Rare Urinary Tract Infection by Rodentibacter pneumotropicus (formerly, Pasteurella pneumotropica) in an Immunocompetent Patient
Abstract
Patient: Male, 37-year-old Final Diagnosis: Urinary tract infection Symptoms: Diarrhea • fever • hematuria • leukocytosis • lower urinary tract symptoms • nausea • right lumbar pain • weight loss Clinical Procedure: — Specialty: Microbiology and Virology • Urology Objective: Rare disease Background Pasteurella pneumotropica has been reclassified as Rodentibacter pneumotropicus after advancements in genetic and phenotypic analyses revealed genetic diversity and phylogenetic distinctions within the pneumotropica complex. This reorganization resolved issues of misclassification and provided a clearer framework for understanding the epidemiology and clinical relevance of these organisms. R. pneumotropicus is a gram-negative bacillus commonly found in the respiratory tracts of mammals, particularly rodents. However, it rarely infects humans. This case is notable for presenting a urinary tract infection caused by R. pneumotropicus in an immunocompetent patient, a rare manifestation highlighting the need to consider less-common pathogens in daily clinical practice to choose the correct treatments. Case Report This case describes a 37-year-old immunocompetent man who initially presented to a hospital in Mexico with gastrointestinal symptoms and later developed urinary issues following a ureteroscopy for a proximal ureteral stone. Despite initial treatment with meropenem and paracetamol, the patient had persistent fever and leukocytosis. According to the available material at the…
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