Drug eruption caused by nonionic iodinated X-ray contrast media.
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Adult↗
Biomedical subjects
T Nakada
Publications and source records attributed to T Nakada.
Pulmonary and systemic arteriovenous fistulas in patients with left isomerism.
Hepatic venous blood has been thought to play some role as a vasoactive agent in the development of pulmonary arteriovenous fistulas in patients with congenital heart disease. During the last 15 years, we have observed pulmonary arteriovenous fistulas in 3, and systemic arteriovenous fistulas in 2, patients from our 16 cases of left isomerism. During the same period, neither pulmonary nor systemic arteriovenous fistulas were detected among 50 patients with right isomerism. Pulmonary arteriovenous fistulas had developed in the absence of surgery in 1 of the patients. Both pulmonary and systemic fistulas were detected in an another patient, in whom the hepatic venous blood bypassed the pulmonary circulation. The level of somatostatin, which is known to reduce splanchnic blood flow, was high in the systemic venous blood of this patient. Although the mechanism of development of the fistulas has yet to be clarified, we should be aware that not only pulmonary, but also systemic arteriovenous fistulas can be found in patients with left isomerism, even prior to any surgical intervention.
Angiography↗
Prurigo pigmentosa (Nagashima) associated with anorexia nervosa.
Prurigo pigmentosa (Nagashima), which is not rare in Japan, is an inflammatory disease of unknown aetiology. The characteristic lesions are pruritic red papules, superseded by reticular hyperpigmentation, characteristically on the back, neck, and chest. We now report a case of prurgio pigmentosa associated with anorexia nervosa. These findings suggest that the ketosis produced by anorexia nervosa may well contribute to the pathogenesis of prurigo pigmentosa.
Adult↗
A new technique for sacral nerve stimulation: a percutaneous method for urinary incontinence caused by spinal cord injury.
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Adolescent↗
Down's syndrome associated with seminoma in undescended testis.
In patients with Down's syndrome, the coincidence of testicular cancer with the syndrome has recently been emphasized. We present a case of Down's syndrome associated with seminoma in undescended testis and discuss the relationship between testicular cancer and Down's syndrome.
Adult↗
Correlations between urethral elastance and histological architecture in patients with benign prostatic hyperplasia.
To investigate whether the properties of the flow-controlling zone (FCZ) in obstructive benign prostatic hyperplasia (BPH) would be affected by differences in the histological architecture of the prostate, we evaluated relationships between morphometric and urodynamic data. BPH specimens from 14 patients undergoing transurethral surgery were analysed by quantitative morphometry. The cross-sectional area and mean elastance of FCZ, together with other parameters, were calculated on a preoperative pressure-flow study. Correlations between these parameters and tissue composition were determined. Our study group comprised men with clinical and urodynamic evidence of infravesical obstruction secondary to BPH. No correlations were found between the area density or total volume of each histological element and the cross-sectional area of FCZ at peak flow rate. Neither area density nor total volume of each element correlated with the mean urethral elastance. Our results indicate that the histological architecture of the prostate in patients with obstructive BPH cannot predict the urethral elastance.
Aged↗
Juxtaglomerular cell tumor without hypertension.
Juxtaglomerular cell tumors are rare. This report presents a case of juxtaglomerular cell tumor without hypertension. All previously reported cases showed marked hypertension, whereas this is the first case of juxtaglomerular cell tumor without hypertension. The immunohistochemistry and ultrastructure of this case are discussed.
Adenocarcinoma↗
Indolent behaviour of low-grade B-cell lymphoma of mucosa-associated lymphoid tissue involved in salivary glands, renal sinus and prostate.
We report a case of MALT lymphoma (malignant lymphoma of mucosa-associated lymphoid tissues) involved in the salivary glands, the renal sinus and the prostate. The masses have been progressing very slowly and the patient has remained alive without any treatment for 5 years from the first symptom of this disease.
Aged↗
Round spermatids from hybrid sterile mice can initiate normal embryo development.
Fertilization and embryo development following intracytoplasmic injection of round spermatids collected from hybrid sterile mice (BALB/c) were investigated. The rates of oocyte activation, blastocyst formation and development into live offspring were compared with those after intracytoplasmic injection of round spermatids from fertile mice (B6D2F1). The injection of oocytes with round spermatids from hybrid sterile or sterile males resulted in similar rates of normal fertilization and embryo development. The rates of development to term of 2-cell embryos were also similar, regardless of the origin of the round spermatids injected. This finding suggested that round spermatids from hybrid sterile mice have the ability to fertilize normally and to allow normal embryo development.
Animals↗
Eyeglass allergic contact dermatitis.
A literature review is presented of allergic contact dermatitis from eyeglasses. Causes are grouped into metals, plastics, plasticizers, solvents, UV stabilizers, antioxidants, dyes, and waxes. Plasticizers and UV stabilizers are currently the most common allergens.
Allergens↗
Nickel content of standard patch test materials.
