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Query: UMLS:C0030193 (pain)
 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This is a report of a 70-year-old patient with spontaneous pain of the dorsum area of the left foot. A few days later there was a sudden onset of foot drop. First, an idiopathic peroneal palsy was assessed but an MRI showed a cystic tumour near the fibular head. These findings resulted in the patient attending our clinic for surgical treatment. During the operation we found an intraneural ganglion of the deep peroneal nerve and the common peroneal nerve. There was no connection with the superior tibiofibular joint. The ganglion was therefore removed. Two months after the operation the patient reported an improvement of the pain but no improvement of movement of the foot. An intraneural ganglion of the peroneal nerve derives from the superior tibiofibular joint. Given access to the articular branch, the cyst typically spreads out proximally from the deep peroneal nerve to the common peroneal nerve and to the point of the sciatic nerve. The clinical symptoms are correlated with the extent of cyst propagation. Recommended therapy would include the ligation of the aricular branch, or synovectomy, or resection of the superior tibiofibular joint and decompression of the cyst.
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PMID:[Intraneural ganglion of the peroneal nerve. A case report]. 2039 26

A 59-year-old man was diagnosed with IgA-kappa multiple myeloma in October 2005. He was treated with 4 courses of VAD and autologous peripheral blood stem cell transplantation (auto-PBSCT) after 200 mg/m(2) melphalan in September 2006, followed by a second auto-PBSCT after 200 mg/m(2) melphalan in February 2007. However, he did not achieve a very good partial response (VGPR). Laboratory examinations showed increased serum IgA level and renal dysfunction gradually progressed. Bortezomib was then started at a dose of 1.3 mg/m(2) in November 2008. After three cycles of bortezomib, the patient developed numbness, pain and weakness of his upper and lower extremities. The sensation of position and vibration was diminished in the fingers and toes. He developed left foot drop and gait disturbance due to left peroneal nerve palsy. Autonomic dysfunction such as orthostatic hypotension and urinary retention also occurred. Nerve conduction studies showed severe sensorimotor polyneuropathy particularly in the lower extremities. He developed grade 4 motor neuropathy and severe painful neuralgia. Six months after the cessation of bortezomib, these symptoms gradually improved and he was able to walk with support and discharged. Close monitoring of neurological symptoms and prompt dose-reduction or cessation of bortezomib are important to prevent the progression of irreversible peripheral neuropathy.
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PMID:[Severe bortezomib-induced peripheral neuropathy in a patient with multiple myeloma]. 2046 23

This article presents 2 cases of foot drop after joint replacement surgery that presented after sequential compression device application. In both cases, intact peroneal nerve function was documented by the surgeon in the recovery room prior to sequential compression device application. We believe that excessive pressure over the superficial aspect of the peroneal nerve in conjunction with decreased pain stimulus from analgesia may have contributed to these complications. We maintain sequential compression devices are the current mechanical thromboprophylaxis of choice; however, 4 recommendations are made to minimize the chances of this potential complication. First, precise attention should be given to patients who are short statured, as these patients can be more susceptible to having a sequential compression device improperly placed over the peroneal nerve at the fibular neck. Second, we recommend different size options become more widely available to accommodate varying patient sizes such that placement of the device is ensured to be distal to the fibular neck. Third, when using sequential compression device brands that have hook and look fastener straps, the straps should not be tight on application and frequent skin checks should be made to look for signs of over-compression. Lastly, we recommend considering delaying postoperative application of the sequential compression device until resolution of sensation following spinal or epidural anesthetic.
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PMID:Sequential compression device may cause peroneal nerve palsy. 2080 58

Management of footdrop in severe Charcot-Marie-Tooth (CMT) patients is a challenge owing to the combination of quadriceps muscle weakness, distal muscular atrophy, sensory impairment and poor soft tissue resistance to the placement of an orthotic device. We present a case study of a patient who gradually became unable to use his ankle-foot orthoses because they hampered the compensative movements required to stabilize his knees passively and caused pain. The aim of this report is to describe orthotic management in such a severe CMT case and to present a new orthotic device that we devised for the footdrop in this patient. We provided him with 3 different footdrop devices, each of which was highly elastic to allow knee hyperextension, and left him free to decide which one to use: 1) the silicone-ankle-foot orthoses were rapidly discarded because of pain; 2) the Codivilla support was not used because of discomfort and poor aesthetic appearance; 3) a new device, called the "Soft Footdrop Insert" (SFI), consisting of a sheet of Veolform, a reticulated polyolephinic foam, stuck to the counter of midcalf boots, was found to be effective, comfortable, pain-free and aesthetically acceptable, and was consequently used the vast majority of the time. At a 3-year follow-up, an instrumental gait analysis, in which ordinary shoes were compared with the Codivilla support and the SFI, revealed that both the Codivilla support and the SFI controlled footdrop more effectively than ordinary shoes and increased swing and mean velocity; in addition, the SFI yielded the best gait performances. We think that a soft, invisible device, such as the SFI, may satisfy the needs of CMT patients and improve compliance with orthoses-wearing for footdrop.
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PMID:Gait analysis in a patient with severe Charcot-Marie-Tooth disease: a case study with a new orthotic device for footdrop. 2092 1

