Medicina
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Rhabdomyosarcoma is a malignant neoplasm of mesenchymal origin with skeletal striated muscular differentiation. It is the most common sarcoma of childhood and has four subtypes: embryonal, alveolar, pleomorphic and spindle cell/sclerosing. Of all of them, the embryonal one is the most prevalent and presents a variant, botryoid, which usually involves hollow organs in the form of a multilobed polypoid mass. ⋯ Areas of densely packed cells were exhibited immediately, but separated from, the intact epithelial lining by a thin layer of loose stroma (cambium layer). The immunostaining profile was positive for desmin, muscle-specific actin and myogenin, and negative for smooth muscle actin. A diagnosis of embryonal botryoid rhabdomyosarcoma of the uterine corpus was made.
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Passive immunotherapy is a therapeutic alternative for patients with COVID-19. ⋯ Although the rate of hospitalization and death were lower than expected, the use of hyperimmune equine serum in the outpatient setting impresses as not providing clinical benefit.
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In Argentina, during the last decade a southward expansion of the mosquito Aedes aegypti has been observed, accompanied by an expansion in the dengue transmission. The objective of this study was to assess the establishment of the dengue mosquito vector in a locality next to its distribution limits by a collaborative work among scientific, municipal and citizen ambits. ⋯ Dengue is an invisible disease in localities in which the mosquito vector has been spreading during the last decade. The information produced by the entomological surveillance is the necessary basis to addresssocial communication to produce behavioral changes in the responsible authorities as well as in the families.