Meningitis presenting as an acute abdomen.
D000006:Abdomen, Acute / Q000175:diagnosis*; D000328:Adult; D001064:Appendicitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008586:Meningitis, Pneumococcal / Q000175:diagnosis*; D010538:Peritonitis / Q000175:diagnosis; D013129:Spinal Puncture