Abscess formation of the round ligament of the liver is very rare. We report a case of a 70-year-old female with abscess of the round ligament after an endoscopic papillotomy for choledocholithiasis. On the 21st day following papillotomy, abscess formation of the round ligament was found by ultrasonographic
examination. Surgical treatment was performed because conservative therapy was not effective. The purulent fluid and necrotic tissue at the round ligament were completely removed. Cultures obtained from the abscess grew Staphylococcus epidermidis, but the mechanism of abscess formation in this case remains unclear.</p

Furutani, Shiro

Hirai, Ryuji

Ikeda, Eiji

Nakahara, Saki

Tada, Akihiro

Takagi, Shoji

Tsuji, Hisashi

Tsukuda, Kazunori

Watanabe, Keitaro

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Abscess Formation of the Round Ligament of the Liver: Report of a Case

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Acta Medica OkayamaVolume 62, Issue 6 2008 Article 8DECEMBER 2008Abscess Formation of the Round Ligament ofthe Liver: Report of a CaseKazunori Tsukuda∗ Shiro Furutani† Saki Nakahara‡Akihiro Tada∗∗ Keitaro Watanabe†† Shoji Takagi‡‡Eiji Ikeda§ Ryuji Hirai¶ Hisashi Tsuji‖∗Department of Surgery, Okayama Red Cross General Hospital,†Department of Surgery, Okayama Red Cross General Hospital,‡Department of Surgery, Okayama Red Cross General Hospital,∗∗Department of Surgery, Okayama Red Cross General Hospita,††Department of Surgery, Okayama Red Cross General Hospital,‡‡Department of Surgery, Okayama Red Cross General Hospital,§Department of Surgery, Okayama Red Cross General Hospital,¶Department of Surgery, Okayama Red Cross General Hospital,‖Department of Surgery, Okayama Red Cross General Hospital,Copyright c©1999 OKAYAMA UNIVERSITY MEDICAL SCHOOL. All rights reserved.Abscess Formation of the Round Ligament ofthe Liver: Report of a Case∗Kazunori Tsukuda, Shiro Furutani, Saki Nakahara, Akihiro Tada, KeitaroWatanabe, Shoji Takagi, Eiji Ikeda, Ryuji Hirai, and Hisashi TsujiAbstractAbscess formation of the round ligament of the liver is very rare. We report a case of a70-year-old female with abscess of the round ligament after an endoscopic papillotomy for chole-docholithiasis. On the 21st day following papillotomy, abscess formation of the round ligamentwas found by ultrasonographic examination. Surgical treatment was performed because conserva-tive therapy was not effective. The purulent fluid and necrotic tissue at the round ligament werecompletely removed. Cultures obtained from the abscess grew Staphylococcus epidermidis, butthe mechanism of abscess formation in this case remains unclear.KEYWORDS: round ligament of the liver, abscess∗Copyright c©2008 OKAYAMA UNIVERSITY MEDICAL SCHOOL. All rights reservedAbscess Formation of the Round Ligament of the Liver: Report of a CaseKazunori Tsukuda＊,  Shiro Furutani,  Saki Nakahara,  Akihiro Tada,   Keitaro Watanabe,  Shoji Takagi,  Eiji Ikeda,  Ryuji Hirai,  and Hisashi TsujiDepartment of Surgery,  Okayama Red Cross General Hospital,  Okayama 700ﾝ8607,  Japanbscess formation or necrosis of the round liga-ment of the liver is very rare,  and only 6 cases have been reported to date [1ﾝ6].  The diagnosis is based on localized inﬂammation of the ligament with-out apparent etiology.  We present herein the case of a 70-year-old female with an abscess of the round ligament of the liver after treatment for choledocholi-thiasis.Case Report　 A 70-year-old female patient consulted her physi-cian with severe abdominal pain and was diagnosed with acute pancreatitis.  The initial blood tests showed her white blood cell count was 7,700/ｻl and serum amylase was 5,540IU/l.  The patient was referred to our institution a week later,  because high fever persisted in spite of the treatments with ulina-statin and cefmetazole sodium.　 