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At least 1,297 records · Page 72Linked to original sources
PubMed2000

Late presentation of ureteral injury after laparoscopic surgery.

OBJECTIVE: To describe clinical presentation, etiology, and treatment of ureteral injuries recognized late in women who had gynecologic laparoscopies. METHODS: We reviewed the charts of 12 women who had delayed recognition of ureteral injuries between January 1991 and December 1998. RESULTS: Patients presented with fever, hematuria, flank pain, or peritonitis between 3 and 33 days postoperatively. The mechanism of ureteral injuries was electrocoagulation in seven women, laser ablation in one, and stapler ligation in four. The sites of injury were near the inferior margin of the sacroiliac joint on excretory urogram in eight women and near the ureterovesical junction in four. Three women initially treated with internal ureteral stents were subsequently treated with ureteroneocystostomy because of progression of urinary ascites in two and a delayed ureteral stricture in one. In nine patients, attempts at ureteral stenting were unsuccessful and immediate ureteral reconstruction was done. Outcomes were good in all cases. CONCLUSION: Delayed recognition of ureteral injury after gynecologic laparoscopy was associated with serious complications, and initial treatment with ureteral stenting was not useful. We advocate early open repair for those injuries.

Adult↗
PubMed1997

Biomechanics of pelvic fixation.

This article reviews a series of biomechanical studies performed in the author's laboratory, evaluating the instabilities produced by the more common and problematic pelvic ring fracture patterns and the increasingly popular and newly developed modes of internal fixation. Topics that are discussed include the following: anteroposterior compression injuries and the disrupted sacroiliac joint; sacral fractures; anteroposterior compression injuries and symphyseal fixation; new symphyseal plate designs; unstable pubic rami fractures; unstable fractures of the iliac wing; and resuscitation fixator biomechanics.

Biomechanical Phenomena↗
PubMed1995

Spondyloarthropathies of childhood.

The term spondyloarthropathy, currently used to describe some forms of idiopathic arthritis of childhood, may be inappropriate because most children included in this category do not have arthritis of the spine, and inflammatory disease of the sacroiliac joints is an infrequent or late finding. Juvenile AS, the archetype, or "complete" disease may account for only one fifth of the so-called "spondyloarthropathies". "Incomplete" or "early" spondyloarthropathies are most frequent. Such children may not develop axial symptoms and signs for 5 to 10 years after onset, and they may be better characterized as having enthesitis-related arthritis, a term proposed by a recent task force of the International League Against Rheumatism (ILAR). Reactive arthritis, although etiologically linked with the spondyloarthropathies, uncommonly progresses to AS in childhood; most patients have peripheral arthritis with or without enthesitis resolving in the relatively short term. The arthritis associated with IBD is more commonly peripheral than axial. Although axial disease undoubtedly occurs in JPsA, in the authors' experience it is very uncommon.

Adolescent↗
PubMed2002

Classic bladder exstrophy in a nonhuman primate: a comparative analysis.

OBJECTIVES: To describe the pelvic floor musculature and bony pelvic anatomy in a case of naturally occurring classic bladder exstrophy in a rhesus monkey, the first reported case in the animal population since 1832, and compare the results to exstrophy seen in human newborns. METHODS: A 7-day-old male rhesus monkey with classic bladder exstrophy was examined by a pediatric urologist and primate veterinarian before being killed. A multidetector row computed tomography study with three-dimensional reconstruction was obtained, and a comparison computed tomography study of a 17-day-old male human with exstrophy was also reconstructed three dimensionally. The bony pelvis and pelvic floor muscular anatomy of both subjects were then examined and compared. RESULTS: On gross examination, a similar appearance of classic bladder exstrophy in the rhesus monkey and human newborn were noted, including an open exposed bladder, associated penile epispadias, and widely separated pubic bones. The evaluation of the three-dimensional models showed a similar orientation of the bony pelvis in both the rhesus and the human newborn. The iliac wings were significantly rotated outward, and the sacroiliac joint was 10 degrees wider than that seen in normal children. The exstrophy pelvic floor in both the rhesus and the newborn was markedly flattened, with approximately 33% of the muscle located anterior to the rectum to support the pelvic structures (normal children have 50% of their levator ani anterior to the rectum). CONCLUSIONS: By using advancements in imaging modalities, this study illustrated that naturally occurring classic bladder exstrophy in the human newborn and rhesus monkey were identical in both external appearance and internal anatomy.

