Acetabular Paralabral Cyst as a Rare Cause of Sciatica

Jones, H; Sarasin, S; Jones, Stephen A.; Mullaney, P. J.

doi:10.2106/jbjs.h.01318

Cited by 19 publications

(11 citation statements)

References 16 publications

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“…Therefore, there is a substantial probability that an acetabular paralabral cyst causes damage to the nerves that are located adjacent to the hip joint [2,10]. Acetabular paralabral cysts are generally not detected on plain radiography unlike fracture and dislocation of the hips.…”

Section: Discussionmentioning

confidence: 99%

Acetabular Paralabral Cyst as a Rare Cause of Obturator Neuropathy: A Case Report

et al. 2014

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An acetabular paralabral cyst is a benign soft tissue cyst usually seen in association with a tear of the acetabular labrum. Acetabular paralabral cysts are often the cause of joint pain, but they rarely cause compression of the adjacent neurovascular structures. We present a case of a 63-year-old male patient who had paresis and atrophy of right hip adductor muscles. Right obturator neuropathy was confirmed through an electrodiagnostic study. In addition, magnetic resonance imaging showed a paralabral cyst in the right acetabulum which extended to the pelvic wall. The patient underwent conservative treatment without surgical procedure. The pain was decreased after 1 month of conservative therapy. The pain was decreased at the 1-month follow-up. Follow-up electromyography showed polyphasic motor unit potentials in adductor magnus and adductor longus muscles. Based on the experience of this case, an acetabular paralabral cyst should be considered as one of the rare causes of obturator neuropathy.

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Section: Discussionmentioning

confidence: 99%

Acetabular Paralabral Cyst as a Rare Cause of Obturator Neuropathy: A Case Report

et al. 2014

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“…Reports of ganglion cysts around the hip joint are rare and have not been previously associated with acetabular fracture. Previous reports have been associated with mass effect and/or compression of neurovascular structures both anterior and posterior to the hip joint [5][6][7][8][9][10][11]. Another series of 6 ganglion cysts was reported in association with chronic tears of the acetabular labrum [12].…”

Section: Discussionmentioning

confidence: 99%

Ganglion Cyst Associated with a Displaced Transverse Acetabular Fracture: A Case Report

Davis¹

2014

Orthop Muscul Syst

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“…Sciatica is a common condition, affecting as many as 40% of adults at their lives [11] and continual sciatica can finally result in sciatic nerve palsy. Although sciatica is usually caused by lumber disc hernia and lumber canal stenosis, it is not often but we should consider the nondiscogenic sciatica, which can be categorized as either intrapelvic and extrapelvic [11].…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Although sciatica is usually caused by lumber disc hernia and lumber canal stenosis, it is not often but we should consider the nondiscogenic sciatica, which can be categorized as either intrapelvic and extrapelvic [11]. The causes of extrapelvic include aneurysms or pseudoaneurysms of gluteal artery [12-14], tumors [15], gluteal abscess [16], avulsion fracture of the ischial tuberosity [17], and paralabral cysts [11]. There are three ways by which tumor can influence the functional and structural integrity of nerve tissue; (1) the tumor can stretch the nerve trunk by pushing it without invading the sheath; (2) the tumor can compress or strangulate the nerve by engulfing it without genuine invasion of the sheath; (3) the tumor can perforate the nerve [10,18].…”

Section: Discussionmentioning

confidence: 99%

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Intraneural metastasis of gastric carcinoma leads to sciatic nerve palsy

et al. 2012

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BackgroundSoft tissue metastases, in particular intraneural metastasis, from any carcinomas seldom occur. To our knowledge, no case of sciatic nerve palsy due to intraneural metastasis of gastric carcinoma is reported in the literature.Case presentationA case is reported of a 82-year old woman with sciatic nerve palsy with intraneural metastasis of gastric carcinoma. Although she had undergone partial gastrectomy with T2b, N0, M0 two years ago and primary site was cured, she developed sciatic nerve palsy from the carcinoma metastasis directly to the nerve. Operative resection and Histological examination revealed poorly differentiated adenocarcinoma, the same as her primary site adenocarcinoma.ConclusionsSciatica is usually caused by a herniated disc or spinal canal stenosis. Sciatic nerve palsy may be caused by nondiscogenic etiologies that may be either intrapelvic or extrapelvic. It is important to image the entire course of the nerve to distinguish these etiologies quickly. The longer the nerve compression the less likely a palsy will recover. Surgery is a good intervention that simultaneously obtains a tissue diagnosis and decompresses the nerve.

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Acetabular Paralabral Cyst as a Rare Cause of Sciatica

Cited by 19 publications

References 16 publications

Acetabular Paralabral Cyst as a Rare Cause of Obturator Neuropathy: A Case Report

Acetabular Paralabral Cyst as a Rare Cause of Obturator Neuropathy: A Case Report

Ganglion Cyst Associated with a Displaced Transverse Acetabular Fracture: A Case Report

Intraneural metastasis of gastric carcinoma leads to sciatic nerve palsy

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