Case Report: Cervical lymphadenitis resulting from Pseudomonas aeruginosa diagnosed by metagenomic next-generation sequencing

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An 11-year-old boy developed cervical lymphadenitis caused by Pseudomonas aeruginosa, diagnosed via metagenomic next-generation sequencing.
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Traditional bacterial cultures were negative, highlighting the utility of metagenomic sequencing in identifying rare pathogens.
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The patient initially received empiric treatment for common pathogens but required a lymph node biopsy due to worsening symptoms.
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After diagnosis, the boy was treated with meropenem, leading to significant clinical improvement and eventual discharge.
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Cervical lymphadenitis can be caused by Gram-negative opportunistic pathogens, emphasizing the need for advanced diagnostic techniques.

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