Biomedical subjects
Publications and source records attributed to S Spoto.
Though currently conservative surgical procedures have an ever-growing importance in breast cancer treatment, there is still place for radical surgery. The Authors describe radical techniques and their indications. The surgeon must know how to choose the proper radical technique, when it is not possible to perform a conservative surgical procedure.
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A severe, life-threatening metabolic alchalosis associated with a stenosing pancreatic carcinoma in a female type II diabetic patients is presented, and a review of the most frequent causes of hyperemesis, orthostatic hypotension and lethargy is shown.
The case of a 61 yo diabetic woman presenting with dysuria and lower abdominal pain is described. The incomplete resolution of the clinical picture after short antibiotic treatment and a strong suspect of autonomic neuropathy oriented to an anamnestic reevaluation that evidenced the presence of pneumaturia. The last was the key-symptom that guided to diagnostic imaging showing emphysematous cystitis while a gastroscopy confirmed the presence of autonomic neuropathy manifested by gastroparesis. Emphisematous cystitis is a characteristic infectious complication of diabetic patients induced by a persistent incomplete bladder emptying and bacterial glucose fermentation. The complete eradication of the infectious agent requires a long term antibiotic course and a prompt identification of this pathology.
A case of pericardial effusion presenting clinically with pretamponade is shown. TBC is not a rare cause of Pericardial effusion and at present Tuberculosis is a more and more frequent infection also in occidental countries. Guide lines for diagnosis and treatment are revised.
Radiographic contrast agents can cause acute renal failure that may be due to acute tubular necrosis (ATN). We prospectively studied 45 patients with risk factors for ATN who were undergoing computed tomography with three nonionic contrast agents (ioversolo, iobitridolo and iodixanolo). Patients were randomly assigned either to receive preventive management (0.45% saline intravenously, before and after administration of the contrast agent; mannitol 20% 250 mL i.v. 60 min before and 60 min after the contrast agent; furosemide 80 mg i.v. 30 min before the contrast agent; dopamine 3 g/Kg/min i.v. after administration of the contrast agent for 24 hours) or to receive placebo. Prophylactic management prevents the reduction in renal function induced by ioversolo, iobitridolo and iodixanolo, three noninonic contrast agents in patients with risk factors for ATN.
Prostate carcinoma occurs infrequently in patient less than 50 years old with an incidence of 0.8% to 1.1%. In literature are described less than 20 cases occurred in younger men (< 40 years old). A 36 year-old man with a two-months history of lower back pain, anorexia and loss of weight, showed at clinical examination a mild enlargement of inguinal lymph nodes and right inferior leg and scrotus edema. CT scan demonstrated marked enlargement and fusion of pelvic, inguinal, sacral and periaortic nodes with a pelvic mass that caused local ureterohydronephrosis and obstruction of the urinary flow. X-rays showed osteoblastic metastases. At total body scintigram were observed fixation areas corresponding to lumbar metamers, pelvis, thigh bones, left humeral head, left acromioclavicular articulation and multiple ribs. Tumor markers resulted negative except prostate specific antigen (PSA: 500 mgr/ml) and prostatic acid phosphatase (PAP: 208 U/l); prostate biopsy showed an undifferentiated carcinoma. The patient was submitted to right percutaneous nephrostomy, chemotherapy (PEB, cisplatinum, etoposide and bleomycin for 6 cycles) and ormonotherapy (LHRH analogues) reporting a clinical partial response. After 6 months the disease progressed and was started a second line chemotherapy. After 18 months from diagnosis patient is still alive with progressing disease. Our patient represents, with respect to many features, an original clinical case of prostate carcinoma occurring in young age, for the atypical association of an undifferentiated carcinoma with high levels of PSA and PAP and with osteoblastic-pattern of bone metastases. Further studies would be useful to identify new risk factors for development of prostate cancer in young men in order to achieve early diagnosis.
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A thirty-five years old woman during her twelfth pregnancy presented fever and pain at the left thigh. After cesarean delivery dyspnea added to the first two symptoms and pulmonary embolism was suspected. A clinical history revaluation suggested a diagnosis of infectious endocarditis and femoural osteomielitis due to a septic embolus.
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A seventy-four years old woman is assessed for asthenia, fatigue, non ulcerous dyspepsia with macrocytic anemia. The patient's medical history taking in Binswanger disease--diagnosed 5 aa before-, epilepsy-2 aa before- and a previous episode of TVP of the left leg, suggested the hypothesis that a B12 deficiency, by a chronic gastritis, would involve an increase of homocysteine cause of the clinical manifestations of megaloblastic anemia, Binswanger disease, tardive epilepsy and previous TVP. The fisic and blood and instrumental exams confirmed the clinical diagnosis. The patient is having vitamin B12.
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More than 550,000 American people died for cancer only in 1998 and more than third of them were over 65 years of age. According to recent data in next decade more than 70% of all the deaths for tumour will be verified in the population over 65 years. The cancers mostly frequently associated with the deaths in the elderly population are the tumour of the lung, colon, prostate and breast. Therefore the geriatrics oncology is progressively assuming a central and essential role within the medical oncology. One of the aspects of great interest in the treatment of the cancers of the elderly patient (> 65 years) is the study about some pharmacokinetic modifications of the antitumour medicines in such band of age, and the study about some pattern of toxicity characteristics in the elderly patients. In this ambit there are a few studies in literature devoted specifically to such aspect. This study represents an attempt of revision of the literature finalized to analyse the toxicological and pharmacokinetic characteristics of the principal chemotherapeutic agents used in the therapy of elderly patients affected with cancer. In the last part of the review we have tried to synthesize the state of the art of the achieved results about the medicines that have shown a better therapeutic index and a better impact on the clinical benefit in such population of patients.
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