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Results 351 - 400 of 676
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Lishner M - - 1999
The clinical significance and implications of absence of alopecia and/or neutropenia in patients treated with chemotherapy for malignant disease is unknown. We hypothesized that there is a common mechanism of resistance to the effects and the adverse effects of anticancer treatment, which may have clinical implications. To evaluate this hypothesis, ...
Moon J S - - 1999
The Lambert-Eaton myasthenic syndrome (LEMS) heralds the occurrence of malignancy, especially small-cell lung cancer (SCLC), but it can also occur in the absence of cancer. Twelve patients were diagnosed as LEMS by clinical features and the classical electrophysiological triad, which includes a low amplitude of compound muscle action potentials (CMAP), ...
Wang H H - - 1999
BACKGROUND: Lymphomatoid papulosis (LyP) is a rare skin disease with malignant potential. The long term outcomes of patients with this disease have not been adequately assessed. METHODS: Fifty-seven patients with biopsy-proven LyP and 67 controls matched for age, gender, and race were followed prospectively from 1988 to 1996. Reported malignancies ...
Kapinas K - - 1999
We studied the significance of age as a factor affecting prognosis and anti-AChR antibody levels in myasthenia gravis, comparing patients with symptom onset before 50 (37 patients) and at or after 50 (33 patients). More of the older patients, compared to younger ones (69.9&#x0025; versus 32.4&#x0025;,p&#x003C;0. 05) progressed to severe ...
Bohn J - - 1999
We describe two patients with severe oral cicatricial pemphigoid, one of whom also had severe pharyngeal involvement. Both patients were resistant to treatment with corticosteroids and other standard immunosuppressive therapies. Plasma exchange alone proved to be only temporarily effective, but the combination of plasma exchange with subsequent cyclophosphamide resulted in ...
Baraka A - - 1999
PURPOSE: The report investigates cisatracurium neuromuscular block in a myasthenic patient undergoing thymectomy. CLINICAL FEATURES: A myasthenic patient (Osserman II B) was prepared preoperatively with 240 mg x day(-1) pyridostigmine. The neuromuscular block produced by 0.05 mg x kg(-1) cisatracurium was monitored by Datex electromyography. The electromyographic response was compared ...
Rini B I - - 1999
Although most patients with thymoma present with a mediastinal mass amenable to surgical resection, some patients develop metastatic disease requiring systemic therapy. The majority of thymomas express somatostatin receptors as demonstrated by octreotide scanning, an observation which has prompted the clinical use of octreotide in patients with this disease. Many ...
Lisak RP - - 1999
The treatment of patients with myasthenia gravis should be individualized according to the extent (ocular versus generalized) and severity (mild to severe) of disease, the presence or absence of concomitant disease (including but not limited to other autoimmune diseases and thymoma), and, to a lesser degree, the age of the ...
Batra Y K - - 1999
Myasthenic gravis (MG) is an autoimmune disease associated with acetylcholine receptor deficiency. Patients with MG exhibit increased sensitivity to non-depolarising muscle relaxants. In an attempt to avoid neuromuscular blockers, we used sevoflurane in two myasthenic patients undergoing trans-sternal thymectomy. Inhalation of 8% sevoflurane in oxygen using vital capacity technique produced ...
Yamaguchi M - - 1999
To determine the clinical significance of CD5 expression in diffuse large B-cell lymphoma (DLBL) without a clinical history of low-grade B-cell lymphoma, we have reviewed the clinical features and therapeutic outcome of 25 patients with de novo CD5-positive DLBL, and compared the results with those of 87 patients with CD5-negative ...
Harman K E - - 1999
High-dose intravenous immune globulin (IVIG) is used to treat a wide variety of autoimmune diseases. We report our experiences of its use in a retrospective study of 14 patients with autoimmune blistering diseases, namely epidermolysis bullosa acquisita (EBA), two; bullous pemphigoid (BP), two; pemphigoid gestationis (PG), one; nodular pemphigoid, two; ...
Murphy R C - - 1999
BACKGROUND: Patients with ataxia telangiectasia (AT), known to have an inherent increased susceptibility to the development of cancer, may present with malignancies that are unusual for the patient's age, are often difficult to diagnose clinically and radiographically and respond poorly to conventional therapy. MATERIALS AND METHODS: We reviewed the clinical ...
