2022, Cilt 52, Sayı 3, Sayfa(lar) 223-231 |
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Use of Indirect Hemagglutination Test in the Diagnosis of Cystic Echinococcosis: Two Years of Retrospective Laboratory Experience |
Özlem Ulusan Bağcı, Bayram Pektaş, Ayşegül Aksoy Gökmen, Selçuk Kaya |
İzmir Kâtip Çelebi Üniversitesi, Atatürk Eğitim ve Araştırma Hastanesi, Tıbbi Mikrobiyoloji Laboratuvarı, İzmir, Türkiye |
Keywords: Cystic echinococcosis (CE), Indirect hemagglutination test (IHA), seropositivity |
Objective: Cystic echinococcosis (CE) is a zoonotic disease caused by Echinococcus granulosus from the cestode
class. In our study, it was aimed to retrospectively evaluate the CE Indirect Hemagglutination Test (IHA) results
of patients whose serum samples were sent to our laboratory between January 2020 and December 2021.
Methods: A commercial kit (Hydatidose, Fumouze laboratoires, France) is used for the diagnosis of CE in our
laboratory. Demographic information, clinical findings, serology and radiology results of the patients were
evaluated together.
Results: The antibody titer of 14.12% of the patients was found to be 1/320 and above. Cysts were detected in
the radiology of 73 of 75 patients with positive IHA test, and CE-specific findings were reported in 58 of them.
Seropositivity was found to be higher in males (14.81%) than females (13.65%). The highest percentage of
positivity was in the 20-29 age group. Most of the cysts were localized in the liver (87.67%) and multi-organ
cysts were detected in seven patients. Cysts were detected in the radiology of 36 of 43 patients with an antibody
titer of 1/80-1/160 in IHA, and 28 of these cysts were reported to have CE-specific findings.
Conclusions: The percentage of seropositivity detected in our study was found to be compatible with the results
reported from other centers in our country. The presence of cysts compatible with CE in the radiological imaging
of patients with antibody titers below the threshold value suggests that it would be useful to provide these
values in the final report for the diagnosis and follow-up.
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