Abdominal wall abscess 1 Article 1 C reactive protein 1 Fish bone 1 Foreign body ingestion 1 Umbilical abscess 1 abdominal abscess 1 abdominal pain 1 abdominal radiography 1 abdominal tenderness 1 abscess drainage 1 adult 1 amoxicillin 1 analgesic agent 1 antibiotic therapy 1 backache 1 bone 1 case report 1 chronic pain 1 clavulanic acid 1 clinical article 1 cyst 1 echography 1 erythema 1 fish 1 follow up 1 foreign body 1 general anesthesia 1 human 1 incision 1