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Introduction: cartilage-forming tumors are the most frequent primary bone tumors. They are characterized by a strange behavior due to their uncertain evolution and they are difficult to diagnose. Osteochondroma or cartilaginous exostosis is one of the most frequent skeletal tumors. It is a tumor typical of young individuals, with a slight predominance in males. It can be solitary or multiple and is part of the hereditary multiple exostosis syndrome. Patient information: it is presented a male patient, 21 years old, who began to present an increase in volume in the right cervical region secondary to a bone tumor of cartilaginous origin. Conclusions: in this case the location of the osteochondroma is rare (right cervical region). There was no genetic family history of the disease, no symptoms, only local volume increase. X-ray studies and computerized axial tomography are particularly useful in the diagnosis of this condition. [ABSTRACT FROM AUTHOR]

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The article discusses the appropriate use of chest radiography in patients suspected of having COVID-19. It emphasizes that it is not recommended to use it as a screening or confirmation method for the disease. However, three clinical scenarios are established in which its use is considered. Additionally, it is mentioned that imaging tests are not for diagnosis, but for assessing severity and detecting complications. The importance of evaluating the risks and benefits of radiographic studies and using clinical methods without violating established protocols is highlighted. [Extracted from the article]

Copyright of Acta Médica del Centro is the property of Hospital Provincial Universitario Clinico Quirurgico Arnaldo Milian Castro and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: optic nerve drusen are rounded structures of a calcic nature that develop in the optic nerve, and evolve dynamically in adulthood and cause serious campimetric alterations. They tend to appear in small optical discs probably due to the blockage of axonal transport that originates their accumulation. Case report: 22-year-old female patient, with no personal pathological history, who came to the hospital consultation because she had, for some months, dizziness, bifrontal headache refractory to treatment and decreased visual acuity, especially of the left eye. Conclusions: the capacity of these hyaline or drusen bodies to damage the layer of nerve fibers and their effect on visual fields can become incapacitating for the patient's daily functions. [ABSTRACT FROM AUTHOR]

Copyright of Acta Médica del Centro is the property of Hospital Provincial Universitario Clinico Quirurgico Arnaldo Milian Castro and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Médica del Centro is the property of Hospital Provincial Universitario Clinico Quirurgico Arnaldo Milian Castro and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)