Rita María Regojo

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Most of urothelial carcinomas (UC) have a pattern of histological growth of papillary or solid type; nevertheless, in some cases there are histological types that significantly differ from these habitual patterns In this paper we have selected those UC variants that by its diagnosis difficulty and therapeutical or prognosis implications have to be perfectly(More)
Signet-ring stromal tumor of the ovary is extremely rare, with only ten cases reported in the literature. We report on a case of signet-ring stromal tumor of the left ovary in a 54-year-old woman who presented with abdominal discomfort. Histologically, the tumor was composed of an admixture of spindle and round cells which contained a large cytoplasmic(More)
OBJECTIVE Knowledge and quantification of the microcirculation are very important for estimating the status of an organ. Real-time contrast-enhanced sonography assesses microvascular tissue perfusion. This technique has been proposed as innocuous; however, data from experimental animals (rats) have shown renal interstitial microhemorrhage after the(More)
Segmental arterial mediolysis (SAM), an uncommon arteriopathy putatively caused by norepinephrine released by alpha-1 adrenergic agonists or some Beta-2 agonists capable of releasing norepinephrine from the peripheral sympathetic nervous system potentially can present ischemic and organ injury symptoms caused by sequelae created in its reparative phase in(More)
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