Alveolar Echinococcosis of Liver: A Diagnostic Problem in a Nonendemic Area

Madhusudhan, Kumble Seetharama; Srivastava, Deep Narayan; Dash, Nihar Ranjan; Venuthurimilli, Arun; Sharma, Raju; Gamanagatti, Shivanand; Gupta, Arun Kumar

doi:10.1067/j.cpradiol.2014.08.006

Cited by 5 publications

(3 citation statements)

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“…Furthermore, a pathologist should be familiar with the lesion’s histopathological properties. One case report showed that inflammatory pseudotumor was considered in the differential diagnosis of an AE case, and ultrasound-guided FNAB and core biopsy (taken twice) failed to make the diagnosis [ 19 ]. With respect to our findings, in pathological evaluation, the visualization of PAS+ membrane structures of parasitic origin in tissue sections is the most important diagnostic criterion.…”

Section: Discussionmentioning

confidence: 99%

“…Hence, to make an accurate and definitive diagnosis, biopsy material should contain parasitic tissues. Accordingly, the reason for not being able to make a diagnosis with percutaneous biopsy in the above-mentioned case report of Madhusudhan et al [ 19 ] might have been the fact that the material obtained by sampling did not contain parasitic membrane tissues but only perilesional fibroinflammatory tissues.…”

Section: Discussionmentioning

confidence: 99%

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Efficacy of ultrasound-guided core-needle biopsy in the diagnosis of hepatic alveolar echinococcosis: a retrospective analysis

et al. 2016

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Background: This study retrospectively analyzed the clinical data, laboratory results, imaging findings, and histopathological features of 28 patients who underwent ultrasound-guided core-needle biopsy from a hepatic lesion and were diagnosed with alveolar echinococcosis. Results: Among 28 patients included in the study, 16 were females and 12 were males. The mean age of the studied population was 53 ± 16 years, and the age range was 18–79 years. The most common presenting symptom was abdominal pain, which was observed in 14 patients. A total of 36 lesions were detected in the patients’ livers, out of which 7 had a cystic appearance. Hepatic vascular involvement, bile duct involvement, and other organ involvement were depicted in 14, 5, and 7 patients, respectively. The average number of cores taken from the lesions was 2.7, ranging between 2 and 5. In histopathological evaluation, PAS+ parasitic membrane structures were visualized on a necrotic background in all cases. Regarding seven patients, who were operated, the pathological findings of preoperative percutaneous biopsies were in perfect agreement with the pathological examinations after surgical resections. None of the patients developed major complications after biopsy. Conclusion: Ultrasound-guided core-needle biopsy is a minimally invasive, reliable, and effective diagnostic tool for the definitive diagnosis of hepatic alveolar echinococcosis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Efficacy of ultrasound-guided core-needle biopsy in the diagnosis of hepatic alveolar echinococcosis: a retrospective analysis

et al. 2016

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“…Alveolar hydatid disease is limited to northern hemisphere with most of the cases reported from China [1,2,3]. Only few cases have been reported from India till date [4,5,6]. We present a rare series of six cases of pathologically proven alveolar hydatid disease from Kashmir re-gion of North India with review of imaging findings.…”

Section: Introductionmentioning

confidence: 98%

Primary Alveolar Hydatid Disease: A Rare Case Series with Review of Imaging Findings

et al. 2020

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Alveolar hydatid disease is a rare but potentially fatal parasitic infection caused by Echinococcus multilocularis. To the best of our knowledge, only few cases have been reported from India till date. We present 6 cases of pathologically proven alveolar hydatid disease with review of imaging findings. The objective of this case series was to share our experiences of pitfalls in diagnosis of alveolar hydatid disease. Materials and Methods. The study was conducted in Post Graduate Department of Radiodiagnosis and Imaging, Government Medical College, Srinagar, Jammu and Kashmir. Our study was conducted between 6th January 2017 to 22nd May 2019. A total of 6 patients were taken up for study. The patients were evaluated clinically and investigated using the relevant imaging modalities. Diagnosis was confirmed by histopathologic examination following core biopsy of lesion. Results. There were two males and four females with most of patients in age group of 20 to 40 years. Imaging findings in our cases suggest that typical radiological appearance of alveolar hydatid disease can be summarized as an irregular hypoattenuating mass lesion having typical calcifications (can be peripheral, as well as central) with tiny cystic components.

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