Seven children with sciatic neuropathy associated with an underlying neoplasm are reported. Clinical presentation, electrophysiological data, imaging, pathology, and/or autopsy results are described. Pain and weakness, primarily foot drop, were the most common presenting symptoms. The mechanism of sciatic neuropathy was varied and included: nerve infiltration by the adjacent neoplasm (neuroblastoma, rhabdomyosarcoma, and leukemic or lymphomatous infiltration); an expanding, intrinsic neurogenic tumor (perineurioma); or intraoperative stretch injury (osteosarcoma resection). The prognosis for sciatic nerve recovery was good among children who survived their associated cancer. Three children died from the cancer or complications of treatment. One child with perineurioma remained clinically stable, and two children improved after treatment of their neoplasm.
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PMID:Pediatric sciatic neuropathy associated with neoplasms. 2125 82

We retrospectively evaluated 488 percutaneous pedicle screws in 110 consecutive patients that had undergone minimally invasive transforaminal lumbar interbody fusion (MITLIF) to determine the incidence of pedicle screw misplacement and its relevant risk factors. Screw placements were classified based on postoperative computed tomographic findings as "correct", "cortical encroachment" or as "frank penetration". Age, gender, body mass index, bone mineral density, diagnosis, operation time, estimated blood loss (EBL), level of fusion, surgeon's position, spinal alignment, quality/quantity of multifidus muscle, and depth to screw entry point were considered to be demographic and anatomical variables capable of affecting pedicle screw placement. Pedicle dimensions, facet joint arthritis, screw location (ipsilateral or contralateral), screw length, screw diameter, and screw trajectory angle were regarded as screw-related variables. Logistic regression analysis was conducted to examine relations between these variables and the correctness of screw placement. The incidence of cortical encroachment was 12.5% (61 screws), and frank penetration was found for 54 (11.1%) screws. Two patients (0.4%) with medial penetration underwent revision for unbearable radicular pain and foot drop, respectively. The odds ratios of significant risk factors for pedicle screw misplacement were 3.373 (95% CI 1.095-10.391) for obesity, 1.141 (95% CI 1.024-1.271) for pedicle convergent angle, 1.013 (95% CI 1.006-1.065) for EBL >400 cc, and 1.003 (95% CI 1.000-1.006) for cross-sectional area of multifidus muscle. Although percutaneous insertion of pedicle screws was performed safely during MITLIF, several risk factors should be considered to improve placement accuracy.
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PMID:Factors affecting the accurate placement of percutaneous pedicle screws during minimally invasive transforaminal lumbar interbody fusion. 2172 Jul 27

Lower extremity neurologic symptoms are a common presenting problem. Here we report the case of a 73-year-old man who developed acute right foot pain and foot drop. History, physical examination, and electrodiagnostic studies were consistent with a lumbosacral plexopathy. Imaging studies revealed an internal iliac artery pseudoaneurysm, a rare cause of acute foot drop.
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PMID:An unusual case of acute foot drop caused by a pseudoaneurysm. 2181 9

The rapid rise in the incidence of failed metal-on-metal hip articulations in recent years has led to many patients requiring complex revision surgery. These failed metal prostheses may produce local metallic debris, which promotes both local and systemic adverse effects. We report an unusual case of failed metal-on-metal resurfacing hip arthroplasty presenting with ipsilateral buttock pain and foot drop 6 months after surgery. After thorough investigations, the metal-on-metal bearing was revised to a metal-on-polyethylene total hip replacement. This resulted in marked improvement in the systemic symptoms, inflammatory marke and metal ion levels postoperatively. However, neither clinical nor neurophysiological sciatic nerve recovery followed. The patient eventually required tendon transfer surgery for her persistent foot drop.
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PMID:Delayed sciatic nerve palsy following resurfacing hip arthroplasty caused by metal debris. 2315 77

The aim of this case report is to describe an unusual case, where rhabdomyolysis was completely confined to both anterior tibial muscles, with sparing of the posterior compartments (no involvement of gastrocnemii). The patient had undergone a 3 h craniotomy and was weaned from ventilator support on postoperative day 1. All haemodynamic and vital parameters were within normal limits. However, severe pain (8/10 on the visual analogue scale) was felt in lateral-anterior tibial compartments bilaterally; creatine kinase (CK) value was found to be abnormally high. An MRI of both tibial regions was performed, that showed very particular findings. The patient complained of foot drop and pain worsening during standing; he recovered completely within 2 months following the surgery, with serum CK dropping considerably within this period.
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PMID:Postoperative rhabdomyolysis: a completely localised and symmetrical phenomenon? 2323 Feb 45

Ankle sprain is only rarely reported as the cause of peroneal nerve palsy and occurs predominantly in adults. Peroneal nerve palsy following an ankle sprain is extremely rare in children. Furthermore, peroneal nerve palsy most commonly results from a severe ankle sprain with considerable pain and edema. Peroneal nerve palsy after minor ankle torsion without major clinical symptoms of ankle sprain is uncommon. Here, we report the case of a 9-year-old boy who developed right peroneal neuropathy, leading to foot drop, following minor ankle plantar flexion/inversion torsion. Electrophysiological findings confirmed a focal neuropathy around the fibular head. The neurologic symptoms resolved completely 4 months after the injury. This case emphasizes that peroneal neuropathy can occur after minor ankle torsion without evident ankle sprain symptoms. Moreover, electrophysiological evaluation is very helpful to confirm the diagnosis and is important for prognostic evaluation.
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PMID:Delayed onset of peroneal neuropathy after minor ankle torsion in a 9-year-old boy. 2343 81


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