The nickel sulfate content in standard patch test materials currently used in the US, Europe and Japan was determined by inductively-coupled plasma atomic emission spectroscopy, a state-of-the-art microanalytical method which allows nickel detection to levels of 7 ppb (microg/l). In 2 materials with a nominal concentration of 5% nickel sulfate hexahydrate in pet., the range (calculated averages of triplicate analyses of 3 different batches) was from 4.72 to 4.87% and 4.97 to 5.39%, respectively. In 1 material with a 2.5% nominal concentration in pet., the values ranged from 2.41 to 2.48%. The range seen in a 5% NiSO4 hexahydrate aq. material was 4.95 to 5.03%. The range for 2.5% NiSO4 anh. in pet. was 2.39 to 2.49%. This data suggest a significant improvement in quality control compared to our previously published data.
Allergens↗
Effects of ATP-sensitive potassium channel opener on potassium transport and alveolar fluid clearance in the resected human lung.
Since the effect of an ATP-sensitive potassium channel (KATP channel) opener on the function of alveolar epithelial cells is unknown, the effect of YM934, a newly synthesized KATP channel opener, on potassium influx into the alveolar spaces and alveolar fluid clearance was determined in the resected human lung. An isosmolar albumin solution with a low potassium concentration was instilled into the distal airspaces of resected human lungs. Alveolar fluid clearance was measured by the progressive increase in alveolar protein concentration. Net potassium transport was measured by the change in potassium concentration and alveolar fluid volume. YM934 (10(-4) M) increased net influx of potassium by 140% into the alveolar spaces and also increased alveolar fluid clearance by 60% in the experiments with a potassium concentration of 0.3 mEq/1. Glibenclamide (10(-4) M), a KATP channel blocker, inhibited the YM934-increased influx of potassium transport and the increase in alveolar fluid clearance. Also amiloride (10(-5) M), an inhibitors of apical sodium uptake, blocked the YM934 stimulated increase in net alveolar fluid clearance. These results indicate that a KATP channel opener can effect potassium transport and net vectorial fluid movement across the human alveolar epithelium.
Adenosine Triphosphate↗
Assignment of protein kinase C eta (Pkch) to mouse chromosome band 12C3-D2 by in situ hybridization.
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Animals↗
Histological evaluation of the effects of electropermeabilization after administration of bleomycin on bladder cancer in the rat.
OBJECTIVE: The aim of this study was to examine the usefulness of an electropermeabilization method in the administration of a chemotherapeutic agent in bladder cancer in the rat. MATERIALS AND METHODS: N-Butyl-N-(4-hydroxybutyl)-nitrosamine was used to induce bladder tumors in Wistar rats. Rats in group 1 were given a sham treatment. Rats in group 2 received an injection of bleomycin (BLM). Rats in group 3 received a series of eight 100- micros square-wave pulses at an electric field intensity of 1,000 V/cm (electropermeabilization) applied to the bladder. Rats in group 4 were treated with square-wave pulses after the injection of BLM. Nine days after the various treatments, all the bladders were removed and examined histopathologically. RESULTS: Histopathological examination revealed severe damage to tumors in group 4 exclusively. CONCLUSION: The cytotoxic effect of BLM on bladder cancer tissue was enhanced by electropermeabilization.
Animals↗
Pelvic arteriovenous aneurysm caused by transurethral resection of the prostate: successful management by intra-arterial embolization.
We report a case of pelvic arteriovenous aneurysm caused by transurethral resection of the prostate. An abnormal vascular system was successfully managed by intra-arterial embolization using N-butyl cyanoacrylate in combination with platinum coil.
Aged↗
Silica urolithiasis without magnesium trisilicate intake.
Two cases of silica stones, without previous oral intake of magnesium trisilicate, are reported. A 64-year-old Japanese woman had bilateral renal stones. Infrared spectrophotoscopy revealed that one of the fragments consisted of silicate and the others consisted of calcium oxalate. A 75-year-old woman had right renal stones. The composition of 1 stone was a mixture of silicate and unspecified matrices. Silicate urolithiasis may not necessarily be related to oral intake of silicate-containing antacids.
Aged↗
Retroperitoneoscopic partial adrenalectomy using an endoscopic stapling device in patients with adrenal tumor.
We performed 15 retroperitoneoscopic partial adrenalectomies using an endoscopic stapling device to divide the normal adrenal tissue and adenoma. The mean operating time and mean blood loss were 162 (129-210) min and 12 (5-67) ml, respectively. In 1 patient (6.7%), a pneumothorax occurred at the end of the procedure due to injury of the medial crus of the diaphragm. However, the procedure was not subsequently converted to open surgery. These facts suggest that posterior retroperitoneoscopic partial adrenalectomy is a valuable addition to adrenal gland surgery.
Adrenal Gland Neoplasms↗
Acute onset of coagulopathy in a patient with Kasabach-Merritt syndrome following transurethral resection of bladder tumor.
We report an unusual case of Kasabach-Merritt syndrome in a 62 year-old woman with bladder tumor who suffered from acute consumption coagulopathy that increased the fibrinolytic activity due to the presence of a huge hemangioma in the upper and lower extremities. Two days after the transurethral resection of the solitary bladder tumor, serious hematuria and life-threatening disseminated intravascular coagulation developed. Following treatments with heparin and subsequent steroid treatment, hemorrhage and abnormal hemostatic values improved. It is suggested that extensive investigation of the coagulation system should be done in patients with giant hemangioma, particularly before a surgical procedure.
Acute Disease↗