Biomedical subjects
Publications and source records attributed to G Gentile.
An additional case of interstitial deletion of chromosome 6, the first with breakpoints in q12 and q14, is reported. The female infant was the malformed first child of young, healthy parents. A review of proximal 6q deletions is made.
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A cell line of penile cancer from a 60-year-old Ugandan black patient has been studied by the authors. Transmission and scanning electron microscopy showed a large number of blebs and microvilli at cell surface; desmosomes were evident at TEM. Cytogenetic investigation (R-, C-, Nor-banding) showed the frequent presence of some markers: del(1p),del(1q),iso(3q),der(4),del(8p),11q+, t rob(13;14), 14p+, t rob(21;21). The epidemiology, geographical distribution, and aetiological role of human papilloma virus type 16 and herpes simplex type 2 are discussed.
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The authors analyse the expression of all the folate-sensitive fra sites in a sample of 24 male patients with Martin-Bell syndrome (MBS) and their 12 mothers distributed in 10 kindreds. The cytogenetic results are compared with that of a control group, constituted by 8 unrelated normal subjects. Except for the fra Xq27, there was no autosomal folate-sensitive fra site significantly more expressed in patients with MBS than in the control group. On the basis of the present cytogenetic sample of about 6 500 R-banded mitoses, a list of all the in vitro folate-sensitive fra sites and their relative frequencies is given.
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Leukemia patients with diarrhea or other abdominal symptoms have been investigated for the presence of Clostridium difficile and its cytotoxin in stools. Of the patients studied 19% had C. difficile, in most cases together with cytotoxin. All patients but one had received antibiotics, while one had been treated with cytotoxic agents only. Symptoms of colitis were most often abdominal pain and distension rather than diarrhea. Owing to the not infrequent fatal evolution, it is recommended that routine search for C. difficile in leukemia patients with abdominal symptoms be performed and appropriate therapy started immediately.
Intestinal microflora changes in ten adult and healthy subjects after storage of specimen with different modalities, temperatures and times were evaluated quantitatively and qualitatively. Aerobic components (Enterobacteriaceae, Enterococcus, Staphylococcus and Bacillus spp.) did not show considerable variations of concentration in all maintenance conditions. Anaerobic components showed different capacity of survival for every researched genus: Clostridia and Lactobacilli, even kept frozen for one month in glycerol broth at -70 degrees C, maintained a stable viable count; Bacteroides, Fusobacteria, Veillonellae and Peptostreptococci were found stable after one week, while after one month showed a loss of concentration superior to 4 Log; Eubacteria were found remarkably reduced after seven days and completely lost after one month.
30 strains of Cl. difficile isolated from faeces of patients with pseudomembranous colitis (PMC), antibiotic associated diarrhoea (AAC) and other intestinal disorders and from faeces of asymptomatic carriers were studied for production of toxins. Tissue culture assay was used for the detection of cytotoxin (toxin B) and ileal loop test for enterotoxin (toxin A). All Cl. difficile isolates from patients with PMC and AAC were found to produce cytotoxin, whereas enterotoxin was demonstrated only in approximately 70% of strains.
Fifty four cases of acute large bowel obstruction were observed in an overall groups of 266 patients with colonic carcinoma. Pre-operative elements which seems to contra-indicate a primary radical surgery and advantages of the same procedure are considered. In the experience of the Authors, primary and delayed staged resection of the cancer seems to give the same survival rate at short and long term. Choice of surgery of obstructive large bowel carcinoma should be based pratically on general patient's conditions.
After describing the most common causes of chronic pelvic pain in women the Authors stress the importance of psychosomatic factors to the pathogenesis of chronic pelvic pain. Bearing this in mind it is easier to understand why the results of pharmacologic treatments often fail to come up to doctor's and patient's expectations. These limitations have often been stressed in the literature and several alternatives, like individual or group psychological treatment or, more recently, acupuncture, have been suggested. The Authors' proposal for treatment envisaged a dozen meetings to carry out skin reflexotherapy. Significant psychological elements came to light on those occasions and were subsequently discussed. The Authors' experience, though covering 15 cases only, is extremely encouraging and confirms the value of this reflexotherapeutical and psychosomatic approach which can really help patients who are chiefly alexitimic to overcome their problems.
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