Pachymeningeal enhancement - Revision history

Aidan: /* Differential Diagnosis */

2021-11-02T13:35:35Z

Differential Diagnosis

← Older revision		Revision as of 13:35, 2 November 2021
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	* Refers to MRI enhancement of the dura and outer layer of arachnoid following contrast enhancement		* Refers to MRI enhancement of the dura and outer layer of arachnoid following contrast enhancement
	*Also known as dura-arachnoid enhancement		*Also known as dura-arachnoid enhancement
			*A small amount of enhancement is found in 50% of normal people

	== Differential Diagnosis ==		== Differential Diagnosis ==

		⚫	* [[Intracranial hypotension]], which typically demonstrates diffuse, smooth, wave-like pattern of enhancement in the temporal and frontal base
	* [[Meningitis]], including [[Bacterial meningitis\|bacterial]], [[Viral meningitis\|viral]], [[Fungal meningitis\|fungal]], and [[Tuberculous meningitis\|tuberculous]], though they are more likely to present with [[leptomeningeal enhancement]]		*[[Meningitis]], including [[Bacterial meningitis\|bacterial]], [[Viral meningitis\|viral]], [[Fungal meningitis\|fungal]], and [[Tuberculous meningitis\|tuberculous]], though they are more likely to present with [[leptomeningeal enhancement]]
	* Intracranial neoplasms		* Intracranial neoplasms
	** Extra-axial: [[meningioma]] and calvarial lesions, which typically show focal pachymeningeal enhancement		** Extra-axial: [[meningioma]] and calvarial lesions, which typically show focal pachymeningeal enhancement
	** Intra-axial: primary CNS malignancy amd metastases, which show varied pachymeningeal and [[leptomeningeal enhancement]]		** Intra-axial: primary CNS malignancy amd metastases, which show varied pachymeningeal and [[leptomeningeal enhancement]]
⚫	* [[Intracranial hypotension]]: typically demonstrates diffuse, smooth, wave-like pattern of enhancement in the temporal and frontal base
	* Post-procedural or post-operative changes, particularly following craniotomy, intrathecal infusions, shunt placement, or [[lumbar puncture]], which typically shows diffuse, smooth, enhancement, sometimes limited to the side of the procedure		* Post-procedural or post-operative changes, particularly following craniotomy, intrathecal infusions, shunt placement, or [[lumbar puncture]], which typically shows diffuse, smooth, enhancement, sometimes limited to the side of the procedure
	* [[Idiopathic pachymeningitis]]		* [[Idiopathic pachymeningitis]]

Aidan at 13:34, 2 November 2021

2021-11-02T13:34:21Z

← Older revision		Revision as of 13:34, 2 November 2021
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	== Background ==		== Background ==

	* MRI finding suggestive of [[meningitis]]
⚫	* Also known as dura-arachnoid enhancement
	* Refers to MRI enhancement of the dura and outer layer of arachnoid following contrast enhancement		* Refers to MRI enhancement of the dura and outer layer of arachnoid following contrast enhancement
		⚫	*Also known as dura-arachnoid enhancement

	== Differential Diagnosis ==		== Differential Diagnosis ==

Aidan: Created page with "== Background == * MRI finding suggestive of meningitis * Also known as dura-arachnoid enhancement * Refers to MRI enhancement of the dura and outer layer of arachnoid fo..."

2021-11-02T13:34:04Z

Created page with "== Background == * MRI finding suggestive of meningitis * Also known as dura-arachnoid enhancement * Refers to MRI enhancement of the dura and outer layer of arachnoid fo..."

New page

== Background ==

* MRI finding suggestive of [[meningitis]]
* Also known as dura-arachnoid enhancement
* Refers to MRI enhancement of the dura and outer layer of arachnoid following contrast enhancement

== Differential Diagnosis ==

* [[Meningitis]], including [[Bacterial meningitis|bacterial]], [[Viral meningitis|viral]], [[Fungal meningitis|fungal]], and [[Tuberculous meningitis|tuberculous]], though they are more likely to present with [[leptomeningeal enhancement]]
* Intracranial neoplasms
** Extra-axial: [[meningioma]] and calvarial lesions, which typically show focal pachymeningeal enhancement
** Intra-axial: primary CNS malignancy amd metastases, which show varied pachymeningeal and [[leptomeningeal enhancement]]
* [[Intracranial hypotension]]: typically demonstrates diffuse, smooth, wave-like pattern of enhancement in the temporal and frontal base
* Post-procedural or post-operative changes, particularly following craniotomy, intrathecal infusions, shunt placement, or [[lumbar puncture]], which typically shows diffuse, smooth, enhancement, sometimes limited to the side of the procedure
* [[Idiopathic pachymeningitis]]
* [[Cerebral venous thrombosis]]
* [[Neurosarcoidosis]]
* [[Vogt-Koyanagi-Harada syndrome]]
* Extramedullary hematopoiesis
* [[Rheumatoid arthritis]]
* [[Granulomatosis with polyangiitis]]

== Further Reading ==

* Pachymeningeal enhancement-a comprehensive review of literature. ''Neurosurg Rev''. 2015;38(4):649-59. doi: [https://doi.org/10.1007/s10143-015-0646-y 10.1007/s10143-015-0646-y]