Table 2.

Characteristics of the liver abscesses

Clinical presentation					Characteristics of hepatic abscess				Management details
Case	Gender	Age	Predominant symptoms	Duration	Site (Lobe)	Number	Size (cm)	Likely etiology	Drain	Surgery
1	Male	61	Fever, epigastric pain, anorexia/malaise	5 days	Right	Single	7	Portal vein sepsis*	Yes	Yes
2	Male	72	Fever, rigors	11 days	Left	Single	4	Portal vein sepsis*	Yes	No
3	Male	75	Fever, myalgia, pleuritic lower right chest pain	10 days	Right	Single	6	Portal vein sepsis*	Yes	No
4	Female	78	Fever, anorexia/malaise	2 weeks	Right	Single	10	Other^	Yes	No
5	Male	85	Anorexia/malaise	4 weeks	Right	Single	4	Other^	No	No
6	Female	56	RUQ pain, nausea	6 weeks	Right	Single	6	Biliary tract sepsis	Yes	No
7	Female	16	Fever, RUQ pain, jaundice	5 days	Right	Single	12	Actinomycosis	Yes	Yes
8	Female	53	RUQ pain	5 days	Left	Single	7	Biliary tract sepsis	Yes	No
9	Male	33	Fever, jaundice, dark urine	3 days	Right	Multiple	11	Biliary tract sepsis	Yes	No
10	Male	64	RUQ pain, jaundice	7 days	Right	Single	5	Biliary tract sepsis	Yes	No
11	Female	70	Fever, RUQ pain	5 days	Right	Single	10	Biliary tract sepsis	Yes	No

* Portal vein sepsis; secondary to gastrointestinal sources of infection, including diverticulitis and appendicitis

^ Other causes include: hematogenous seeding from a distant site of infection, or unknown etiology