EXPRESS: Radiographic patterns and lesion associations in feline pelvic trauma.

Feline pelvic trauma produces predictable multi-lesion patterns; recognition aids comprehensive radiographic evaluation.

This retrospective bicentric radiographic study analyzed pelvic trauma patterns in 80 cats, identifying 267 total lesions with an average of 3 lesions per patient. Sacroiliac luxation was the most frequently observed lesion, occurring in 91.2% of cats with multiple concurrent injuries. Statistical analysis revealed significant associations between bilateral sacroiliac luxations, sacroiliac luxations with contralateral iliac fractures, and ipsilateral pubic-ischial fracture combinations. Notably, unilateral sacroiliac luxations, pubic, ischial, and symphyseal fractures were never identified as isolated injuries, whereas coxofemoral luxations frequently occurred alone. These findings demonstrate that feline pelvic trauma produces predictable, complex multi-site lesion patterns reflecting biomechanical behavior of the rigid pelvic ring. The identification of consistent association patterns provides clinicians with a systematic framework for radiographic evaluation, enabling more thorough assessment and detection of potentially occult concurrent injuries during initial trauma workup.

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