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Violaceous discoloration in pneumococcal cellulitis

M C Thirumoorthi, B I Asmar, A S Dajani

    Pediatrics
    |October 1, 1978
    PubMed
    Summary

    Streptococcus pneumoniae can cause periorbital and buccal cellulitis, presenting with violaceous skin discoloration. This finding suggests pneumococci should be considered alongside Haemophilus influenzae in diagnosing such cases.

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    Area of Science:

    • Infectious Diseases
    • Microbiology
    • Dermatology

    Background:

    • Cellulitis is a common bacterial skin infection.
    • Haemophilus influenzae is a known cause of cellulitis, particularly in children.
    • Violaceous skin discoloration can indicate specific bacterial etiologies.

    Observation:

    • Two patients presented with periorbital cellulitis.
    • One patient also exhibited buccal cellulitis.
    • Both patients displayed violaceous skin discoloration.

    Findings:

    • Blood cultures identified Streptococcus pneumoniae in both patients.
    • This suggests pneumococci as a causative agent for cellulitis with violaceous discoloration.
    • This expands the differential diagnosis beyond Haemophilus influenzae.

    Implications:

    • Clinicians should consider Streptococcus pneumoniae in cases of cellulitis with violaceous or bluish-red skin.
    • This highlights the importance of blood cultures for identifying the causative pathogen.
    • Further research may elucidate the specific mechanisms of pneumococcal cellulitis.

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