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Ghodratolah Maddah, Hossein Shabahang, Reza Sharifi Noghabi,
Volume 71, Issue 8 (11-2013)

Background: Hydatid disease or echinococcosis is a common parasitic disease of human and bovine, caused by infection with larva of the cestode echinococcus. Liver is the most common organ that is involved in this disease. Pelvic involvement and neurological symptoms, due to mass effect of pelvic involvement, in lower extremities are very uncommon manifestations of the disease.
Case presentation: A forty six year old man was referred to clinic of surgery at Ghaem Hospital, Medical University of Mashhad, Iran. The patient complained about weakness and motor impairment in right lower extremity accompanied by numbness and radicular pain over past two months. Physical examination demonstrated muscular atrophy and reduced muscular strength in right lower extremity. Computed tomography and ultrasonographic studies showed a cystic mass in right side of the pelvic cavity with extention to the sciatic notch and another cystic mass in right gluteal region. Surgical operation revealed a cystic mass deep in pelvic cavity with the extention to the right sciatic notch with compression of nerve roots. The cystic mass was contained of daughter cysts which confirmed the diagnosis of hydatid cyst disease. This diagnosis was confirmed by pathologic assessment.
Conclusion: Although uncommon, but hydatid disease can involve the pelvic cavity and make a pelvic, usually cystic, mass that can make compression on nerve roots and so making neurologic symptoms in lower extremities. So in endemic areas for hydatid disease, such as Iran, pelvic hydatid cysts should be considered as a possible differential diagnosis in patients presenting with the sciatic pain and neurological manifestations in whom a pelvic mass has been found too.

Hossein Mashhadinezhad , Babak Ganjeifar ,
Volume 73, Issue 3 (6-2015)

Background: Sciatic pain in association with lumbar disc herniation may require surgical intervention in the form of lumbar discectomy. Yet, the optimal time for this operation has not been specified in medical literature. Methods: In a Cross-sectional study, 147 patients (100 men and 47 women) with radiological and clinical signs of L4-L5 or L5-S1 disc herniation were entered to our registry prior to March 2009. They were all examined, diagnosed and operated on (lumbar discectomy) in Ghaem General Hospital, Mashhad, Iran. Patients were all subsequently followed for one year. The follow-up continued in a number of 126 cases, whose satisfaction was rated via phone interview for an extra year. The patients’ assessments were implemented employing three scaling systems, both before and following lumbar discectomy, to name the Modified Oswestry Disability Index (MODI), Visual Analogue Scale (VAS) and Prolo Functional Economic Outcome Rating Scale (PORS). The former two were used for pre-operative and post-operative assessments whereas the latter was applied during the first year of follow-up. The focus of the investigation during second year was on patients’ satisfaction. Results: Mean age of our cases were 34±7.4 years. According to the duration of the sciatica, patients were divided into 4 groups. <3 months, 3 to <6 month, 6 to <12 months and >12 months. Statistical analysis revealed a significant difference between patients having undergone lumber discectomy with a history of sciatica for less and more than three month before the operation in terms of pre-and post-operative visual Analogue Scale (P= 0.022). However, there could be found no such disparity in other clinical scores (P= 0.63 for MODI, P= 0.85 for Prolo scale and P= 0.73 for satisfaction). Conclusion: Patients with less than three months of sciatica may seem to enjoy a better clinical outcome after one year, there could be found no correlation between the duration of sciatica and the satisfaction after two years.

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