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Journal of Indian Association of Pediatric Surgeons
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LETTER TO EDITOR
Year : 2009  |  Volume : 14  |  Issue : 1  |  Page : 40
 

Is primary chemotherapy effective in large hydatid cyst of liver?


Department of Pediatric Surgery, IMS, BHU, Varanasi, India

Date of Web Publication31-Jul-2009

Correspondence Address:
Vijai D Upadhyaya
Department of Pediatric Surgery, IMS, BHU, Varanasi - 221 005, U.P
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-9261.54806

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How to cite this article:
Gangopadhyay A N, Srivastava P, Upadhyaya VD, Hasan Z. Is primary chemotherapy effective in large hydatid cyst of liver?. J Indian Assoc Pediatr Surg 2009;14:40

How to cite this URL:
Gangopadhyay A N, Srivastava P, Upadhyaya VD, Hasan Z. Is primary chemotherapy effective in large hydatid cyst of liver?. J Indian Assoc Pediatr Surg [serial online] 2009 [cited 2019 Sep 15];14:40. Available from: http://www.jiaps.com/text.asp?2009/14/1/40/54806


Sir,

Surgery remains the treatment of choice for hydatid cyst of the liver. Percutaneous drainage and medical treatment using benzimidazole compounds (albendazole, mebendazole) are the other options. We herein report a patient with hydatid cyst of the liver treated nonoperatively with albendazole because he was reluctant to surgery. The patient improved dramatically and was asymptomatic after 4 months of therapy.

A 7-year-old boy presented with pain in right upper abdomen of 3 months duration. There was no history of fever, jaundice and trauma. The abdominal examination revealed mild hepatomegaly. The hematological and biochemical investigations were within normal limits. An ultrasonography was suggestive of hydatid cyst with a size of 11.5 × 9.5cm in the left lobe of liver. The diagnosis was confirmed with plasma IgG anti- echinococcal antibody titers, which was 15.27U/mL at the time of presentation. The patient was planned for elective operation with pre-operative chemotherapy (albendazole) for 3 weeks. The patient was subjected to repeat ultrasound, which revealed that the size of cyst reduced to almost half measuring 6.5 × 3.9cm. At this stage, the patient was reluctant for surgical intervention because he was feeling better, asymptomatic and also because of financial problems. We decided to continue the medical treatment under strict follow up. Repeat ultrasonography revealed a completely shrunken cyst. Repeat plasma IgG anti- echinococcal antibody titer is now in normal range. The patient took albendazole for 4 months and was asymptomatic at 6-month follow up.

In contemporary practice, the indications of benzimidazole therapy are inoperable primary hepatic hydatidosis, multiple cysts in two or more organs, multiple small liver cysts, cysts located in deep hepatic parenchyma, prevention and management of secondary hydatidosis, management of recurrent hydatidosis, unilocular cysts in unfit elderly patients, in adjunct therapy with surgery or percutaneous interventions, pulmonary echinococcosis, and long-term treatment for cystic echinococcosis in specific organs such as the bone, brain, or eye. The usual dosage of albendazole is generally suggested to be 10-15mg kg per day [1] in two equal doses in courses of 3 months, separated by intervals of 1 or 2 weeks. [2],[3] Horton [4] classified the clinical outcome of patients treated with albendazole as cure, improvement, no change and worsening and reported that 30% of the patients were cured, 30%- 50% had improvement and 20%-40% had no change. Gil-Grande et al , [5] suggested that initial medical therapy to be a good alternative to surgical therapy in uncomplicated hepatic hydatid cysts in their study of 55 patients. Keshmiri et al . [6] treated 29 patients with 240 cysts intermittently for 6 months and reported a cure rate of 10%, a reduction in cyst size of 60%, and an improvement in morphological appearance by 62%. Senyüz et al . [7] concluded in their study that medical treatment of the hydatid disease must not be limited to only small-sized cysts. Before proceeding to surgery, many hydatid cysts, even when huge in size, may respond to the treatment either with shrinkage of the germinative membranes or a deposition of calcium in their walls although such shrinkage of the cyst may take 1 to 2 years. Therefore, any unnecessary risk of surgical intervention can be eliminated. Based on these studies, we have tried the medical treatment for single large uncomplicated hydatid cyst because the patient was reluctant to surgical intervention. The patient was completely asymptomatic after 4 months of albendazole therapy. Therefore, we suggest that medical therapy is a good cost-effective alternative for surgical intervention, especially when patient is reluctant to surgery or he is not fit for surgery.

 
   References Top

1.Tsakayiannis E, Pappis C, Moussatos G. Late result of the conservative surgical procedures in hydatid disease of the lung in children. Surgery 1970;68:379-82.  Back to cited text no. 1  [PUBMED]  
2.Bekhti A, Schaaps JP, Capron M, Dessaint JP, Santoro F, Capron A. Treatment of hepatic hydatid disease with mebendazole: Preliminary results in four cases. Br Med J 1977;2:1047-51.  Back to cited text no. 2  [PUBMED]  [FULLTEXT]
3.Polat C, Dervisoglu A, Hokelek M, Yetim I, Buyukkarabacak Y, Ozkutuk Y, et al . Dual treatment of albendazole in hepatic hydatidosis: New therapeutic modality in 52 cases. J Gastroenterol Hepatol 2005;20:421-5.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]
4.Horton RJ. Albendazole in treatment of human cystic echinococcosis-12 years of experience. Acta Trop 1997;64:79-93.  Back to cited text no. 4  [PUBMED]  
5.Gil-Grande LA, Rodriguez-Caabeiro F, Prieto JG, Sαnchez-Ruano JJ, Brasa C, Aguilar L, et al . Randomized controlled trial of efficacy of albendazole in intra-abdominal hydatid disease. Lancet 1993;342:1269-72.  Back to cited text no. 5    
6.Keshmiri M, Baharvahdat H, Fattahi SH, Davachi B, Dabiri RH, Baradaran H, et al . Albendazole versus placebo in treatment of echinococcosis. Trans R Soc Trop Med Hyg 2001;95:190-4.  Back to cited text no. 6  [PUBMED]  
7.Senyüz OF, Yesildag E, Celayir S. Albendazole therapy in the treatment of hydatid liver disease. Surg Today 2001;31:487-91.  Back to cited text no. 7    



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