The patient presented right upper abdominal pain.  Her body temperature was 36.8℃,  blood pressure was 106/70mmHg,  and pulse was 72/min at the ﬁrst visit.  Her white blood cell count was 9,100/ｻl,  CRP was 9.6mg/dl,  amylase was 205IU/l and total biliru-bin was 0.6mg/dl.  Computed tomography and ultra-sonographic examination revealed swelling of the gallbladder and gallstones in the common bile duct.  Under the diagnoses of acute choledochitis and pan-creatitis due to choledocholithasis,  endoscopic retro-grade cholangiography was performed.  The patient consequently underwent endoscopic papillotomy and the stones were removed.  After the treatment,  the patientʼs symptom was relieved and blood tests were normal.　 On the 21st days after the papillotomy,  a periodi-cal ultrasound inspection showed intraabdominal abscess formation adjacent to the gallbladder (Fig.  1).  Computed tomography conﬁrmed an abscess at the round ligament of the liver that extended to the hepatic ﬁssure (Fig.  2).  The patient had no evidence AAbscess formation of the round ligament of the liver is very rare.  We report a case of a 70-year-old female with abscess of the round ligament after an endoscopic papillotomy for choledocholithiasis.  On the 21st day following papillotomy,  abscess formation of the round ligament was found by ultra-sonographic examination.  Surgical treatment was performed because conservative therapy was not eﬀective.  The purulent ﬂuid and necrotic tissue at the round ligament were completely removed.  Cultures obtained from the abscess grew Staphylococcus epidermidis,  but the mechanism of abscess formation in this case remains unclear.Key words:  round ligament of the liver,  abscessActa Med.  Okayama,  2008Vol.  62,  No.  6,  pp.  411ﾝ413CopyrightⒸ 2008 by Okayama University Medical School.Case Report http ://escholarship.lib.okayama-u.ac.jp/amo/Received July 3,  2008 ; accepted August 12,  2008. ＊Corresponding author. Phone : ＋81ﾝ86ﾝ222ﾝ8811; Fax : ＋81ﾝ86ﾝ222ﾝ8841E-mail : jcb01512@nifty. com (K.  Tsukuda)1Tsukuda et al.: Abscess Formation of the Round Ligament of the Liver: Report of aProduced by The Berkeley Electronic Press, 2008of infection of the umbilicus.  At this point the white blood cell count was 3,300/ｻl and CRP was 1.9mg/dl.  Though the patient did not show severe symptoms,  surgical treatment was performed because the abscess did not dwindle with conservative treatment.　 During surgery,  no acute process was found in the gallbladder.  An abscess with purulent ﬂuid and necrotic tissues involved the round ligament and left lobe of the liver.  The necrotic tissue was completely removed and cholecystectomy was done.  Intraopera-tive cholangiography was performed,  but a connection of the intrahepatic duct with the abscess cavity was not proved.  The patient had an uneventful postoperative course and was discharged on the 15th postoperative day.　 Pathological examination showed that the necrotic tissues consisted of fatty tissue and blood but not liver tissue,  which indicated that the abscess did not origi-nate from a liver abscess.  Cultures obtained from the abscess grew Staphylococcus epidermidis,  common bac-teria that cause omphalitis.  The mechanism of abscess formation in this case remains unclear,  because the patient showed no abnormal ﬁndings of the umbilicus.Discussion　 The round ligament represents the remnant of the left fetal umbilical vein and is a degenerative string of tissue that extends from the umbilicus to the trans-verse ﬁssure of the liver.  Within a week of birth,  the infantʼs umbilical vein is completely obliterated and is replaced by the round ligament of the liver.  In an 412 Acta Med.  Okayama　Vol. 62, No. 6   Tsukuda et al.Fig. 1　 Ultrasonography showed wall thickening of the gallblad-der and abscess formation adjacent to the gallbladder.ＡＢFig. 