McCoy A L - - 1999
Dermatomyositis, polymyositis, and inclusion body myositis are rare illnesses which appear to be distinct in clinical and pathologic features, pathogenesis, natural history, and response to therapy. We report two patients who first developed dermatomyositis, and then, after a disease-free interval of many years, developed inclusion body myositis. This may have ...
Shpilberg O - - 1999
Familial aggregation of nonhematological malignant disorders (NHMD) was compared in 189 families of patients with hematological neoplasms (HN) with a control group of 36 families of patients with benign hematological disorders and a second group of 33 families of patients with diabetes mellitus. A self-administered questionnaire was used requesting from ...
Scully C - - 1999
Perhaps surprisingly, the manifestations and management of patients with pemphigus vulgaris and oral lesions have been detailed only infrequently. The present study has examined the clinical features, diagnosis and management of a cohort of 55 patients, including three adolescents, with pemphigus vulgaris predominantly affecting the oral mucosa. There was about ...
Evoli A - - 1998
Juvenile myasthenia gravis (JMG) with prepubertal onset is an uncommon disease. We studied 19 patients with age at onset ranging from 1.5 to 9.2 years and compared their clinical characteristics and response to therapy with 114 cases with MG onset after the prepubertal age, up to 20 years. Neither sex ...
Ertekin C - - 1998
OBJECTIVE: To evaluate dysphagia at the oropharyngeal stage of swallowing and to determine the pathophysiological mechanisms of dysphagia in patients with myasthenia gravis. METHODS: Fifteen patients with myasthenia gravis with dysphagia and 10 patients without dysphagia were investigated by a combined electrophysiological and mechanical method described previously. Laryngeal movements were ...
Downie J B - - 1998
Pemphigus vegetans is variant of pemphigus vulgaris accounting for 5% of all patients with pemphigus disorders. We describe a case of pemphigus vegetans-Neumann type associated with intranasal heroin abuse, restricted to the modified mucous membranes. The results of routine histology and direct and indirect immunofluorescence studies confirmed the diagnosis. The ...
Libow L F - - 1998
Six patients with either lichen planus or lichen nitidus were treated with itraconazole. Two of four patients with lichen planus experienced complete clearing, and the remainder showed a partial response. Itraconazole, like griseofulvin, may prove to be an alternative treatment worth considering in patients with lichen planus or lichen nitidus ...
Fotiou F - - 1998
OBJECTIVE: To investigate the possibility of impaired central nervous system (CNS) cholinergic transmission in myasthenia gravis (MG), and the effect of eye movements and particularly of micromovements in the psychophysiology of vision. MATERIALS AND METHODS: Fourteen patients with clinical manifestations of external ophthalmoplegia due to different causes (nine patients with ...
Güney E - - 1998
The aim of this study was to assess the contribution of thallium-201 scintigraphy to primary tumour detection in patients with malignant neck masses and to evaluate its sensitivity and specificity. A total of 30 patients with histopathologically proven malignant tumours were included in the study. The sensitivity, specificity and accuracy ...
Valli G - - 1998
In a follow-up study of 128 myasthenic patients from a neurological center in Northern Italy, three were found to have developed glomerulonephritis at variable intervals after the onset of myasthenia gravis, thymoma (two patients), and thymectomy. By renal biopsy, two patients (cases 1 and 3) were found to have membranous ...
Amino A - - 1998
We conducted overnight polysomnographic sleep studies of 16 patients (5 men and 11 women) with clinically well-controlled myasthenia gravis (MG). The subtypes of MG were IIA (3 patients), IIB (11 patients), IV (1 patient) and V (1 patient). Twelve patients were found on polysomnography to have obstructive and/or central types ...
Tehranchi-Nia Z - - 1998
OBJECTIVE: Pemphigus vulgaris (PV) affects primarily middle-aged persons in North America. Conventional therapy suggests use of high doses of systemic corticosteroids and immunosuppressive agents. We have observed a group of older patients with PV and determined their clinical characteristics, treatment, and clinical course. DESIGN, SETTING, AND PARTICIPANTS: Eighteen patients with ...
Parsons S L - - 1997
Matrix metalloproteinases have been shown to be important in tumour invasion and metastasis, and the use of matrix metalloproteinase inhibitors in animal models has suggested that these agents may be useful in the control of malignant disease. This article reports the results of an early clinical trial of batimastat, one ...
Davis M D - - 1997
BACKGROUND: Dermatomyositis and polymyositis can be associated with an underlying malignancy. OBJECTIVE: Our purpose was to describe a group of patients with dermatomyositis and polymyositis in whom ovarian carcinoma was diagnosed and to evaluate further the characteristics of the association between these diseases. METHODS: A cross-sectional retrospective review identified 14 ...
