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    Percutaneous removal of a soft tissue cement leakage complicating a percutaneous vertebroplasty by the mean of a supple biopsy forceps
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    Percutaneous vertebroplasty is an effective treatment for aggressive vertebral hemangiomas, osteoporotic vertebral compression fractures, spinal metastases, and myelomas. As percutaneous vertebroplasty is more commonly performed to treat various forms of back pain, new or modified cements are being used. This review examines the physiochemical and biomechanical properties of various bone cements and additives.
    Percutaneous Vertebroplasty
    Bone cement
    Citations (66)
    Objective To summarize the clinical methods and effectiveness of percutaneous vertebroplaty.Methods Tweenty-two cases(25 vertebral bodies) with Osteoporotic vertebral compression fractures and vertebral tumors were treated by percutaneous vertebroplaty from August 2005 to August 2008.3~5 mL bone cement was injected after the puncture needle was inserted into the fractured vertebal body transpedicularly under C arm imaging guiding.Results Pain relieved of all patients was significantly different(P0.01) according to the VAS scale as compared with postoperation in the following day,the patients were allowed to get off bed.There was 1 patient with a small quantities of paravertebral leavages with no symptoms.Another patient had unknown psychological symptom,he was treated in psychological department and was discharged after 1 week with no symptons.Conclusions The techonical difficulty of percutaneous vertebroplaty is accurate accupuncture and in controle of timing of bone cement injection.The percutaneous vertebroplaty has wider applied future for cure of spinal diseases with the development of PVP and new type of fillings.
    Percutaneous Vertebroplasty
    Bone cement
    Citations (0)
    Objective To explore a feasible bile ductal biopsy approach to acquire appropriate specimen for accurate pathological diagnosis of the obstructive jaundice (OJ). Methods Seventy-one consecutive patients with OJ underwent transluminal forceps biopsy during percutaneous transhepatic cholangiography (PTC) and percutaneous transhepatic cholangiographic drainage (PTCD). Multiple specimens were obtained after passing the forceps into the lesion for pathological diagnosis. Statistical analysis was performed with the χ2 test and a P value less than 0.05 was considered to be statistically different. Results The specimens was acquired in 70 out of the 71 patients with forceps biopsy and the successful rate was 98.6%. The histopathological diagnosis was obtained in 63 patients and the positive rate of forceps biopsy was 88.7% (63/71). The sensitivity of forceps biopsy was significantly higher in the 50 patients with cholangiocarcinoma than in those 15 with malignant tumors other than cholangiocarcinoma (96.0% vs 60.0%, P0.05). Conclusions Biopsy during PTC is a simple technique of minimal invasion, no pain, high sensitivity and low occurring rate of complications.
    Percutaneous transhepatic cholangiography
    Percutaneous biopsy
    Obstructive jaundice
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    Percutaneous vertebroplasty is widely used as a treatment for painful osteoporotic compression fractures and malignant osteolytic tumors. Although the procedure appears to provide dramatic pain relief promote life quality but also with some complications. Additional adjacent vertebral body fracture are frequently reported after vertebroplasty but the cause relationship between the procedure and new-onset vertebral fracture remains unknown. New compression fractures following percutaneous vertebroplasty may not be a complication of the procedure itself, but rather as a part of the course of underlying pathology. The crucial point of discussion in this paper is whether vertebroplasty predisposes the development of additional vertebral fractures, at a rate higher than that seen in the absence of vertebroplasty, but no definitive answer to this question is yet to come. This review explores and attempts to comprehend the data both of supporting and refuting a relationship between vertebroplasty and the development of subsequent fractures.
    Percutaneous Vertebroplasty
    Vertebral Compression Fracture
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    The authors report their own experience with percutaneous vertebroplasty, one of the so called--minimally invasive methods, used to treat a certain group of spinal lesions affecting the vertebral bodies. The paper contains a brief review of the current literature, basic problems, indications and operative technique. The authors remark, that insertion of the needle into the vertebral body gives an access for biopsy before cement injection. This procedure was realised in the case of diagnostic uncertainty. Technical details of transpedicular biopsy are described. The authors present 2 representative cases.a female with pathologic fracture of the Th7 vertebral body of osteoporotic origin.combination of biopsy and vertebroplasty by percutaneous transpedicular approach. Second case: a female with cancer metastasis in L1 vertebral body, vertebroplasty was performed to support the anterior spinal column. Needle insertion was controlled either by radiofluoroscopy or by CT. The authors confirm pain relief related to vertebroplasty.
