Ecthyma in Infant/Neonate
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Synopsis
Ecthyma is a bacterial skin infection caused by beta-hemolytic streptococci and often secondarily contaminated with staphylococci. It is seen from infancy to the teenage years. This infection is predisposed by poor hygiene, malnutrition, and trauma to the tissues. The lower extremities are sites of predilection.
Codes
ICD10CM:
L08.0 – Pyoderma
SNOMEDCT:
762694009 – Ecthyma
L08.0 – Pyoderma
SNOMEDCT:
762694009 – Ecthyma
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- The disorder is similar to streptococcal nonbullous impetigo but is differentiated by deeper components.
- Ecthyma should be differentiated from ecthyma gangrenosum, which is caused by Pseudomonas sepsis and is potentially life threatening and evolves over hours to days.
- Methicillin-resistant Staphylococcus aureus (MRSA) infections
- Pyoderma gangrenosum
- Mycobacterium marinum infection
- Cutaneous leishmaniasis
- Insect bite reactions
- Sporotrichosis
- Yaws
- Haemophilus ducreyi cutaneous ulcers (see chancroid)
- Lymphomatoid papulosis
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Management Pearls
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Therapy
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References
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Last Reviewed:08/21/2019
Last Updated:07/18/2023
Last Updated:07/18/2023
Ecthyma in Infant/Neonate