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izvor podataka: crosbi

Surgical evaluation of magnetic resonance imaging findings in piriformis muscle syndrome (CROSBI ID 182002)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Pećina, Hrvoje Ivan ; Borić, Igor ; Smoljanović, Tomislav ; Duvančić, Davor ; Pećina, Marko Surgical evaluation of magnetic resonance imaging findings in piriformis muscle syndrome // Skeletal radiology, 37 (2008), 11; 1019-1023. doi: 10.1007/s00256-008-0538-0

Podaci o odgovornosti

Pećina, Hrvoje Ivan ; Borić, Igor ; Smoljanović, Tomislav ; Duvančić, Davor ; Pećina, Marko

engleski

Surgical evaluation of magnetic resonance imaging findings in piriformis muscle syndrome

The objective of this study was to evaluate the accuracy of magnetic resonance imaging (MRI) in the diagnosis of the piriformis muscle syndrome (PMS). In ten patients, seven female and three male, with a long history of clinical symptoms of the PMS, an MRI was performed as the last preoperative diagnostic tool. All patients were imaged using 2T MR system (Elscint, Haifa, Israel). Axial and coronal spin-echo, fast spin-echo (FSE), and fat-suppressed FSE-weighted images were made through the pelvic region with 3-mm section thickness and a 0.5-mm gap to show the whole piriformis muscle and the course of sciatic nerve on its way out of the pelvis. A routine examination also included axial fast spin-echo T2, three-dimensional gradient echo. In seven cases, an MRI abnormality for the PMS was found. In two women, the MRI demonstrated a bigastric appearance of the piriformis muscle with a tendinous portion between the muscle heads and the course of the common peroneal nerve through the muscle between the tendinous portions of the muscle. In one female patient, the common peroneal nerve passed through the hypertrophied piriformis muscle. In four patients, the MRI showed a hypertrophied aspect of the piriformis muscle and an anteriorly displaced sciatic nerve. All MRI findings were confirmed surgically. In three patients, no apparent abnormalities could be observed, but after a surgical treatment, i.e., a tenotomy of the piriformis muscle and neurolysis of the sciatic nerve, all symptoms disappeared. In piriformis muscle syndrome, MRI may demonstrate signal abnormalities of the sciatic nerve as well as its relationship with the normal and abnormal piriformis muscle.

piriformis muscle syndrome; MRI

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Podaci o izdanju

37 (11)

2008.

1019-1023

objavljeno

0364-2348

10.1007/s00256-008-0538-0

Povezanost rada

Kliničke medicinske znanosti

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