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HISTIOCITOSE DE CÉLULAS AZUL MARINHO – RELATO DE CASO. Hematol Transfus Cell Ther 2022. [DOI: 10.1016/j.htct.2022.09.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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CLONAL EVOLUTION TO ACUTE MYELOID LEUKEMIA FOUR YEARS AFTER ALEMTUZUMAB AND CYCLOSPORINE IMMUNOSUPPRESSION IN A PATIENT WITH VERY SEVERE APLASTIC ANEMIA. Hematol Transfus Cell Ther 2022. [DOI: 10.1016/j.htct.2022.09.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Workplace mistreatment and mental health in female surgeons in Pakistan. BJS Open 2021; 5:6284043. [PMID: 34037208 PMCID: PMC8152181 DOI: 10.1093/bjsopen/zrab041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 03/22/2021] [Indexed: 11/18/2022] Open
Abstract
Background Despite workplace mistreatment, which includes harassment, bullying and gender discrimination(GD)/bias, being serious problems for female surgeons, there are limited data from lower–middle-income countries like Pakistan. This study explored harassment and GD/bias experienced by female surgeons in Pakistan, and the effects of these experiences on mental health and well-being. Methods A nationwide survey was conducted between July and September 2019 in collaboration with the Association of Women Surgeons of Pakistan, an organization consisting of female surgeons and trainees in Pakistan. An anonymous online survey was emailed directly, disseminated via social media platforms (such as Facebook, Twitter and Instagram), and sent to surgical programmes in Pakistan. Results A total of 146 women surgeons responded to the survey; 67.1 per cent were trainees and the rest attending surgeons. Overall, 57.5 per cent of surgeons reported experiencing harassment, most common being verbal (64.0 per cent) and mental (45.9 per cent), but this mostly went unreported (91.5 per cent). On multivariable analysis adjusted for age and specialty, workplace harassment (odds ratio 2.02 (95 per cent c.i. 1.09 to 4.45)) and bullying (odds ratio 5.14 (95 per cent c.i. 2.00–13.17)) were significantly associated with severe self-perceived burnout, while having a support system was protective against feelings of depression (odds ratio 0.35 (95 per cent c.i. 0.16 to 0.74)). The overwhelming majority (91.3 per cent) believed that more institutional support groups were needed to help surgeons with stress reduction (78.8 per cent), receiving mentorship (74.7 per cent) and work–life balance (67.8 per cent). Conclusion Workplace mistreatment, in particular harassment and bullying, has a damaging impact on the mental well-being of female surgeons, particularly trainees. The absence of support groups in Pakistan should be urgently addressed so that surgeons, especially trainees, may cope better with potentially harmful workplace stressors.
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Deep Brain Stimulation of the dorsal raphe abolishes serotonin 1A facilitation of AMPA receptor-mediated synaptic currents in the ventral hippocampus. Behav Brain Res 2021; 403:113134. [PMID: 33476685 DOI: 10.1016/j.bbr.2021.113134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 12/11/2020] [Accepted: 01/11/2021] [Indexed: 11/24/2022]
Abstract
In a previous study we showed that Deep Brain Stimulation (DBS) of the rat dorsal subregion of the dorsal raphe (DRD), which sends serotonergic projections to forebrain areas, such as the ventral hippocampus, induces anxiolytic-like effects. The purpose of the present study was to investigate neurobiological alterations which might underline these behavioral effects. For that, we tested the influence of DBS upon the neuromodulatory action of serotonin on excitatory post-synaptic currents (EPSCs) in the ventral hippocampus. Male Wistar rats were submitted to high-frequency stimulation (100 μA, 100 Hz) of the DRD for 1 h during three consecutive days. On the third day, immediately after the DBS procedure, animals were euthanized. Slices of the ventral hippocampus were processed for whole cell patch clamp recordings of AMPA-receptor (AMPAR) mediated EPSCs in the CA1 area. As reported by others, we confirmed that in pre-weaning rats a high affinity 5-HT1A receptor agonist (8-OH-PIPAT, 0.5-5nM) inhibits EPSCs. However, in adult rats (non-operated or sham-operated), 8-OH-PIPAT (0.5-5 nM) increased EPSC amplitude, an effect blocked by the 5-HT1A antagonist WAY-100,635 (200 nM). Importantly, in adult rats exposed to DBS, the 5-HT1A agonist was devoid of effect. Taken together these results show that: 1) changes in 5-HT1A receptor-mediated hippocampal synaptic transmission occur with age; 2) these changes lead to a facilitatory effect of 5-HT1A receptors; 3) DBS blocks this serotonergic facilitatory action. These observations suggest that an alteration in serotonin modulation of limbic areas may underlie the psychotherapeutic effects of DBS.