Munker R - - 1997
Several cytokines and the receptors for some cytokines are involved in the pathogenesis and progression of malignant lymphomas. CD95 (Fas/Apo-1) belongs to the TNF-receptor superfamily and may mediate apoptosis if triggered by Fas-ligand or specific antibodies. Recently soluble CD95 (a splice variant of the surface-bound molecule) was detected in the ...
Bonifati D M - - 1997
We evaluated cyclosporine A (CsA) treatment in 9 patients (6 female and 3 male), 16-63 years old, with severe myasthenia gravis (MG) for a mean period of 2 years (range 16-36 months). All of the patients had been previously treated either with corticosteroids or by combined immunotherapy, and 5 needed ...
Patterson R - - 1997
BACKGROUND: Malignant idiopathic anaphylaxis refers to the most severe form of idiopathic anaphylaxis where defined episodes of idiopathic anaphylaxis are not controlled when the prednisone is reduced below at least 60 mg every other day or 20 mg daily. Corticosteroid-dependent idiopathic anaphylaxis refers to patients with idiopathic anaphylaxis who require ...
Verne G N - - 1997
We report the case of a patient with severe diarrhea and malabsorption who was subsequently found to have hypogammaglobulinemia and thymoma (Good's syndrome). The mechanism by which hypogammaglobulinemia and/or thymoma causes diarrhea is unclear. It may be related to malabsorption caused by a mucosal lesion resembling villous atrophy, which may ...
Kao R H - - 1997
To study the characteristics of malignant lymphoma in aboriginal and nonaboriginal patients in eastern Taiwan, the records of 90 patients treated from July 1986 to September 1994 were reviewed. Immunohistologic staining with UCHL-1 and L-26 was used to determine immunophenotype. There were 20 aboriginal and 70 nonaboriginal patients (22% vs ...
Kubota A - - 1997
Of 202 patients with myasthenia gravis (MG), 6 (3%) developed alopecia areata. All six patients had a thymoma verified by pathology; the frequency of alopecia areata rose to 17% of 35 MG patients with a thymoma. In one patient who had no recognizable tumor in the mediastinum, an ectopic thymoma ...
Berking C - - 1997
BACKGROUND: The authors became interested in an association between cutaneous melanoma and sarcoma when they reviewed their experience with other malignancies occurring in patients with a diagnosis of sarcoma. METHODS: The authors identified 48 patients with both melanoma and bone or soft tissue sarcoma (STS) by a computer search of ...
Beekman R - - 1997
One hundred consecutive patients with myasthenia gravis (MG) referred between 1985 and 1989 were analysed for epidemiological characteristics, evolution of early signs, delay in diagnosis, yield of diagnostic tests and effects of treatment. The female to male ratio was 1.6:1.0. Sixteen patients had a thymoma. Ocular MG occurred in 14. ...
Skeie G O - - 1997
Myasthenia gravis (MG) is mediated by autoantibodies against the acetylcholine receptor at the muscle endplate. Some MG patients have in addition antibodies (Ab) to the skeletal muscle proteins ryanodine receptor (RyR) and titin. We have examined GM and KM allotypes, RyR and titin Ab in 44 MG patients (37 thymoma ...
Pasqualetti P - - 1997
The acturial probability of malignant transformation was analyzed in a series of 263 patients with monoclonal gammopathy of undetermined significance (MGUS) over a 15-year period and followed from 5 to 20 years. At a median follow-up of 11.5 years, 157 patients (59.7%) had died of causes unrelated to MGUS, 47 ...
Gorsky M - - 1996
Oral lichen planus (OLP) has a multiple-site involvement, with the buccal mucosa being the most prevalent. A possible relationship between OLP and the risk of malignancies in the involved site is documented. The characteristics of OLP have been studied in different populations; however, no similar studies have been conducted in ...
Saraiva P A - - 1996
Myasthenic gravis may affect both inspiratory and expiratory muscles. Respiratory involvement occurred in almost all patients with myasthenia gravis in all clinical forms of the disease: 332 lung function tests done in 324 myasthenic patients without respiratory symptoms (age 34.6 +/- 18.3 years) were examined. Lung volumes analysis showed that ...
