<prompt> A patient presents with fever for 3 weeks. On examination he is observed to have splenomegaly. Ultrasonography reveals a hypoechoic shadow in spleen near the hilum. Gram-positive bacilli are isolated on blood culture. Which of the following is the most likely causative organism?CytomegalovirusToxoplasmosisStaphylococcalLymphoma virus  <response>: Splenic abscess- Rare condition- Healthy patient having unilocular abscess - moality rate is 15 -20- Immunocompromised, multilocular - moality rate is 80- Predisposing factors: Malignancy Polycythemia vera IV drug abuse HIV positive Hemoglobinopathy UTI- MC organism responsible - staph aureus- Other organisms responsible Streptococcus Salmonella Gram negative enteric bacilli- Fungal abscess is typically seen in HIV positive and immunocompromised caused bycandidaClinical features- Abdominal pain- Tenderness- Peritonitis- Pruritic chest painInvestigation- Investigation of choice - CECTTreatment- Unilocular abscess - drainage antibiotics- Multilocular abscess - splenectomy drainage of left upper quadrant antibiotics 