Macewen's sign: Difference between revisions
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{{Infobox medical condition | |||
| name = Macewen's sign | |||
| synonyms = | |||
| pronunciation = | |||
| specialty = [[Neurology]], [[Pediatrics]] | |||
| symptoms = Resonant sound upon percussion of the skull | |||
| causes = [[Hydrocephalus]], [[Brain abscess]] | |||
| risks = | |||
| diagnosis = Clinical examination | |||
| differential = | |||
| treatment = Treatment of underlying condition | |||
| prognosis = Depends on underlying cause | |||
| frequency = Rare | |||
}} | |||
'''Macewen's sign''' is a clinical sign which indicates the presence of [[hydrocephalus]], [[brain abscess]] or [[meningitis]]. It is named after Sir William Macewen, a Scottish surgeon. | '''Macewen's sign''' is a clinical sign which indicates the presence of [[hydrocephalus]], [[brain abscess]] or [[meningitis]]. It is named after Sir William Macewen, a Scottish surgeon. | ||
==Definition== | ==Definition== | ||
Macewen's sign is a clinical sign in which there is a peculiar hollow sound on percussion over a [[skull]] affected by hydrocephalus, brain abscess or meningitis. This is due to the thinning of the skull bone in these conditions. | Macewen's sign is a clinical sign in which there is a peculiar hollow sound on percussion over a [[skull]] affected by hydrocephalus, brain abscess or meningitis. This is due to the thinning of the skull bone in these conditions. | ||
==Clinical significance== | ==Clinical significance== | ||
Macewen's sign is used in the diagnosis of hydrocephalus, brain abscess and meningitis. It is a valuable tool in the early detection of these conditions, especially in children. The sign is not specific and can be found in other conditions such as [[chronic subdural hematoma]]. | Macewen's sign is used in the diagnosis of hydrocephalus, brain abscess and meningitis. It is a valuable tool in the early detection of these conditions, especially in children. The sign is not specific and can be found in other conditions such as [[chronic subdural hematoma]]. | ||
==History== | ==History== | ||
The sign is named after Sir William Macewen, a Scottish surgeon who described it in the late 19th century. Macewen was a pioneer in neurosurgery and his work on the brain and spinal cord has had a lasting impact on the field of neurology. | The sign is named after Sir William Macewen, a Scottish surgeon who described it in the late 19th century. Macewen was a pioneer in neurosurgery and his work on the brain and spinal cord has had a lasting impact on the field of neurology. | ||
==See also== | ==See also== | ||
* [[Hydrocephalus]] | * [[Hydrocephalus]] | ||
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* [[Meningitis]] | * [[Meningitis]] | ||
* [[Chronic subdural hematoma]] | * [[Chronic subdural hematoma]] | ||
[[Category:Medical signs]] | [[Category:Medical signs]] | ||
[[Category:Neurology]] | [[Category:Neurology]] | ||
[[Category:Pediatrics]] | [[Category:Pediatrics]] | ||
{{stub}} | {{stub}} | ||
{{No image}} | {{No image}} | ||
Latest revision as of 04:17, 4 April 2025
| Macewen's sign | |
|---|---|
| Synonyms | |
| Pronounce | N/A |
| Specialty | Neurology, Pediatrics |
| Symptoms | Resonant sound upon percussion of the skull |
| Complications | N/A |
| Onset | N/A |
| Duration | N/A |
| Types | N/A |
| Causes | Hydrocephalus, Brain abscess |
| Risks | |
| Diagnosis | Clinical examination |
| Differential diagnosis | |
| Prevention | N/A |
| Treatment | Treatment of underlying condition |
| Medication | N/A |
| Prognosis | Depends on underlying cause |
| Frequency | Rare |
| Deaths | N/A |
Macewen's sign is a clinical sign which indicates the presence of hydrocephalus, brain abscess or meningitis. It is named after Sir William Macewen, a Scottish surgeon.
Definition[edit]
Macewen's sign is a clinical sign in which there is a peculiar hollow sound on percussion over a skull affected by hydrocephalus, brain abscess or meningitis. This is due to the thinning of the skull bone in these conditions.
Clinical significance[edit]
Macewen's sign is used in the diagnosis of hydrocephalus, brain abscess and meningitis. It is a valuable tool in the early detection of these conditions, especially in children. The sign is not specific and can be found in other conditions such as chronic subdural hematoma.
History[edit]
The sign is named after Sir William Macewen, a Scottish surgeon who described it in the late 19th century. Macewen was a pioneer in neurosurgery and his work on the brain and spinal cord has had a lasting impact on the field of neurology.