Nicolaou S - - 1996
PURPOSE: To correlate computed tomographic (CT) appearance of the thymus with results from histologic examination of thymic tissue and clinical outcome in patients with generalized myasthenia gravis who underwent thymectomy. MATERIALS AND METHODS: Forty-five patients with myasthenia gravis underwent CT of the thorax and thymectomy. Findings at clinical follow-up were ...
Sultana S R - - 1996
OBJECTIVE: To determine which patients with asymptomatic microscopic haematuria (AMH) should be investigated to exclude significant urological pathology. PATIENTS AND METHODS: The study comprised a prospective audit of a standard protocol for investigating all patients referred with haematuria over one year in a haematuria clinic in the urology department serving ...
Singh R V - - 1996
Dermatomyositis without myositis has been reported rarely and has been given several names such as dermatomyositis sine myositis and amyopathic dermatomyositis. We report a 19-year-old male patient with Gottron's papules and raised CPK level. The patient has been followed for 10 months and has not developed other features of myositis.
Anderson N E - - 1996
Two patients presented with abdominal pain, recurrent vomiting, weight loss, and constipation secondary to intestinal pseudo-obstruction. Both patients had symptoms and signs of myasthenia gravis, acetylcholine receptor antibodies, and thymoma. In one patient inflammatory cell infiltrates and occasional degenerate neurons were found in the myenteric plexus. The gastrointestinal symptoms resolved ...
Kupersmith M J - - 1996
OBJECTIVE: To determine if moderate-or low-dose corticosteroid therapy can reduce the diplopia and frequency of deterioration to generalized disease in ocular myasthenia gravis. DESIGN: Retrospective record review. SETTING: Two university-based neuro-ophthalmology services. PATIENTS: All 32 patients with ocular myasthenia gravis, treated with prednisone, followed up for a minimum of 2 ...
Kumamoto T - - 1996
INTRODUCTION: We evaluated associated clinicopathologic features of polymyositis (PM) patients with numerous tissue eosinophils. MATERIALS AND METHODS: 680 muscle biopsies were examined in our institution and eight were identified with greater than 0.3 eosinophils per square millimeter in the inflammatory infiltrate without concomitant peripheral eosinophilia. RESULTS: All eight patients had ...
Takahashi K - - 1996
The biological differences between lymphocytes separated from thymoma patients with myasthenia gravis (MG) and those separated from thymoma patients without MG was examined. We investigated whether lymphocytes in thymoma (Th-L) of patients with and without MG could react to interleukin-2 (IL-2) to develop cytolytic activity against K562 and lympho kine-activated ...
Ito H - - 1996
We studied the densities of utrophin and dystrophin at the motor end-plates of patients with myasthenia gravis (MG) using immunohistochemical analysis. The densities were compared with those found in patients with amyotrophic lateral sclerosis, Lambert-Eaton myasthenic syndrome and normal controls. Utrophin was reduced at the motor end-plates of MG patients, ...
van den Anker-Lugtenburg P J - - 1996
BACKGROUND: Lymphoid cells may express somatostatin receptors (SS-Rs) on their cell surface. Therefore radiolabeled somatostatin analogues may be used to visualize SS-R-positive lymphoid neoplasms in vivo. Exact staging is the basis for treatment decisions in cutaneous malignant lymphoma. We considered the possibility that SS-R scintigraphy might offer a clinically useful ...
Sutherland C M - - 1996
The American College of Surgeons performed a patient care and evaluation study of malignant melanoma for years 1981 and 1987 to determine the presenting symptoms, methods of evaluation, clinical management, and disease outcome. Previous reports on malignant melanoma of the skin, mucous membrane, and eye have been published. This report ...
Ichimiya M - - 1996
Human leukocyte antigen (HLA) frequencies in 67 melanoma patients were compared to 120 controls in Japan. The frequency of HLA-B13 was increased in melanoma patients compared to controls and was particularly common in nodular melanoma HLA-B61 was decreased in melanoma patients. Almost 50% of acral lentiginous melanoma patients expressed HLA-B51 ...
Kremer R - - 1996
PURPOSE: To determine whether parathyroid-hormone-related peptide (PTHRP) is an important pathogenetic mediator of hypercalcemia in patients with hematologic malignancies. PATIENTS AND METHODS: We conducted a cohort analytic study in 76 consecutive patients with non-Hodgkin's lymphoma (NHL), Hodgkin's disease, multiple myeloma, and Waldenstrom's macroglobulinemia, 14 of which were hypercalcemic. Thirty normal ...
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