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Clinical and epidemiological profile of women with breast cancer managed in a public referral hospital in northeastern Brazil. EUR J GYNAECOL ONCOL 2016; 37:814-816. [PMID: 29943927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
AIM To evaluate the clinical and epidemiological profile of women with breast cancer, managed in the Breast Service at Hospital Get6lio Vargas (HGV). MATERIALS AND METHODS A descriptive, observational cross-sectional study, involving 174 breast cancer patients, managed at the Breast Service at HGV in Teresina, in the northeast of Brazil, from May 2011 to June 2014. Epidemiological variables included age group, age at menarche, age at first childbirth, and menopause. The tumor characteristics studied were histological type, TNM classification, and staging. The results were organized in distribution tables. RESULTS Breast carcinoma was more common in patients aged 60 and over, in multiparous women, and in women who were menopausal before age 55. The most common histological type was ductal invasive carcinoma T2N1MO (Stage IIB) in 83 (48%) women. CONCLUSION The current study shows that the majority of carcinomas were Stage II or advanced tumors, with clinically positive axillary lymph node status and weak correlation with reproductive risk factors.
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Investigation of Deaths for Severe Acute Respiratory Syndrome by Influenza A(H1N1)pdm09 (pH1N1) in Metropolitan areas of the State of São Paulo – Brazil. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Comparison between the anterior and posterior approach for transfer of the spinal accessory nerve to the suprascapular nerve in late traumatic brachial plexus injuries. Acta Neurochir (Wien) 2014; 156:2345-9. [PMID: 25326278 DOI: 10.1007/s00701-014-2222-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Accepted: 09/01/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To evaluate the transfer of the spinal accessory nerve to the suprascapular nerve through the anterior or posterior approach in patients with late traumatic brachial plexus injuries. METHODS This study includes patients with late brachial plexus injuries that underwent a spinal accessory-to-suprascapular nerve transfer. They were divided into two equal groups, A and B, in which the spinal accessory nerve was transferred to the suprascapular nerve, respectively, through the anterior or posterior approach. Narakas's scale for assessment of the abduction of the arm and rotation of the shoulder was used. RESULTS We studied 20 male patients with an age ranging from 18 to 42 years. In groups A and B, the mean age was 28 ± 5.5 and 26 ± 7.7 years, respectively. The time interval between injury and surgery was 9.5 ± 1.6 and 10.9 ± 2.5 months for groups A and B (p = 0.12), respectively. In the 20 patients in groups A and B, we obtained a strength of shoulder abduction at 30°, respectively, M3 (in 4 and 5), M2 (in 4 and 2), M1 (in 2 and 2) and M0 (in zero and 1) (p = 0.5). Regarding external rotation, group A showed M2 in only one patient and M0 in nine, while in group B, M3, in four; M2, in three; and M0, in three. In group B, the best results were observed in relation to the recovery of external rotation (p = 0.008). CONCLUSIONS Better results in terms of external arm rotation were obtained when spinal accessory-to-suprascapular nerve transfer was performed using the posterior approach.
