imaginary line connecting the extremities of the first two lines; used as a guide in mastoid operations. Synonym: Macewen's triangle. (05 Mar 2000) |
| Macewen's s. |
on percussion of the skull behind the junction of the frontal, temporal, and parietal bones, there is a more resonant note than normal in internal hydrocephalus and cerebral abscess. Called also cracked-pot sound and cranial cracked-pot sound.
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