ContentsSynopsisCodesLook ForDiagnostic PearlsDifferential Diagnosis & PitfallsBest TestsManagement PearlsTherapyReferencesInformation for PatientsView all Images (9)
Furunculosis in Infant/Neonate
See also in: Hair and Scalp
Other Resources UpToDate PubMed

Furunculosis in Infant/Neonate

See also in: Hair and Scalp
Contributors: Susan Burgin MD, Craig N. Burkhart MD, Dean Morrell MD, Lowell A. Goldsmith MD, MPH
Other Resources UpToDate PubMed

Synopsis

Furuncles (boils) are cutaneous abscesses associated with hair follicles. Carbuncles are a continuous collection of furuncles. By definition, furuncles are of infectious etiology, with the most common causative agent being Staphylococcus aureus (either methicillin-sensitive [MSSA] or methicillin-resistant [MRSA]). The infecting strain of Staphylococcus is usually colonizing the nares, umbilicus, or perineum. Furunculosis is is rather uncommon in this age group but increases in frequency with puberty. It more commonly affects males. Predisposing factors include Staphylococcus carriage, friction, malnutrition, poor hygiene, possibly diabetes, hyper-IgE syndrome, and human immunodeficiency virus (HIV) infection.

Clinically, furuncles are painful (particularly when in the nose or ear canal). They often appear in crops. Patients may describe purulent drainage. They usually occur on the face, neck, axillae, buttocks, thighs, and perineum. When on the central face, cavernous sinus thrombosis is a rare complication. Lesions may continue to develop for months to years, but individual lesions often heal spontaneously within 2-3 weeks.

MRSA first emerged as an important nosocomial pathogen in the 1960s. In more recent years, community-acquired outbreaks of MRSA (CA-MRSA) have been described increasingly among healthy individuals lacking the traditional risk factors for such infections. These strains have a propensity for causing abscesses, furunculosis, and folliculitis and have a unique antibiotic susceptibility profile from health care-associated strains of MRSA.

Immunocompromised patients have a significantly increased risk of developing both MSSA and MRSA furunculosis. HIV-infected patients are approximately 20 times more likely to develop skin and soft tissues infections caused by MRSA. Risk factors for MRSA infection in this population are low current CD4 cell count and recent beta-lactam antibiotic use.

Codes

ICD10CM:
L02.92 – Furuncle, unspecified

SNOMEDCT:
416675009 – Furuncle

Look For

Subscription Required

Diagnostic Pearls

Subscription Required

Differential Diagnosis & Pitfalls

Best Tests

Subscription Required

Management Pearls

Subscription Required

Therapy

Subscription Required

References

Subscription Required

Last Reviewed:03/23/2018
Last Updated:06/15/2018
Copyright © 2021 VisualDx®. All rights reserved.
Furunculosis in Infant/Neonate
See also in: Hair and Scalp
Furunculosis : Pustule, Painful skin lesion
Clinical image of Furunculosis
A close-up of multiple pusutles of varying sizes arising on a faintly violaceous plaque.
Copyright © 2021 VisualDx®. All rights reserved.