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Efficacy of dental floss impregnated with chlorhexidine on reduction of supragingival biofilm: a randomized controlled trial. Int J Dent Hyg 2014; 13:117-24. [DOI: 10.1111/idh.12112] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2014] [Indexed: 11/30/2022]
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P281: Adequacy to the use of personal protective equipment in the isolations of emergency. Antimicrob Resist Infect Control 2013. [PMCID: PMC3688155 DOI: 10.1186/2047-2994-2-s1-p281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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A practical approach to the lateral cutaneous nerve of the thigh: an anatomical study. Clin Neurol Neurosurg 2011; 113:868-71. [PMID: 21764509 DOI: 10.1016/j.clineuro.2011.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 01/09/2011] [Accepted: 06/18/2011] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To study the main anatomical landmarks related to the lateral cutaneous nerve of the thigh (LCN) in the infrainguinal region and to define reliable criteria for identifying the nerve during the surgery and electrophysiological study. METHODS Bilateral dissections of 60 adult non-fixed cadavers were performed with measurements of the distance between the inferior border of the anterior superior iliac spine (ASIS) and the LCN (DAL) and the internal angle between the LCN and the inguinal ligament (IA). The number of nerves exiting the inguinal ligament, the position of the LCN relative to the ASIS and to inguinal ligament were observed and registered. A triangle was designed using the inguinal ligament, the ASIS and the direction of tendinous insertions of the tensor of fascia lata muscle as parameters and the nerves were tested according its localization inside the triangle in each dissection. RESULTS In 80% of the dissections, the LCN passed under the inguinal ligament and was identified lateral to ASIS in only three dissections. A great variability was observed in the values of DAL and IA. The values of DAL ranged from 0 (immediately medial to ASIS) to 5 cm on either side with means of 1.31 and 1.22 cm on the right and left side, respectively. The values of IA ranged from 40° to 120°, with a mean of 66.08° on the right side and from 40° to 130° with a mean of 69.92° on the left side. No significant differences were identified between the two sides with respect to the relationship between the nerve and the inguinal ligament (Chi-square test, p=0.83); DAL (t test, p=0.37) or IA (t test, p=0.15). A single nerve was found in 70.83% of the dissections. The nerve was found inside the triangle in 95% of the dissections. CONCLUSIONS Despite the symmetry found between the right and left sides, the values of the main anatomic parameters involved in the localization of the LCN presented a great degree of variability. Even so, dissection using the proposed anatomical triangle allows for the localization of the LCN in almost all cases.
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Effects of eliminating tension by means of epineural stitches: a comparative electrophysiological and histomorphometrical study using different suture techniques in an animal model. ARQUIVOS DE NEURO-PSIQUIATRIA 2011; 69:365-70. [DOI: 10.1590/s0004-282x2011000300019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Accepted: 09/23/2010] [Indexed: 11/22/2022]
Abstract
Epineural stitches are a means to avoid tension in a nerve suture. We evaluate this technique, relative to interposed grafts and simple neurorraphy, in a rat model. METHOD: Twenty rats were allocated to four groups. For Group 1, sectioning of the sciatic nerve was performed, a segment 4 mm long discarded, and epineural suture with distal anchoring stitches were placed resulting in slight tension neurorraphy. For Group 2, a simple neurorraphy was performed. For Group 3, a 4 mm long graft was employed and Group 4 served as control. Ninety days after, reoperation, latency of motor action potentials recording and axonal counts were performed. Inter-group comparison was done by means of ANOVA and the non-parametric Kruskal-Wallis test. RESULTS: The mean motor latency for the simple suture (2.27±0.77 ms) was lower than for the other two surgical groups, but lower than among controls (1.69±0.56 ms). Similar values were founding in both group 1 (2.66±0.71 ms) and group 3 (2.64±0.6 ms). When fibers diameters were compared a significant difference was identified between groups 2 and 3 (p=0.048). CONCLUSION: Good results can be obtained when suturing a nerve employ with epineural anchoring stitches. However, more studies are needed before extrapolating results to human nerve sutures.