Animals↗
PubMed1995

Femoral neuropathy after pelvic surgery.

Femoral neuropathy is an uncommon complication following pelvic surgery. We report on 2 cases of femoral nerve injury after pelvic surgery: 1 patient received radical cystectomy due to invasive transitional cell carcinoma of the urinary bladder, and the other patient had a transurethral resection of the bladder and received exploration and biopsy of a tumor mass over the right sacroiliac joint area. Pathogenesis and prevention of the complication of femoral neuropathy are discussed in the following report.

Aged↗
PubMed1984

Does unequal leg length cause back pain? A case-control study.

In a case-control study, in which a specially designed questionnaire and a "locating jig" were used to investigate the association between difference in lower limb length and other disproportion at or around the sacroiliac joints and the existence of chronic low back pain, no association was found. Chronic back pain is thus unlikely to be part of the short-leg syndrome.

Anthropometry↗
PubMedDate not supplied

Reflex responses associated with activator treatment.

BACKGROUND: Previous studies have demonstrated the existence era reflex response, measurable by surface electromyography (sEMG), after manually delivered spinal manipulative therapy (SMT). This reflex response has been characterized as consistent, reproducible within individual subjects, and nonlocal because it extends beyond the site of manipulation. However, the nature and magnitude of possible reflex responses in the paraspinal and proximal limb muscles elicited by nonmanual SMT, such as with an adjusting instrument, remain unknown. OBJECTIVE: To characterize the reflex responses associated with SMT by using sEMG to record the responses of 16 muscles before, during, and after treatment. STUDY DESIGN: The eleetromyographic responses of 16 para-spinal and proximal limb muscles in 9 healthy, asymptomatic male volunteers were measured simultaneously by sEMG before, during, and after chiropractic SMT. METHODS: SMT thrusts were delivered to 9 asymptomatic volunteers at 6 bilateral sites (C3/4, T2/3, T6/8, T11/12, L2-4, and s1). Reflex responses were measured from 16 muscles with bipolar sEMG electrodes and collected at 2000 Hz per channel with data acquisition software. RESULTS: Approximately 68% of the SMT thrusts resulted in a detectable reflex response. The cervical spine resulted in a detectable response of 50%, thoracic spine 59%, lumbar spine 83%, and sacroiliac joints 94%. Treatments delivered to the thoracic spine elicited the largest peak-to-peak amplitude sEMG responses, whereas the lumbar spine demonstrated the most heterogeneous responses. When a reflex response was observed, it always occurred close to the treatment site ipsilaterally and was detected in muscles that had either their origin or insertion at the vertebral level that was adjusted. CONCLUSIONS: Based on the local nature, magnitude, and characteristic shape of all reflex responses observed, we hypothesized that they were likely generated by a single proprioceptor. Furthermore, the temporal properties of this reflex response suggest that they originated from the muscle spindles. In contrast to previous observations on reflex responses after manual SMT, these treatments elicited reflex responses that varied between subjects but were consistent within an individual and were local in nature. We conclude that SMT delivered in this manner results in a reflex response that is both quantitatively and qualitatively different from a manual SMT.

Adult↗
PubMed2003

The effect of chiropractic care for a 30-year-old male with advanced ankylosing spondylitis: a time series case report.

BACKGROUND: Manipulative treatment for ankylosing spondylitis is a controversial subject, and no literature on using this therapy for advanced cases with fusion of the spine could be found. OBJECTIVE: To discuss the case presentation of a patient with advanced ankylosing spondylitis who was treated with chiropractic manipulation and mobilization. Clinical features The patient was a 30-year-old Asian male who was first diagnosed with ankylosing spondylitis at age 12. Despite medical intervention, a series of exacerbations had fused his sacroiliac joints and the facet joints in his lumbar and cervical spine. He presented with local moderate-to-severe pain in his low back and neck and lack of mobility. Intervention and outcome The patient was treated with grade 5 manipulation of his thoracic spine and grade 3 mobilization of his lumbar and cervical spine, along with physical therapy and stretches for a period of 12 weeks. He reported some improvement of his condition as measured by the SF-36 Health Survey and several measures of spinal flexibility. CONCLUSIONS: This case shows that even advanced cases of ankylosing spondylitis may show a favorable response to chiropractic manipulative therapy.

