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Parapharyngeal abscess due to cat-scratch disease

S H Yeh1, K M Zangwill, B Hall

  • 1Department of Pediatrics, Harbor-University of California Los Angeles Medical Center, Torrance, CA 90502, USA. yeh@humc.edu

Insights

Cat-scratch disease (CSD) can cause deep head and neck infections, expanding its known illness spectrum. This case highlights CSD as a cause of parapharyngeal abscesses in children, previously unassociated with such infections.

Area of Science:

  • Infectious Diseases
  • Pediatrics
  • Otolaryngology

Background:

  • Cat-scratch disease (CSD) is typically associated with cervical adenitis in children.
  • The spectrum of CSD manifestations is continually expanding.
  • Deep fascial space infections of the head and neck are not commonly linked to CSD.

Observation:

  • This report details a pediatric case of extensive parapharyngeal adenitis and abscesses.
  • The patient presented with symptoms indicative of a deep head and neck infection.

Findings:

  • CSD was confirmed as the causative agent through histological and serological analyses.
  • The findings establish a novel association between CSD and deep fascial space infections in the head and neck.

Implications:

  • This case expands the differential diagnosis for pediatric deep neck infections.
  • Clinicians should consider CSD in the evaluation of parapharyngeal abscesses, even without typical CSD exposure history.
  • Further research may elucidate the mechanisms behind CSD-induced deep head and neck infections.

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