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Management of brachial plexus region tumours and tumour-like conditions: relevant diagnostic and surgical features in a consecutive series of eighteen patients. Acta Neurochir (Wien) 2009; 151:1089-98. [PMID: 19448970 DOI: 10.1007/s00701-009-0380-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2008] [Accepted: 11/20/2008] [Indexed: 12/13/2022]
Abstract
BACKGROUND Tumours of the brachial plexus region are rare and most publications are case reports or studies with a small series of patients. The aim of this study is to present our experience in managing these lesions. METHODS We review 18 patients with tumours in the brachial plexus region submitted to surgical treatment in a 6 year period, including their clinical presentation, neuro-imaging data, surgical findings and outcome. FINDINGS The tumours comprised a heterogeneous group of lesions, including schwannomas, neurofibromas, malignant peripheral nerve sheath tumour (MPNST), sarcomas, metastases, desmoids and an aneurysmal bone cyst. The most common presentation was an expanding lump (83.33%). Eleven tumours were benign and 7 were malignant. Neurofibromatosis was present in only 2 patients (11.11%). Gross total resection was achieved in 14 patients and sub-total resection in the others. Only 3 patients presented with new post-operative motor deficits. The incidence of complications was low (16.5 %). CONCLUSIONS The majority of tumours were benign and most of them could be excised with a low incidence of additional deficits. Some of the malignant tumours could be controlled by surgery plus adjuvant therapy, but this category is still associated with high morbidity and mortality rates.
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Magnetic resonance imaging of idiopathic carpal tunnel syndrome: correlation with clinical findings and electrophysiological investigation. Clin Neurol Neurosurg 2007; 110:38-45. [PMID: 17920190 DOI: 10.1016/j.clineuro.2007.08.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2007] [Revised: 08/26/2007] [Accepted: 08/27/2007] [Indexed: 01/22/2023]
Abstract
OBJECTIVE To compare clinical evaluation, electrophysiological investigation and magnetic resonance findings in assessing the severity of idiopathic carpal tunnel syndrome. PATIENTS AND METHODS Seventy-four patients with idiopathic carpal tunnel syndrome were prospectively recruited. Clinical evaluation included symptoms severity score and two-point discrimination, sensory and motor nerve conduction velocities were determined by electroneuromyography and imaging parameters were obtained after wrist magnetic resonance. The Wilcoxon test was used to define the differences between measurements of median nerve area. The Pearson and Spearman correlation tests were used to determine the relationships between all the measured parameters. RESULTS Cross-sectional area of median nerve was smaller at hamate level than at radio-ulnar joint and pisiform levels (p<0.001). With exception of median nerve area at hamate level, there was a lower degree of correlation between MRI parameters and findings obtained by clinical assessments and electrophysiological measurements. The median nerve area at hamate level correlated negatively with duration of symptoms, two-point discrimination, symptoms severity score and positively with sensory nerve conduction velocity (p<0.01). CONCLUSION In patients with idiopathic carpal tunnel syndrome, median nerve area measured by wrist magnetic resonance at hamate level may be considered as a valuable indicator to grading the severity of disease.
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A case of isolated tuberculoid leprosy of antebrachial medial cutaneous nerve. Neurol Sci 2005; 25:216-9. [PMID: 15549507 DOI: 10.1007/s10072-004-0324-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2004] [Accepted: 05/29/2004] [Indexed: 11/29/2022]
Abstract
Leprosy is an infectious disease of prevalence still high in endemic areas in Brazil. The neurological presentation depends on the involved nerve and is usually associated with skin lesions and the formation of multiple abscesses. We present a case of isolated tuberculoid leprosy, discuss the occurrence, the differential diagnosis and the treatment of this rare presentation and reaffirm the importance of considering leprosy in the differential diagnosis of patients with polyneuropathy or nerve enlargement with no skin lesions.
