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Esophageal stenosis secondary to severe loxoscelism: A case report

Lucas Rocha Alvarenga1, Mariana Di Paula Rodrigues2, Marise Helena Cardoso Tofoli2

  • 1State University of Campinas - UNICAMP Campinas Brazil.

JPGN Reports
|May 11, 2026
PubMed

Insights

Loxoscelism, a spider bite, can cause severe injuries in children. This case shows a favorable outcome for an infant with a cervical bite, emphasizing prevention.

Area of Science:

  • Toxicology
  • Pediatrics
  • Public Health

Background:

  • Loxoscelism is a significant public health concern in tropical regions, especially Brazil.
  • Spider bites can result in severe, permanent injuries, particularly in pediatric patients.
  • Cervical loxoscelism in infants is rare but can lead to serious complications.

Purpose of the Study:

  • To report a rare case of severe loxoscelism in an infant affecting the cervical region.
  • To highlight the potential for esophageal stricture development following such an injury.
  • To emphasize the importance of preventive measures against spider bites in children.

Main Methods:

  • Case report of an infant diagnosed with loxoscelism.
  • Documentation of clinical progression, including cervical injury and esophageal involvement.
  • Description of interventions, including surgical and endoscopic procedures.

Main Results:

  • The infant experienced a severe loxoscelism accident in the cervical area.
  • The injury progressed to esophageal stricture, necessitating multiple dilations.
  • Despite the severity, the outcome was favorable following medical and surgical interventions.

Conclusions:

  • Severe loxoscelism in infants can lead to critical complications like esophageal stricture.
  • Prompt and multidisciplinary interventions are crucial for managing severe pediatric loxoscelism.
  • Reinforcing individual and collective preventive strategies is essential to reduce loxoscelism incidence in children.

Keywords:
Loxoscelesesophageal stricturesspider bites

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