Case report: Echinococcus disease of the bone presenting as a femoral shaft nonunion
Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY 10021, USA. Clinical Orthopaedics and Related Research
(Impact Factor: 2.77).
06/2007; 458(458):220-5. DOI: 10.1097/BLO.0b013e31802ff823
Osseous hydatidosis (Echinococcus infection) is a rare parasitic bone infection that poses challenges in diagnosis and treatment. We present a novel case of osseous hydatidosis of the femoral shaft that was diagnosed at the time of surgery for a recalcitrant femoral shaft nonunion. We know of no reports of osseous hydatidosis presenting as a femoral shaft nonunion. A discussion of the challenges in diagnosis and treatment of osseous hydatidosis are discussed, and the literature on osseous hydatidosis is reviewed.
Available from: Abdolali Ebrahimi
- "Although the incidence of hydatid disease has decreased as a result of education and control measures, there are still foci of concern in South America and sporadic cases still occur in the United States, Europe, the Middle East, and Asia . Hydatid cysts may lie dormant in the bone for as long as 40 years and most skeletal hydatid cysts have been detected in adults. "
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ABSTRACT: Hydatid disease is common in many parts of the world, and causes considerable health and economic loss. This disease may develop in almost any part of the body.
Bone involvement is often asymptomatic, and its diagnosis is primarily based on radiographic findings. A whole body bone scan is able to show the extent and distribution of lesions.
We describe an unusual case of multifocal skeletal hydatosis and also explain the clinical and diagnostic points. We hope to stimulate a high index of suspicion among clinicians to facilitate early diagnosis and to consider this disease as a differential diagnosis in cases of multiple abnormal activity in bone scintigraphy especially among people in endemic areas.
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ABSTRACT: To document the hydatid cyst cases in the endemic Cukurova region of Turkey, by their involvement sites in the body, and discuss the clinical and morphological features of the cases with rare localization.
Archival materials of 153 hydatid cyst cases that were diagnosed in 2 different medical centers in Adana, Turkey Cukurova region between the years 2000-2006 were included in the study. Cases with rare localizations were reevaluated in terms of clinical and laboratory findings, and histopathological features. Involvement sites of the cases were documented, and cases with rare localizations are discussed.
The liver was the most common localization with 63 cases followed by lungs with 54 cases. Uncommon locations were spleen n=4, bone n=3, intraarterial n=1, ovary n=1, adrenal n=1, heart n=1, mesenteric n=2, retroperitoneal n=2, subcutaneous tissue n=4, breast n=3, intramuscular tissue n=4.
The diagnosis of hydatic cyst should be considered in patients with a cystic mass, who live or have lived in a geographic region that has a high risk for Echinococcus granulosus, or visited an endemic area.
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