Adult↗
PubMed2003

Long-term progression, prognosis, and treatment of patients with recurrent ocular manifestations of Reiter's syndrome.

PURPOSE: To investigate the spectrum of ocular involvement, to examine the clinical outcome, and to analyze the influence of treatment in patients with chronic ocular manifestations of Reiter's syndrome (RS) referred to a tertiary care ocular immunology service. DESIGN: Retrospective, noncomparative, interventional case series. PARTICIPANTS: Twenty-five patients with RS evaluated at the Ocular Immunology and Uveitis Service of the Massachusetts Eye and Ear Infirmary from 1981 through 2001. METHODS: Charts of patients were reviewed and data on age, gender, follow-up time, ocular symptoms, extraocular involvement, ocular complications, therapy, and visual acuities were recorded. MAIN OUTCOME MEASURES: Visual acuity, ocular complications, disease progression, clinical outcome, and systemic treatment. RESULTS: Twenty-five patients (20 male and 5 female) diagnosed with RS, with a mean age at presentation to our service of 37 years, were studied. The mean follow-up was 48.5 months. Eighty-five percent of patients tested were positive for human leukocyte antigen B27. Sixty-four percent of patients had a positive family history. All patients had oligoarthritis and enthesitis, most commonly affecting the back (56%), Achilles tendon (52%), and sacroiliac joint (24%). Eighty percent had a history of infection, most frequently urethritis (68%). Forty-four percent had a history of mucocutaneous lesions. All patients demonstrated ocular involvement at the time of diagnosis (68% with unilateral and 32% with bilateral disease), 84% had evidence of uveitis, 3% had scleritis, 2% had conjunctivitis, and 1% had pars planitis and iridocyclitis. During follow-up, the ocular complications included conjunctivitis (96%), anterior uveitis (92%), posterior uveitis (64%), keratitis (64%), cataract (56%), intermediate uveitis (40%), scleritis (28%), cystoid macular edema (28%), papillitis (16%), and glaucoma (16%). Systemic treatment for ocular inflammation was initiated in all patients. Ninety-six percent were treated with nonsteroidal anti-inflammatory agents. Eighty-eight percent were treated with corticosteroids, 64% requiring systemic prednisone. Immunosuppressive therapy was initiated in 52% of patients, with all receiving methotrexate. Seven patients required more than one immunosuppressive agent. The mean initial visual acuity was 20/25 in the right eye and 20/30 in the left eye. The mean final visual acuity was 20/25 in the right eye and 20/25 in the left eye. CONCLUSIONS: Reiter's syndrome may be associated with chronic recurrent ocular inflammation. Systemic therapy (including immunosuppressive treatment) typically is required to control the ocular inflammation and to prevent progressive visual loss.

Adolescent↗
PubMed2000

[SAPHO syndrome. Scintigraphic and radiologic findings].

We present the case of a 39 year old woman with a several year long history of palmoplantar pustulosis and occasional pain in the anterior wall of the thorax, lumbar spine and both sacroiliac joints. As a consequence of low grade fever, severe sternoclavicular pain and discomfort and swelling in the first left rib arches, the patient was admitted to hospital. Based on the clinical, radiologic, scintigraphic and cutaneous findings, the SAPHO syndrome was diagnosed. Bone scintigraphy is an accurate and early diagnostic test for this syndrome which also provides the advantage of being able to obtain a whole body scan.

Acquired Hyperostosis Syndrome↗
PubMed1999

Pelvic insufficiency fractures in patients with pelvic irradiation.

