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DOI: 10.1055/s-2007-973822
© Georg Thieme Verlag KG Stuttgart · New York
Cauda Equina Syndrome Caused by Primary Lumbosacral and Pelvic Hydatid Cyst: A Case Report
Publikationsverlauf
Publikationsdatum:
05. Dezember 2007 (online)
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Abstract
Introduction: Hydatid disease occurs in humans as a result of faeco-oral contamination and spinal echinococcosis is rare even in areas where echinococcosis is endemic. Hydatid cyst primarily occurs in the liver and lungs. Bone involvement constitutes only 0.5-2% of all hydatidoses. About half of the bone involvement occurs in vertebrae. The thoracic spine is the most common site of the spinal hydatidosis. Primary hydatid cysts of the lumbar and sacral spinal canal are very rare.
Case Report: We present a 31-year-old man with cauda equina syndrome caused by a primary hydatid cyst of the lumbosacral and pelvic areas. He had been admitted to hospital with left foot and low back pain three years ago. Magnetic resonance imaging revealed an intraspinal hydatid cyst extending from L2 to S2. The cyst had been totally removed. He was symptom-free for three years. After three years, he presented with acute cauda equina syndrome. His neurological examination revealed total plegia of dorsal flexion of the left foot and perianal hypoaesthesia. MRI showed lumbosacral and pelvic hydatidosis again. After total removal of the cyst, his neurological status revealed immediately relief.
Discussion: Hydatid cyst is an important health problem in some countries including Turkey. Bone involvement is seen in only 0.5-2% of cases. Furthermore sacral and lumber vertebral involvement is extremely rare. We presented a case with a spinal hydatid cyst which classified as a combination of intraspinal extradural, vertebral and paravertebral forms according to the Braitwate and Lees classification. Surgical excision and additional medical treatment is still the most effective treatment. Cysts located intraspinally have a tendency to rupture spontaneously. For this reason the high recurrence rate (30- 40%) is still a major problem in management.
Key words
hydatid cyst - cauda equina - lumbosacral
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Correspondence
Dr. Ö. Günaldi
Siyavuşpaşa Mah.
Namık KemalCad. No:22 D:8
Bahçelievler
Istanbul
Turkey
Telefon: +90/212/543 65 65
Fax: +90/212/543 86 67
eMail: gunaldi@mynet.com