Mastoiditis - Revision history

Danbot: Add peer-reviewed reference

2026-03-22T10:09:13Z

Add peer-reviewed reference

← Older revision		Revision as of 10:09, 22 March 2026
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	==Clinical Features==		==Clinical Features==
	*Abnormal TM findings		*Abnormal TM findings<ref>Luntz M, et al. Acute mastoiditis: the antibiotic era. Int J Pediatr Otorhinolaryngol. 2001;57(1):1-9. PMID 11165635</ref>
	*Abnormal mastoid findings		*Abnormal mastoid findings
	**Erythema, edema, tenderness		**Erythema, edema, tenderness

2019-08-16T17:31:31Z

Clinical Features

← Older revision		Revision as of 17:31, 16 August 2019
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	*Abnormal pinna findings		*Abnormal pinna findings
	**Protrusion of auricle, obliteration of postauricular crease		**Protrusion of auricle, obliteration of postauricular crease
	*Cranial nerve VI and VII palsies		*[[Cranial nerve abnormalities\|Cranial nerve VI and VII palsies]]

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

2019-08-16T02:18:56Z

Background

← Older revision		Revision as of 02:18, 16 August 2019
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	==Background==		==Background==
	[[File:~~Gray907~~.png\|thumb\|~~Ear~~ anatomy]]		[[File:Gray908.png\|thumb\|Cross sectional ear anatomy (left).]]
	*Inflammation of middle ear spreads into mastoid air cells via the "aditus ad antrum"		*Inflammation of middle ear spreads into mastoid air cells via the "aditus ad antrum"
	*Vast majority of acute mastoiditis occurs as a result of, or simultaneous with, [[acute otitis media]]		*Vast majority of acute mastoiditis occurs as a result of, or simultaneous with, [[acute otitis media]]

2019-08-16T02:17:00Z

Background

← Older revision		Revision as of 02:17, 16 August 2019
Line 1:		Line 1:
	==Background==		==Background==
			[[File:Gray907.png\|thumb\|Ear anatomy]]
	*Inflammation of middle ear spreads into mastoid air cells via the "aditus ad antrum"		*Inflammation of middle ear spreads into mastoid air cells via the "aditus ad antrum"
	*Vast majority of acute mastoiditis occurs as a result of, or simultaneous with, [[acute otitis media]]		*Vast majority of acute mastoiditis occurs as a result of, or simultaneous with, [[acute otitis media]]

2019-07-18T21:33:39Z

@@ Line 1: / Line 1: @@
 ==Background==
 *Inflammation of middle ear spreads into mastoid air cells via the "aditus ad antrum"
 *Vast majority of acute mastoiditis occurs as a result of, or simultaneous with, [[acute otitis media]]
 **Mastoiditis is unlikely if middle ear examination is normal
@@ Line 45: / Line 38: @@
 ==Disposition==
 *Admit
 ==See Also==

2019-07-18T21:32:19Z

Management

← Older revision		Revision as of 21:32, 18 July 2019
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	==Management==		==Management==
			*ENT consultation - cases refractory to parenteral antibiotics may require surgical irrigation and debridement with possible mastoidectomy.
	{{Mastoiditis Antibiotics}}		{{Mastoiditis Antibiotics}}
	*If chronic or severe, need pseudomonas coverage
	** Vanco + Piperacillin-tazobactam (Zosyn) 100mg/kg/dose piperacillin IV q6h (max 4g piperacillin/dose)

	*ENT consultation - cases refractory to parenteral antibiotics may require surgical irrigation and debridement with possible mastoidectomy.

	==Disposition==		==Disposition==

2019-07-18T21:31:50Z

← Older revision		Revision as of 21:31, 18 July 2019
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	*If chronic or severe, need pseudomonas coverage		*If chronic or severe, need pseudomonas coverage
	** Vanco + Piperacillin-tazobactam (Zosyn) 100mg/kg/dose piperacillin IV q6h (max 4g piperacillin/dose)		** Vanco + Piperacillin-tazobactam (Zosyn) 100mg/kg/dose piperacillin IV q6h (max 4g piperacillin/dose)

			*ENT consultation - cases refractory to parenteral antibiotics may require surgical irrigation and debridement with possible mastoidectomy.

	==Disposition==		==Disposition==
	*ENT consultation - cases refractory to parenteral antibiotics may require surgical irrigation and debridement with possible mastoidectomy.
	*Admit		*Admit

2019-07-18T21:30:28Z

Evaluation

← Older revision		Revision as of 21:30, 18 July 2019
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	==Evaluation==		==Evaluation==
			[[File:OtitisMedia Mastoiditis RightSide 153.png\|thumb\|CT scan: Otitis media (single arrow) and mastoiditis (double arrow) of the right side (left side in image). The external auditory canal is partially occupied by suppuration (triple arrow).]]
	*Middle ear fluid cultures		*Middle ear fluid cultures
	*CT mastoid with IV contrast		*CT mastoid with IV contrast

2019-06-20T17:37:52Z

Management

← Older revision		Revision as of 17:37, 20 June 2019
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	==Management==		==Management==
	{{Mastoiditis Antibiotics}}		{{Mastoiditis Antibiotics}}
			*If chronic or severe, need pseudomonas coverage
			** Vanco + Piperacillin-tazobactam (Zosyn) 100mg/kg/dose piperacillin IV q6h (max 4g piperacillin/dose)

	==Disposition==		==Disposition==

2019-06-20T17:33:32Z

Evaluation

← Older revision		Revision as of 17:33, 20 June 2019
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	*Middle ear fluid cultures		*Middle ear fluid cultures
	*CT mastoid with IV contrast		*CT mastoid with IV contrast
			** 90% sensitive
	**Delineates extent of bony involvement		**Delineates extent of bony involvement
	**Helps to diagnosis [[abscess]] formation		**Helps to diagnosis [[abscess]] formation