Cat Scratch Disease: An Unusual Case of Right Inguinal Lymphadenitis Due to Bartonella henselae

Cat scratch disease (CSD) is caused by a bacterial infection due to Bartonella henselae and associated with young cats kittens. CSD commonly occurs as regional lymphadenitis in the setting of subacute lymphadenopathy predominantly children adults. The prognosis for immunocompetent patients favorable complete recovery, however, immunocompromised adults can progress life-threatening complications such neuroretinitis, osteomyelitis, bacillary angiomatosis. B. transmitted from humans through scratching or biting when located on cat’s claws oral cavity. In 1% diagnosed cases, developed this without ever receiving an animal scratch. We present case 29-year-old male developing severe right inguinal pain concern incarcerated hernia. He reported exposure vaccinated six-month-old kitten but denied any recent scratches bites. His infectious workup revealed CT imaging subsequent lymph node biopsy confirmed diagnosis CSD. was treated short course doxycycline opioids management. This illustrates importance thorough history physical taking even early recognition prompt targeted treatment prevent unfavorable outcomes.