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Mastitis
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Mastitis

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Contributors: Mitchell Linder MD
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Synopsis

Mastitis is an inflammation of the breast tissue / duct. It is commonly seen in lactating women, although it does rarely occur even without lactation. Causes include infection or milk stasis (from blockage). Mastitis occurs most often in the first 6 weeks postpartum; incidence can be up to 10% of breastfeeding new mothers.

Risk factors include missed feedings, nipple damage from breastfeeding attempts, infant attachment difficulties, rapid weaning, pressure on the breast from compressive clothing / bra, history of prior mastitis, and incomplete breast emptying with feeds.

Infection is most commonly due to Staphylococcus aureus.

Patients will present with sudden onset of fever and myalgias as well as focal symptoms of unilateral breast tenderness, warmth, and swelling, often with overlying skin erythema.

Codes

ICD10CM:
N61.0 – Mastitis without abscess

SNOMEDCT:
45198002 – Mastitis

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Last Reviewed: 05/02/2017
Last Updated: 04/23/2019
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Mastitis
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Mastitis : Fever, Axillary lymphadenopathy, Erythema, Malaise, Nipple discharge, Skin warm to touch, Breast mass, Breast tenderness
Copyright © 2020 VisualDx®. All rights reserved.