BACKGROUND: Insufficiency fractures (IF) occur as a result of normal physiological stress on bones with deficient elastic resistance. Pelvic insufficiency fractures are a complication of osteoporosis due to postmenopausal status, high dose of corticosteroids, or local irradiation. They are important because differential diagnosis includes pelvic bone metastases. Diagnosis is based on both clinical manifestations and radiographic and scintigraphic findings. METHODS AND MATERIALS: We examined eight patients with pelvic cancer who had previously undergone external beam radiation therapy as part of their treatment. In the follow-up, they developed insufficiency fractures, and no factor other than pelvic irradiation was present. Diagnosis was confirmed by radionuclide bone scan followed by conventional radiography and computed tomography (CT) scan. RESULTS: The average onset of symptoms was 13.7 months after radiation therapy was completed. The initial symptom in all cases was pain. In all of the patients, the bone scan showed abnormalities. One to four increased uptake foci were observed, in the sacroiliac joint in all cases, and in the pubis in three cases. The initial diagnosis was bone metastases in five patients. CT scan showed fractures in all of the patients, in sacrum and pubis, both endostic and cortical. Treatment, consisting of nonsteroidal anti-inflammatory drugs and rest, led to symptomatic relief in all cases. CONCLUSION: Knowledge of pelvic insufficiency fractures is essential in order to rule out metastasic disease, and thus avoid inaccurate treatment. Although radionuclide bone scan is useful in early detection of pelvic IF, definitive diagnosis is provided by CT scan.

Adenocarcinoma↗
PubMed2002

Mandibular metastasis presenting as the initial maifestation of malignant pheochromocytoma.

A case of 59-year-old male patient presenting with metastasis to the mandible from malignant pheochromocytoma is described. The conventional radiographs and CT images suggested that the lesion was malignant osteogenic tumors or metastatic tumors due to the existence of calcification and widespread periosteal sunburst spiculation. On MRI, an expansive mass was clearly depicted and the signal intensities of the lesion were low to intermediate on T1 weighted image with intermediate to high signal intensity on T2 weighted image. A strong enhancement of the lesion was also observed on contrast enhanced T1 weighted image. On maximum intensity projection image in the arterial phase, the mass showed exceedingly early enhancement and excessively dislocated adjacent vessels. The diagnosis of a pheochromcytoma was difficult on the basis of these imagings. The final diagnosis was based on a biopsy of the mandible and I-131 Meta-iodobenzylguanidine scintigraphy (MIBG) scintigraphy. A primary lesion of the right adrenal showed low uptake due to wide centric necrosis and metastatic lesions of liver, lumber vertebrae, ribs and sacroiliac joint showed high uptake on the I-131 MIBG scintigraphy. The final diagnosis was nonfunctioning malignant pheochromocytoma due to the absence of elevation of catecholamine or its metabolite.

Adrenal Gland Neoplasms↗
PubMed1996

Artificial radiation menopause: where are the ovaries?

For ovarian ablation using radiotherapy, the pelvis is irradiated using generous fields sizes, as the position of the ovaries is uncertain. To assess the variation in ovarian position, we reviewed 81 sequential CT examinations of the pelvis performed in women under the age of 50 years. Women with pelvic malignancy or previous pelvic surgery were excluded from the analysis, leaving 30 eligible women. One or both ovaries could be clearly identified in 23 of these patients; in 19 (83%), the ovaries were located within the upper two-thirds of a ring defined by the sacroiliac joints, the bony side wall of the pelvis and the symphysis pubis. The ovaries were located outside this ring in four (17%) women. Ovarian position did not appear to be influenced by parity, uterine orientation, the degree of bladder filling or faecal loading within the rectum. The treatment volume for artificial radiation menopause has been variably defined; the upper part of the pelvis may not be included. The results from this retrospective study suggest that the treatment volume should extend from the inferior border of the fifth lumbar vertebra down to a level traversing the middle of the femoral heads and 1 cm lateral to the pelvic side walls.

Adult↗
PubMed2002

Case report: further upward migration of a misplaced double-J ureteral stent.

A 45-year-old man was referred to our hospital for the removal of a misplaced double-J ureteral stent. The lower end of the stent shortly after insertion was at the level of sacroiliac joint. However one week later the stent was further migrated upwards to the level of 4th lumbar vertebra. Immediate ureterorenoscopy was performed to prevent further migration of the stent to the renal pelvis and the stent was removed by the grasping forceps under direct vision successfully.

