Anterior interosseous neuropathy - Revision history

Rossdonaldson1: /* Background */

2021-11-03T18:13:50Z

Background

← Older revision		Revision as of 18:13, 3 November 2021
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	==Background==		==Background==
	[[File:Nerves of the left upper extremity.gif\|thumb\|Nerves of the left upper extremity with anterior interosseous (volar interosseus) labeled at center right.]]		[[File:Nerves of the left upper extremity.gif\|thumb\|Nerves of the left upper extremity with anterior interosseous (volar interosseus) labeled at center right.]]
	*Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles		*Anterior interosseous nerve (C5-T1), also known as the volar interosseous nerve, is a branch of the median nerve that supplies motor innervation to the deep forearm muscles
	*Compression or injury can cause an isolated AIN palsy		*Compression or injury can cause an isolated AIN palsy
	*[[Brachial plexopathy]] or cervical spine pathologies may present with combined median nerve palsies		*[[Brachial plexopathy]] or cervical spine pathologies may present with combined median nerve palsies

Rossdonaldson1: /* Background */

2021-11-03T18:12:49Z

Background

← Older revision		Revision as of 18:12, 3 November 2021
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	==Background==		==Background==
			[[File:Nerves of the left upper extremity.gif\|thumb\|Nerves of the left upper extremity with anterior interosseous (volar interosseus) labeled at center right.]]
	*Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles		*Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles
	*Compression or injury can cause an isolated AIN palsy		*Compression or injury can cause an isolated AIN palsy

ClaireLewis at 01:04, 22 October 2020

2020-10-22T01:04:25Z

← Older revision		Revision as of 01:04, 22 October 2020
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	==References==		==References==
	<references/>		<references/>
			[[Category:Neurology]]

Rossdonaldson1 at 18:15, 5 August 2020

2020-08-05T18:15:09Z

← Older revision		Revision as of 18:15, 5 August 2020
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	==Clinical Features==		==Clinical Features==
	*May have forearm pain although not as common in other median nerve compression syndromes		*May have forearm pain although not as common in other median nerve compression syndromes<ref>Dang AC et al. Unusual Compression Neuropathies of the Forearm, Part 2: Median Nerve. JHS. 2009;34A:1915-1920.</ref>
	*Weakness of finger flexion (FDL), thumb flexion (FPL), and pronation (pronator quadratus)		*Weakness of finger flexion (FDL), thumb flexion (FPL), and pronation (pronator quadratus)
	*Inability to hold a piece of paper between index and thumb fingertips (can't make "OK" sign)		*Inability to hold a piece of paper between index and thumb fingertips (can't make "OK" sign)
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	==References==		==References==
	<references/>		<references/>

	~~# Dang AC et al. Unusual Compression Neuropathies of the Forearm, Part 2: Median Nerve. JHS. 2009;34A:1915-1920.~~

Rossdonaldson1: /* See Also */

2020-08-05T18:14:04Z

Rossdonaldson1: /* Evaluation */

2020-08-05T18:13:42Z

Evaluation

← Older revision		Revision as of 18:13, 5 August 2020
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	*Clinical diagnosis		*Clinical diagnosis
	*Plain films		*Plain films
	*Outpatient [[EMG]] or [[MRI]]		*Outpatient EMG or [[MRI]]

	==Management==		==Management==

Rossdonaldson1: /* Causes */

2020-08-05T18:12:01Z

Causes

← Older revision		Revision as of 18:12, 5 August 2020
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	===Causes===		===Causes===
	*Peripheral neuropathy		*[[Peripheral neuropathy]]
	**Entrapment between forearm muscles or tendons		**Entrapment between forearm muscles or tendons
	**FPL tendon rupture (usually with severe rheumatic disease)		**FPL tendon rupture (usually with severe rheumatic disease)

Rossdonaldson1 at 18:11, 5 August 2020

2020-08-05T18:11:43Z

← Older revision		Revision as of 18:11, 5 August 2020
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	*[[Brachial plexopathy]] or cervical spine pathologies may present with combined median nerve palsies		*[[Brachial plexopathy]] or cervical spine pathologies may present with combined median nerve palsies

	==~~Clinical Features~~==		===Causes===
	*May have forearm pain although not as common in other median nerve compression syndromes
	*Weakness of finger flexion (FDL), thumb flexion (FPL), and pronation (pronator quadratus)
	*Inability to hold a piece of paper between index and thumb fingertips (can't make "OK" sign)
	*No sensory loss

	~~==Differential Diagnosis~~==
	*Peripheral neuropathy		*Peripheral neuropathy
	**Entrapment between forearm muscles or tendons		**Entrapment between forearm muscles or tendons
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	*Iatrogenic		*Iatrogenic

