Paragonimiasis in the Abdominal Subcutaneous Tissue: A Case Report.

Kim, Jong Sok; Seo, Byeong Chul; Kim, Young Jin; Jun, Young Joon

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Case Report

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2010;37(4):485-488.
Published online July 1, 2010.

Paragonimiasis in the Abdominal Subcutaneous Tissue: A Case Report.

Jong Sok Kim, Byeong Chul Seo, Young Jin Kim, Young Joon Jun

Department of Plastic Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea. psdoc@korea.com

Abstract

PURPOSE
Paragonimiasis is infectious disease occurred by Paragonimus Westermani, which invades into human body as a final host. Habitual eating the freshwater crab or crawfish unboiled is one of the reason of infection. Paragonimiasis raged in 1970s in Korea, Japan, China and other Asian countries but the incidence decreased rapidly. Once people eat infected second host, parasite penetrates the duodenal wall and migrates to the lung. During this migration period, the parasite can migrate to other organ, such as brain, spinal cord, liver and subcutaneous tissue, but the cases are rarely reported. The objective of our study is to present our experience of the ectopic migration of parasite to the subcutaneous tissue of the abdomen, which was easily treated with excision and Praziquantel medication. METHODS: A 59-year-old woman who likes eating unboiled freshwater crab was diagnosed as Paragonimiasis 15 months ago. Her symptoms were fever and cough, and she was treated with Praziquantel medication. 3 months after discharge, she visited our hospital with left pleuritic chest pain, cough with fever, and palpable mass formation on left lower quadrant of the abdomen. Wedge resection of the left lung and Praziquantel medication was maintained for a week. Nevertheless, fever persisted after the treatment. The patient received total excision of the abdominal soft tissue mass, and the fever was relieved.
RESULTS
Pathologic findings of the mass showed multiple cyst and abscess formation with crystal structure which is suspicious parts of the parasite or calcified egg shells. Uncontrolled fever was relieved after the operation, and there was no evidence of recurrent Paragonimiasis and ectopic migration for 1 year follow up period.
CONCLUSION
Ectopic migration of Paragonimus is rare, but multiple organ can be involved. Patient with Paragominiasis who was refractory in fever control after Praziquantel medication or surgical evaluation of the lung should be considered as ectopic migration of the Paragonimiasis.

Keywords: Paragonimiasis; Subcutaneous Tissue

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