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Abstract
OBJECTIVE: To determine ASO titer profile by establishing ARF differential diagnoses of other diseases with high levels of ASO antibodies. METHODS: We investigated 78 patients with ARF at onset and follow-up, 22 with isolated chorea at onset, 45 with recurrent oropharyngeal tonsillitis, and 23 with recent flare of juvenile idiopathic arthritis. We tested ASO with automated particle-enhanced immunonephelometric assay (Behring(R)-Germany). The ASO (IU/ml) titers were assessed at the following time intervals: 0-7 days, 1-2 weeks, 2-4 weeks, 1-2 months, 2-4 months, 4-6 months, 6-12 months, 1-2 years, 2-3 years, 3-4 years, and 4-5 years after onset of ARF. RESULTS: ASO titers in patients diagnosed with ARF had a significant increase up to the 2-4-month time interval (P<0.0001). Baseline levels were observed afterwards in patients under regular penicillin prophylaxis. The levels of ASO in ARF were also significantly higher than in patients with isolated chorea, recurrent oropharyngeal infections or juvenile idiopathic arthritis (P=0.0025), when age-matched samples of these groups were compared. The testacute;s sensitivity was 73.3% and the specificity was 57.6%, and it was calculated taking into account the upper limit of normality at 320 IU/ml, as well as the established diagnosis of ARF. The testacute;s specificity and positive predictive value increased with rising or higher titers, being higher with titers above 960 UI/ml. CONCLUSION: This reappraisal of ASO profile in ARF patients indicates a remarkable response during the acute phase, and that points to the extent to which ASO levels may differentiate ARF from other diseases with high levels of ASO antibodies, as coincidental but unrelated streptococcal infection or chronic arthritis flareup.
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Surgical management of Guyon's canal syndrome, an ulnar nerve entrapment at the wrist: report of two cases. ARQUIVOS DE NEURO-PSIQUIATRIA 2001; 59:106-11. [PMID: 11299442 DOI: 10.1590/s0004-282x2001000100022] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Guyon's canal syndrome, an ulnar nerve entrapment at the wrist, is a well-recognized entity. The most common causes that involve the ulnar nerve at the wrist are compression from a ganglion, occupational traumatic neuritis, a musculotendinous arch and disease of the ulnar artery. We describe two cases of Guyon's canal syndrome and discuss the anatomy, aetiology, clinical features, anatomical classification, diagnostic criteria and treatment. It is emphasized that the knowledge of both the surgical technique and anatomy is very important for a satisfactory surgical result.
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Tumor cell-derived TGF-beta and IL-10 dysregulate paclitaxel-induced macrophage activation. J Leukoc Biol 2001; 69:129-37. [PMID: 11200057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
Paclitaxel (TAXOL) activates in vitro macrophage (Mø) expression of proinflammatory and cytotoxic mediators, including IL-12, tumor necrosis factor alpha (TNF-alpha), and nitric oxide (NO). However, tumors dysregulate Mø through soluble suppressor molecules, and it is possible that tumors evade paclitaxel-mediated immune effector function through the production of immunomodulatory molecules and inhibition of Mø function in situ. Because Mø activation in the tumor microenviroment is a desirable goal of anti-tumor immunotherapy, we evaluated whether tumor-derived immunomodulatory factors dysregulate paclitaxel-mediated Mø activation. Tumor cell-derived supernatant suppressed paclitaxel's capacity to induce IL-12, TNF-alpha, and NO production by RAW264.7 Mø. Tumor factors also dysregulated paclitaxel-induced expression of a HIV-LTR, promoter-driven luciferase construct in RAW264.7 Mø, suggesting that tumors may inhibit a broad range of Mø functionality. Depletion studies revealed that IL-10 and transforming growth factor-beta1 (TGF-beta1), but not prostaglandin E2 (PGE2), impaired paclitaxel-mediated activation, suggesting that abrogation of these factors in situ might restore paclitaxel's activating capacity and enhance anti-tumor efficacy.
