Biomedical subjects
Publications and source records attributed to R Pisano.
Parotid gland lymphomas are very uncommon. Two patients with this condition were treated in the last decade. Surgery should be used only for diagnosis and becomes unnecessary when adenopathy is present, since a lymph node biopsy will establish the diagnosis.
A 28 year old man developed acute cellular rejection after renal transplantation. He received double i.v. pulses of methylprednisolone. A spontaneous rupture of the right external iliac artery occurred. Histology revealed the presence of aspergillosis. A review of the literature is included.
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The semiological characteristics of the ulcerated gastric lesions, benign and malignant, are on study. Its frequency and location is analysed in 32,829 subjects of 40 or more years of age, apparently in good health, finding gastric ulcers in 2.98% been unique in 2.3% and multiple in 0.68%. A symptomatic group of 8,765 people of 40 or more years, showed gastric ulcer in 7.11% been unique in 5.18% and multiple in 1.93%. It is also reported the frequency of gastric cancer in both studied groups, which leads to permanently propose the differential diagnostic with benign lesions, underlying by its frequency those of ulcerated type. The value of the gastric biopsy in differential diagnosis represents finally an aid of major importance because its high yield.
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