Clinical and imaging features of giant cysticercosis of the hip joint:a case report and literature review
Objective To report one case of giant cystic disease of the hip joint and review literature on 17 cases,and to explore the clinical imaging characteristics of bone and joint cysticercosis.Methods The clinical imaging characteristics of a case of right hip giant cystic hydatid disease complicated with pathological fractures and hip subluxation caused by the larvae of echinococcus granulosus in our hospital was introduced and analyzed.Retrieve Chinese and English databases,including the location of the disease,imaging features,and epidemiological features,and analyze the retrieved literature.Results Hip joint hydatid cyst was misdiagnosed as bone and joint tuberculosis and malignant bone tumor without characteristic features on X-ray and CT,respectively.MRI showed typical multi cystic and multi locular structures(including mother's and daughter's cysts),and the T2W signal of the daughter's cyst was higher than that of the mother's cyst.CTA and MRA both showed blood supply from the right internal iliac artery and embedding of distal blood vessels.Seven articles were retrieved from 17 cases,including one case in this article,totaling 18 cases.Among the 18 cases of bone and joint hydatidosis,15 cases showed cystic expansive bone destruction,2 cases showed worm-like and honeycomb-like bone destruction,1 case showed grape-like bone destruction,14 cases showed small cysts in the cysts,14 cases showed no periosteal reaction,and 4 cases showed mild periosteal reaction.Conclusions MRI has certain imaging features for bone and joint hydatid cysts.Combined with epidemiological history,clinical manifestations,and serum IgG and IgM antibody tests(serum hydatid test),a clear diagnosis can be made.
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