2　 A,  Computed tomography shows a large abscess,  9×6cm,  at the round ligament of the liver.  The existence of the umbilical vein (arrow) which runs inside the abscess and is con-nected to the left branch of the portal vein conﬁrmed that the abscess was formed inside the round ligament; B,  An identical CT view during the patientʼs ﬁrst visit showed no abscess formation.2Acta Medica Okayama, Vol. 62 [2008], Iss. 6, Art. 8http://escholarship.lib.okayama-u.ac.jp/amo/vol62/iss6/8adult,  the round ligament is known to reopen to allow the passage of blood under extreme pressure,  such as that caused by cirrhosis and portal hypertention [7].　 Omphalitis is exclusively a disease of neonates,  usually due to staphylococcal or streptococcal infec-tion and few cases of adult omphalitis have been reported [8].  Though staphylococcus was a source of contagion in the present case,  no involvement of the umbilicus was shown through the entire hospitaliza-tion period.  The previous papillotomy treatment and involvement of the lateral lobe of the liver made cor-relation with infection of the biliary duct seem likely,  but radiological and bacteriological ﬁndings did not support this conclusion.  Thus,  the mechanism of abscess formation in this case remains unclear.　 A review of the literature has shown only 6 cases similar to the present one [1ﾝ6].  The patient age ranges from 18 to 84 years in reported cases.  Only 2 cases mentioned contagions; one was infected with E. coli,  Enterococcus and Klebsiella pneumonia and the other was negative for bacteria [2,  3].  The infection in the former case indicated that the infection may have originated from the gastrointestinal tract.  Most cases showed acute abdominal symptoms and under-went surgical treatment.  Unlike our case,  the other cases arose without previous medical treatment or primary illness.  Surgical treatment should be per-formed without delay after a diagnosis of this type of infection,  because there is a report that abscess of the round ligament extended to generalized peritonitis and necessitated emergency surgery [4].　 Infection of the round ligament is extremely rare but should be suspected in patients with abdominal complaints and imaging study may be useful to demon-strate abscess formation of the round ligament.References 1. Charuzi I and Freund H: Gangrene of the hepatic round ligament causing diﬀuse peritonitis: a case report.  Am Surg (1976) 42: 925ﾝ926. 2. Watson SD,  McComas B,  Rannick GA and Stanton PA Jr:Gangrenous ligamentum teres hepatis causing acute abdominal symptomes.  South Med J (1988) 81: 267ﾝ269. 3. Pans A,  Burnel M and Gillard R: Gangrene of the round liver liga-ment: an unrecognized pathology.  Chirurgie (1999) 124: 551ﾝ554. 4. Losanoﬀ JE and Kjossev KT:  Isolated gangrene of the round and falciform liver ligaments: a rare cause of peritonitis: case report and review of the world literature.  Am Surg (2002) 68: 751ﾝ755. 5. Martin TG: Videolaparoscopic treatment for isolated necrosis and abscess of the round ligament of the liver.  Surg Endosc (2004) 18: 1395. 6. Tison C,  Regenet N,  Frampas E,  Masliah C and Le Borgne J:Gangrene isolee du ligament rond du foie.  Gastroenterol Clin Biol (2005) 29: 204ﾝ205. 7. Khati NJ,  Enquist EG and Javitt MC: Imaging of the umbilicus and periumbilical region.  Radiographics (1998) 18: 413ﾝ431. 8. Cushing AH: Omphalitits: a review: Pediatr Infect Dis (1985) 4: 282ﾝ285.413Abscess of the Round Liver LigamentDecember 20083Tsukuda et al.: Abscess Formation of the Round Ligament of the Liver: Report of aProduced by The Berkeley Electronic Press, 20084Acta Medica Okayama, Vol. 62 [2008], Iss. 6, Art. 8http://escholarship.lib.okayama-u.ac.jp/amo/vol62/iss6/8

Abscess Formation of the Round Ligament of the Liver: Report of a Case

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