Paragonimiasis in the Abdominal Cavity and Subcutaneous Tissue: Report of 3 Cases

Lee, Chang Ho; Moon, Woo Sung; Lee, Min Ro

doi:10.3347/kjp.2012.50.4.345

Cited by 20 publications

(10 citation statements)

References 6 publications

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“…When humans are infected, metacercariae can pass through the intestinal wall into the peritoneal cavity and through the diaphragm into the pleural cavity, eventually ending up in the lung parenchyma and finally grow into adult flukes[9]. On its journey to the lungs, the parasite can reach other locations of the body such as the brain, abdomen, skin, heart, and subcutaneous tissues[10]. The primary site of parasitic infection is the lung.…”

Section: Discussionmentioning

confidence: 99%

Simultaneous Paragonimus infection involving the breast and lung: A case report

Oh¹,

Chu²,

Park³

et al. 2019

WJCC

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BACKGROUNDParagonimiasis is a food-borne parasitic infection caused by lung flukes of the genus Paragonimus. Although the most common site of infection is the pleuropulmonary area, the parasite can also reach other parts of the body on its journey from the intestines to the lungs, ending up in locations such as the brain, abdomen, skin, and subcutaneous tissues. Ectopic paragonimiasis is difficult to diagnose due to the rarity of this disease.CASE SUMMARYHere, we report a rare case of simultaneous breast and pulmonary paragonimiasis in a woman presenting painless breast mass and lung nodule with a history of eating raw trout. To confirm the diagnosis, serologic testing and tissue confirmation of the breast mass were performed. The patient was treated with surgical resection of the mass and praziquantel medication.CONCLUSIONEctopic paragonimiasis is difficult to diagnose due to the rarity of this disease. Thus, thorough history-taking and clinical suspicion of parasitic infection are important.

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Section: Discussionmentioning

confidence: 99%

Simultaneous Paragonimus infection involving the breast and lung: A case report

Oh¹,

Chu²,

Park³

et al. 2019

WJCC

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“…To the best of our knowledge, no report has been published regarding MRI findings of subcutaneous paragonimiasis in combination with histopathological examinations, although one case of subcutaneous paragonimiasis with a CT scan suggesting a localized abscess on the lower back has been reported [ 8 ]. On the other hand, MRI findings of liver and brain paragonimiasis have been reported, showing cystic lesions with low intensity signal in T1WI imaging and high intensity signal in T2WI imaging [ 9 , 10 ].…”

Section: Discussionmentioning

confidence: 99%

Cutaneous paragonimiasis due to triploid Paragonimus westermani presenting as a non-migratory subcutaneous nodule: a case report

et al. 2014

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IntroductionParagonimiasis is a food-borne infection caused by Paragonimus parasites. The lungs and pleura are the primary sites for the infection; however, ectopic infection can occur in other organs such as skin, liver and brain. It is difficult to make a diagnosis of ectopic paragonimiasis due to an ignorance of, and unfamiliarity with the disease. We report the case of a patient with subcutaneous paragonimiasis diagnosed by histopathological analysis and serological testing.Case presentationA 39-year-old Chinese immigrant woman presented with a subcutaneous nodule in her left lower back. The nodule was initially suspected of lipoma and she was followed up on without any treatment. However, it gradually indurated and the nodule was resected surgically. A magnetic resonance imaging scan revealed a polycystic lesion with inhomogeneous low or high intensity on T1- or T2-weighted images, respectively. The rim of the lesion was enhanced after contrast enhancement, but the inside did not show high-signal intensity. A histological analysis of the surgically resected specimen revealed variable-sized tubulo-cystic structures. The cyst wall showed a granulomatous change with scant eosinophilic infiltration. A number of parasite ova were observed in the necrotic tissue inside the cysts, and a parasite body with a presumed oral sucker and reproductive organ was also detected, suggesting a trematode infection. A subsequent serological examination showed a positive reaction of her serum to the Paragonimus westermani antigen. No abnormal findings were found on her chest computed tomography scan. The diagnosis of subcutaneous paragonimiasis caused by Paragonimus westermani was made.ConclusionsWe report a case presenting only as a non-migratory subcutaneous nodule without any pleuropulmonary lesion, which was initially suspected of lipoma but denied by magnetic resonance imaging scan results. The case was subsequently diagnosed as subcutaneous paragonimiasis from the results of histopathological analysis and serological testing.

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“…Fortunately, the microscopic appearances were typical of the lesional paragonimus ova which were illustrated in the original paper that followed its discovery [14] (Figure 1). In this context, it is enough to discover that both the worm diseases and non-specific inflammation were found to coexist [21]. We are persuaded that it would have necessitated serial sections to show one focus or more in which both lesions featured close together!…”

Section: Journal Of Medical Diagnostic Methodsmentioning

confidence: 99%

Clinical Suspicion of Abdominal Paragonimiasis was Confirmed after Emergency Laparotomy Together with Unfolding of Coexisting Endometriosis

WIB¹

2016

J Med Diagn Meth

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The present study reports a human case of paragonimiasis which coexisted with endometriosis, leiomyoma and salpingitis in Nigeria. A 28-year-old woman from the Igbo ethnic group presented with acute colicky abdominal symptoms at a hinterland Missionary Hospital. Therefore, emergency laparotomy was carried out. This revealed uterine fibroids and dense lesions between the pelvic organs. There were nodules attached to the mesenteric border of the ileum. Biopsy from several sites was performed. The individually labeled samples were received at a Reference Pathology Laboratory where paragonimiasis, endometriosis, leiomyomata and salpingitis were diagnosed. The patient's immediate post-operative recovery status was uneventful until she was lost to follow up.

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Paragonimiasis in the Abdominal Cavity and Subcutaneous Tissue: Report of 3 Cases

Cited by 20 publications

References 6 publications

Simultaneous Paragonimus infection involving the breast and lung: A case report

Simultaneous Paragonimus infection involving the breast and lung: A case report

Cutaneous paragonimiasis due to triploid Paragonimus westermani presenting as a non-migratory subcutaneous nodule: a case report

Clinical Suspicion of Abdominal Paragonimiasis was Confirmed after Emergency Laparotomy Together with Unfolding of Coexisting Endometriosis

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