Mastitis - Revision history

Ostermayer at 18:03, 16 January 2026

2026-01-16T18:03:01Z

← Older revision		Revision as of 18:03, 16 January 2026
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	{{~~Adult top~~}} ~~[[neonatal mastitis]].''~~		{{AdultPage\|neonatal mastitis}}
	==Background==		==Background==
	[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]		[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]

2025-11-05T18:28:01Z

Disposition

← Older revision		Revision as of 18:28, 5 November 2025
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	*Consider referral for outpatient Specialty Breast Services:		*Consider referral for outpatient Specialty Breast Services:
	**recurrent mastitis/abscess, or chronic granulomatous mastitis		**recurrent mastitis/abscess, or chronic granulomatous mastitis

			==See Also==

			==External Links==

	==References==		==References==

2025-11-05T18:24:22Z

← Older revision		Revision as of 18:24, 5 November 2025
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	{{Adult top}} [[neonatal mastitis]] ~~for neonatal patients~~.''		{{Adult top}} [[neonatal mastitis]].''
	==Background==		==Background==
	[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]		[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]

2025-11-05T18:23:47Z

← Older revision		Revision as of 18:23, 5 November 2025
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			{{Adult top}} [[neonatal mastitis]] for neonatal patients.''
	==Background==		==Background==
	[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]		[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]

2025-10-09T16:13:00Z

Background

← Older revision		Revision as of 16:13, 9 October 2025
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	**Usually sub-areolar area due to chronic duct inflammation		**Usually sub-areolar area due to chronic duct inflammation
	**40% recurrence rates even after [[I&D]]		**40% recurrence rates even after [[I&D]]
	*Neonatal ~~mastitis management~~ is ~~controversial, but typically requires IV and/or PO antibiotics with good staph coverage~~		*[[Neonatal Mastitis\|Mastitis in infants <2months old is discussed separately]]

	==Clinical Features==		==Clinical Features==

2020-03-02T18:34:34Z

Background

← Older revision		Revision as of 18:34, 2 March 2020
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	==Background==		==Background==
	[[File:Breast anatomy normal scheme.png\|thumb~~\|upright=1.36~~\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]		[[File:Breast anatomy normal scheme.png\|thumb\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]
	*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>		*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>
	**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess		**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess

2020-03-02T18:33:35Z

Background

← Older revision		Revision as of 18:33, 2 March 2020
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	==Background==		==Background==
	[[File:Breast anatomy normal scheme.png\|thumb\|upright=1.36\|~~The breast: cross~~-section scheme of the [[mammary gland~~]]. {{ordered list \|[[~~Chest wall~~]] \|[[~~Pectoralis ~~muscle]]s \|[[~~Lobules~~]] \|[[~~Nipple~~]] \|[[~~Areola~~]] \|[[~~Lactiferous duct~~\|Milk duct]] \|[[~~Adipose tissue~~\|Fatty tissue]] \|[[~~Skin]]}}		[[File:Breast anatomy normal scheme.png\|thumb\|upright=1.36\|Cross-section scheme of the mammary gland: 1) Chest wall 2) Pectoralis muscles 3) Lobules 4) Nipple 5) Areola 6) Lactiferous duct 7) Adipose tissue 8) Skin]]
	*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>		*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>
	**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess		**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess

2020-03-02T18:32:11Z

Background

← Older revision		Revision as of 18:32, 2 March 2020
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	==Background==		==Background==
			[[File:Breast anatomy normal scheme.png\|thumb\|upright=1.36\|The breast: cross-section scheme of the [[mammary gland]]. {{ordered list \|[[Chest wall]] \|[[Pectoralis muscle]]s \|[[Lobules]] \|[[Nipple]] \|[[Areola]] \|[[Lactiferous duct\|Milk duct]] \|[[Adipose tissue\|Fatty tissue]] \|[[Skin]]}}
	*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>		*Inflammation of the breast tissue - can be infectious or non-infectious in etiology.<ref name="Amir">Amir LH. ABM Clinical Protocol #4: Mastitis, Revised March 2014. Breastfeeding Medicine. 2014;9(5):239-243. doi:10.1089/bfm.2014.9984.</ref>
	**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess		**Continuum of disease - Plugged ducts → engorgement → non-infectious inflammation → infectious inflammation → abscess

2020-03-02T18:25:41Z

Clinical Features

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	==Clinical Features==		==Clinical Features==
	[[File:PMC3813587 rjt03901.png\|thumb\|Mastitis of right breast]]		[[File:PMC3813587 rjt03901.png\|thumb\|Mastitis of right breast]]
			[[File:Mastitis in breast.jpg\|thumb\|Mastitis localized to inferior portion of left breast.]]
	*[[rash\|Erythematous region]] on breast with well-localized area of tenderness		*[[rash\|Erythematous region]] on breast with well-localized area of tenderness
	*[[Fever]]/chills		*[[Fever]]/chills

2020-03-02T18:23:58Z

Clinical Features

← Older revision		Revision as of 18:23, 2 March 2020
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	==Clinical Features==		==Clinical Features==
			[[File:PMC3813587 rjt03901.png\|thumb\|Mastitis of right breast]]
	*[[rash\|Erythematous region]] on breast with well-localized area of tenderness		*[[rash\|Erythematous region]] on breast with well-localized area of tenderness
	*[[Fever]]/chills		*[[Fever]]/chills