Device Removal↗
PubMed1998

Solid alveolar rhabdomyosarcoma of the thorax in a child.

AIMS: This case illustrates the difficulties and pitfalls of diagnosis of alveolar rhabdomyosarcoma in its solid variant and in an unusual primary location, the mediastinum. CASE DETAILS: A 9-year-old boy presented with a primary thoracic tumour associated with metastasis in the left sacroiliac joint. Bronchial and mediastinal biopsies showed a malignant neoplasm with a solid sheet-like pattern of small round cells with a high nuclear to cytoplasmic ratio associated with little or no fibrosis usually evocative of a peripheral neuroectodermal tumour (PNET) at this age. Immunohistochemical positive staining with vimentin (80% of tumour cells), desmin (20%) and titin (30%) antibodies was suggestive of a rhabdomyosarcoma. In addition, all neural cell adhesion molecule (NCAM) markers tested were positive as well as MIC2, a marker for the Ewing family of sarcomas. There was no rhabdomyoid differentiation at ultrastructural examination. Molecular analysis with RT-PCR amplification of RNA isolated from the tumour demonstrated the presence of a PAX3/FKHR fusion transcript, product of a t(2;13) reciprocal translocation, a genetic marker specific for alveolar rhabdomyosarcoma. CONCLUSIONS: The diagnostic methodology of a small round cell tumour of the child must now include immunohistochemical study and molecular biology to confirm the diagnosis of alveolar rhabdomyosarcoma, in a solid and undifferentiated variant.

Bronchial Neoplasms↗
PubMed1996

Risk factors and mechanism of urethral injury in pelvic fractures.

OBJECTIVE: To determine the risk factors and mechanism of urethral injury associated with pelvic fractures. PATIENTS AND METHODS: A total of 203 consecutive male patients with pelvic fracture were studied prospectively, including a clinical examination, radiographic examination of the pelvis, excretory urography and retrograde urethrography. RESULTS: Thirty-nine (19%) patients had urethral injury, five (2.5%) had bladder injury and 12 (6%) had combined urethral and bladder injuries. Urethral injury was by stretching of the intact membranous urethra in 13 patients (25.5%), partial rupture in 13 (25.5%) and complete rupture in 25 (49%). Injury involved the prostatic urethra and bladder neck in three children. Urethral injury was consistently associated with pubic arch fractures. Involvement of the posterior pelvic arch, with fractures of the anterior arch, considerably increased the risk of urethral injury. Also, the risk was greater with an increase in the number of broken rami. CONCLUSION: The highest risk of urethral injury was found in cases with straddle fracture when combined with diastasis of the sacroiliac joint (24 times more than the rest of pelvic fractures); this was followed by straddle fracture alone (3.85 times) and Malgaigne's fracture (3.4 times). Stretching of the membranous urethra usually precedes its rupture, which classically occurs at the bulbomembranous junction.

Adolescent↗
PubMed2004

Imaging of low back pain in children and adolescents.

In children with low back pain (LBP), a specific cause is often identified. LBP has a relatively high prevalence during school years. However, only a minority of the children suffering from LBP seek medical attention. Protracted back pain in childhood is a serious condition that should be thoroughly investigated. This article is a systematic review of the intrinsic causes of LBP. Imaging modalities are discussed, with emphasis on magnetic resonance imaging. We have divided the intrinsic causes of LBP into four main groups: mechanical, developmental, infectious/inflammatory, and neoplastic. Disk protrusion is prevalent in young athletes. Spondylolysis and spondylolisthesis are the most common causes of chronic LBP in children. Thoracic or thoracolumbar Scheuermann disease causes kyphosis while a lumbar localization is more painful. Childhood diskitis is associated with fever and leukocytosis. Spinal inflammatory arthritides in children include juvenile rheumatoid arthritis, the juvenile spondyloarthropathies, and SAPHO syndrome, where spine as well as sacroiliac joint changes may be seen. Cysts, tumors, tumor-like lesions, and metastases are infrequent causes of back pain in children. Several of these conditions are described and illustrated in this review of LBP in children and adolescents.

Adolescent↗