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[Intraspinal dermoid tumor associated with diastematomyelia: case report]. ARQUIVOS DE NEURO-PSIQUIATRIA 2000; 58:760-3. [PMID: 10973124 DOI: 10.1590/s0004-282x2000000400028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Intraspinal dermoid tumor and diastematomyelia is a rare combination of pathologies and only eight cases were priorly published. We report a new case in an adult with clinical presentation of progressive paresis and sensitive deficit in the lower limbs, associated with a thoraco-lombar kyphoscoliosis. The diagnosis based on the CT scan and MR images was confirmed at surgery. Pathophysiologic and clinical aspects as well as the radiological characteristics of these pathologies are dicussed and the importance of the early diagnosis is emphasized.
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Abstract
PURPOSE To evaluate and the long term course of patients with lupus nephritis, METHOD Thirty seven patients with lupus nephritis followed in a referral, tertiary care center of a developing country (Brazil) were studied. The length of follow up was 52.4 + 13.3 months and mean age was 26.05 + 11.12 years. 84% of the patients were females and class IV nephritis was found to be the most frequent (80%). RESULTS At the time of renal biopsy mean serum creatinine was 1.74 + 1.15 mg/dl, and 24 h-proteinuria was 2.62 + 2.89 g. Fifty one per cent of the patients with elevated serum creatinine showed a decrease in these values. Of the variables studied (age, sex, proteinuria, presence of hypertension and serum creatinine at biopsy), serum creatinine elevation was the only one to be associated with poorer prognosis. Remission of the nephrotic syndrome occurred in 65% of the patients. Actuarial survival rate was 96% at 1 year, 82% at 5 years, 70% at 10 years and 70% at 12 years. Five patients developed end stage renal failure and 7 died. Infection was the most frequent(57%) cause of death. CONCLUSION Among several factors studied the only which has been associated with chronic renal failure was elevated serum creatinine at the time of biopsy. Infections were the main cause of death.
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Spontaneous epidural hematoma following a shunt in an infant with congenital factor X deficiency. Case report and literature review. Neurosurg Rev 1999; 22:226-9. [PMID: 10682933 DOI: 10.1007/s101430050022] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The authors describe a case of an infant with congenital factor X deficiency. The patient presented with a central nervous system hemorrhage followed by hydrocephalus. He underwent a ventriculoperitoneal shunt and, during the postoperative period, developed a spontaneous epidural hematoma, which was evacuated. The clinical and pathophysiological aspects of this case are discussed based on a literature review.
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[Acoustic neuroma in children without association with neurofibromatosis. Report of 2 cases]. ARQUIVOS DE NEURO-PSIQUIATRIA 1999; 57:96-100. [PMID: 10347733 DOI: 10.1590/s0004-282x1999000100019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Acoustic schwannoma is the most common tumor of the cerebellopontine angle in adults and is rarely found in children without neurofibromatosis. In the literature there are 18 children under the age of 16 with such tumor. Two female patients with age of 9 and 15 years old with acoustic schwannoma without neurofibromatosis are related. Progressive deafness followed by signs and symptoms of a posterior fossa tumor were the initial complaint of both, as well as of the other related cases and in adulthood.
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Abstract
The authors report the case of an intraneural synovial cyst of the peroneal nerve. The initial symptom was pain and weakness of dorsiflexion and eversion of the right foot. The patient was operated on and the cyst was totally resected. The authors discuss the pathogenesis, clinical diagnosis as well as the treatment of that uncommon lesion.
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[Lipoma of the corpus callosum with extracranial extension through frontal bone defect]. ARQUIVOS DE NEURO-PSIQUIATRIA 1995; 53:671-5. [PMID: 8585830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Intracranial lipoma are usually localized in the corpus callosum and rarely extends to the subgaleal region. Only eight cases of lipoma of the corpus callosum with extracranial extension were reported in the literature. Seizures and mental retardation were the most common clinical findings in these patients. Data from the literature show that resection of intracranial lipoma has catastrophic results. The resection must be restricted to the extracranial portion. We report a child with lipoma of the corpus callosum with extracranial extension with no neurologic deficit submitted to resection of the extracranial extension.
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