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Year : 2015  |  Volume : 8  |  Issue : 1  |  Page : 78-80

Paraspinal hydatid cyst with unusual presentation: a case report

Department of Neurosurgery, Padmashree Dr. D. Y. Patil Medical College, Pimpri, Pune, India

Correspondence Address:
Sarang Gotecha
Resident MCh, Neurosurgery, Padmashree Dr. D. Y. Patil Hospital, Pimpri, Pune
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1687-7942.163417

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Hydatid disease is a zoonotic infection most commonly caused by Echinococcus granulosis. Primary hydatid cysts of the skeletal muscles are extremely rare. In this paper, we present a case in which a patient had a hydatid cyst in the paraspinal muscle. A 19 years old female patient presented with a painless swelling over the left side on the back for the last two months. On local examination, a solitary, firm, non tender well defined, non movable, oval swelling was present over the left paraspinal region from T12 -L3. Provisional diagnosis of hydatid cyst was made on ultrasonography. Magnetic Resonance imaging revealed a well defined ovoid lesion measuring 4.3 × 4.54 × 2.3cm within the left erector spinae muscle. Operative intervention was planned and preoperative albendazole therapy (15 mg/kg/day) was given for two weeks. Hydatid disease is caused by the larval form of Echinococcus granulosus, It is most frequently located in the liver (75%) and lungs (15%). Musculo-skeletal involvement is secondary and uncommon. Spinal and paraspinal involvement is rare, with an incidence of less than 1%. Investigations for diagnosis include Ultrasonography, Computed tomography, Magnetic Resonance Imaging and Serologic tests. Surgical removal is the most effective treatment of hydatid cyst. Therapy with nontoxic scolocidal agents or combination chemotherapy with mebendazole is of therapeutic value. Albendazole is suggested to be given post operatively. Primary paraspinal echinococcosis must be considered in the preoperative differential diagnosis of the atypical presentation of paraspinal lesions in countries where Echinococcus infestation is endemic. Early diagnosis and radical surgery combined with antihelminthic therapy of sufficient duration are mandatory for the treatment of this disease.

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