    Percutaneous Vertebroplasty
    Percutaneous biopsy
    Vertebral Compression Fracture
    Vertebral column
    Citations (1)
    Ultrasonography is increasingly the first-line investigation for the assessment of soft tissue masses. With increasing experience, most soft tissues masses, particularly superficial soft tissue masses, can be specifically labeled based on their ultrasonographic appearances. This diagnosis is based on a conundrum of clinical and ultrasonographic findings rather than resting on a single sign alone. One should try to minimize labeling the ultrasonographic appearances as "nonspecific" because this adds little to what is already known. Putting a specific label on a soft tissue mass such as a lipoma, nerve sheath tumor, or giant cell tumor of tendon sheath minimizes the need for percutaneous biopsy, greatly enhances clinical efficiency with regard to discussions on management and outcome, as well as immediately reduces patient anxiety with regard to the presence of malignancy. This article addresses the general approach to ultrasonography of soft issue masses, highlighting in particular the common pitfalls encountered in their diagnosis.
    Percutaneous biopsy
    Citations (27)
    Objective To study the key technique and therapeutic effect of percutaneous vertebroplasty (PVP). Methods Forty-four patients with 57 vertebrae underwent PVP, including 13 osteoporotic vertebral compression fractures (VCFs) in 12 cases and 44 vertebral tumors in 32 cases. Intraosseous venography was performed followed by injecting bone cement under the fluoroscopy. The score of visual analogue scale point (VAS) (10-point scale) before vertebroplasty, 24 hours, one week and one month after vertebroplasty was recorded respectively. Result of pain relief and complications were observed. Results The procedure was technically successful in all patients. The amount of bone cement injected in each vertebra of patients with VCFs was in average (5.2±1.3) ml, while in patients with vertebral tumors was (5.1±1.2) ml. There was no significant difference between the two groups (P0.05). The overall rate of pain relief was 93.2% after 30 days of the operation. There are significant differences among the score of VAS with different time points (P0.05). The score of VAS after vertebroplasty in patients with VCFs was lower than patients with tumors (P0.05). No further or new vertebral compression occurred in all patients during the follow-up of 1-12 months. No major complications occurred in this series, except asymptoamic bone cement leaking around vertebrae. Conclusion PVP could provide significant pain reduction and vertebral strengthening in the treatment of patient with different vertebral disease. The effect of pain relief was not related to the amount of bone cement injected. Patients with osteoporotic VCFs have better therapeutic effect than patients with vertebral tumors. Adopting proper puncture technique, using pretreatment intraosseous venography and injecting bone cement reasonably under fluoroscopy were the key techniques to improve success rate of operation and prevent complications of PVP.
    Percutaneous Vertebroplasty
    Vertebral Compression Fracture
    Bone cement
    Vertebra
    Citations (0)
    Objective:To describe the technique and method for percutaneous polymethylmethacrylate(PMMA)vertebroplasty and to evaluate the biomechanical stability of osteoporosis vertebroplasty. Methods:Five cadaveric thoracolumbar spines were harvested and 10 vertebrae were selected randomly.Under C X ray control,percutaneous puncture via a transpedicular approach followed by injection of PMMA was done and then the capacity and thickness of PMMA distribution were recorded.The vertebral bodies of ten cases of osteoporosis depress fracture were compressed after vertebroplasty,and the strength and stiffness were measured.Results:The procedure was technically successful in all specimens,with an average injection amount of 8ml PMMA per vertebral body.PMMA was distributed all over the vertebrae.The strength and stiffness of osteoporosis vertebral bodies had increased from 2197±355N(stiffness,499+86N/mm) to 4861±1109N (stiffness,1128±175N/mm).Conclusion: Percutaneous PMMA vertebroplasty is a valuable clinical therapeutic method in spine osteoporosis depresses fracture.
    Percutaneous Vertebroplasty
    Cadaveric spasm
    Vertebral Compression Fracture
    Citations (0)