	===~~Upper extremity [[peripheral~~ nerve syndromes~~]]===~~		==Clinical Features==
	~~====Median Nerve Syndromes====~~		*May have forearm pain although not as common in other median nerve compression syndromes
	*~~[[Median Mononeuropathy~~ (~~Carpal Tunnel Syndrome~~)~~\|Carpal tunnel syndrome]]~~		*Weakness of finger flexion (FDL), thumb flexion (FPL), and pronation (pronator quadratus)
	*[[Pronator teres syndrome]]		*Inability to hold a piece of paper between index and thumb fingertips (can't make "OK" sign)
	*[[Anterior interosseous neuropathy]]		*No sensory loss

	~~====Ulnar Nerve Syndromes====~~
	*~~[[Ulnar neuropathy at the elbow~~ and ~~wrist]]~~

	~~====Radial Nerve Syndromes====~~
	*[[Radial neuropathy at the spiral groove]] (~~ie.~~ "~~Saturday night palsy~~")
	*~~[[Posterior interosseous neuropathy]]~~

	~~====Proximal Neuropathies====~~
	*[[Suprascapular neuropathy]]
	*[[Long thoracic neuropathy]]
	*[[Axillary neuropathy]]
	*[[Spinal accessory neuropathy]]
	*[[Musculocutaneous neuropathy]]

	~~====Other====~~
	*[[Brachial plexopathy]]
	*[[Cervical radiculopathy]]

			==Differential Diagnosis==
			{{Upper extremity peripheral nerve syndromes}}

	==Evaluation==		==Evaluation==

Fredvarone: Created page with "==Background== Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles Compression or injury can caus..."

2020-08-02T15:03:31Z

Created page with "==Background== *Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles *Compression or injury can caus..."

New page

==Background==
*Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles
*Compression or injury can cause an isolated AIN palsy
*[[Brachial plexopathy]] or cervical spine pathologies may present with combined median nerve palsies

==Clinical Features==
*May have forearm pain although not as common in other median nerve compression syndromes
*Weakness of finger flexion (FDL), thumb flexion (FPL), and pronation (pronator quadratus)
*Inability to hold a piece of paper between index and thumb fingertips (can't make "OK" sign)
*No sensory loss

==Differential Diagnosis==
*Peripheral neuropathy
**Entrapment between forearm muscles or tendons
**FPL tendon rupture (usually with severe rheumatic disease)
**Trauma
***[[Forearm fracture]]
***Pediatric - [[supracondylar fracture]]
**Space occupying lesions
*Post-viral neuritis
**[[Parsonage-Turner syndrome]]
*Iatrogenic

===Upper extremity [[peripheral nerve syndromes]]===
====Median Nerve Syndromes====
*[[Median Mononeuropathy (Carpal Tunnel Syndrome)|Carpal tunnel syndrome]]
*[[Pronator teres syndrome]]
*[[Anterior interosseous neuropathy]]

====Ulnar Nerve Syndromes====
*[[Ulnar neuropathy at the elbow and wrist]]

====Radial Nerve Syndromes====
*[[Radial neuropathy at the spiral groove]] (ie. "Saturday night palsy")
*[[Posterior interosseous neuropathy]]

====Proximal Neuropathies====
*[[Suprascapular neuropathy]]
*[[Long thoracic neuropathy]]
*[[Axillary neuropathy]]
*[[Spinal accessory neuropathy]]
*[[Musculocutaneous neuropathy]]

====Other====
*[[Brachial plexopathy]]
*[[Cervical radiculopathy]]

==Evaluation==
*Clinical diagnosis
*Plain films
*Outpatient [[EMG]] or [[MRI]]

==Management==
*Nonoperative: rest, activity modification, [[NSAIDs]], splinting
*Operative decompression: compressive masses

==Disposition==
*Discharge with orthopedic follow up

==See Also==

==External Links==

==References==
<references/>

# Dang AC et al. Unusual Compression Neuropathies of the Forearm, Part 2: Median Nerve. JHS. 2009;34A:1915-1920.

← Older revision		Revision as of 18:14, 5 August 2020
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	==See Also==		==See Also==
			*[[Peripheral nerve syndromes]]

	==External Links==		==External Links==

Anterior interosseous neuropathy - Revision history

Rossdonaldson1: /* Background */

Rossdonaldson1: /* Background */

ClaireLewis at 01:04, 22 October 2020

Rossdonaldson1 at 18:15, 5 August 2020

Rossdonaldson1: /* See Also */

Rossdonaldson1: /* Evaluation */

Rossdonaldson1: /* Causes */

Rossdonaldson1 at 18:11, 5 August 2020

Fredvarone: Created page with "==Background== *Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles *Compression or injury can caus..."

Fredvarone: Created page with "==Background== Anterior interosseous nerve (C5-T1) is a branch of the median nerve that supplies motor innervation to the deep forearm muscles Compression or injury can caus..."