Browsing by Author "Hirsch, Michael"
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Item Comprendiendo las fracturas triplanares de la tibia distal.(Sociedad Chilena de Radiologia, 2016) Hirsch, Michael; Flores, Fabiola; Ardiles, Oscar; Rios, DanielTriplane fractures (TF) are a special type of fracture that typically occur in the distal tibia, in a specific age group, and require specific treatment. It should be diagnosed early to avoid complications and irreparable consequences. Imaging techniques play a fundamental role. A review of TF is performed, and cases are presented in order to understand how they occur, and thus diagnose them properlyItem Fantoma para punción tiroidea ecoguiada, de elaboración casera y bajo costo(Sociedad Argentina de Radiologia, 2017) Urbina, Sergio; Balcells, Andrea; Avaria, Pablo; Hirsch, MichaelImage-guided interventional procedures have gained importance in medical practice, particularly for the radiologist, who must be familiar with these techniques that allow him to obtain accurate diagnoses without subjecting the patient to major procedures associated with higher risks.One of these techniques is fine-needle aspiration (FNA) biopsy, which requires training to acquire technical skills to obtain good images and a suitable specimen for accurate cytological evaluation. For these reasons, an inexpensive, easy-to-prepare thyroid phantom model that simulates a multinodular gland and uses the trachea, internal jugular vein, and common carotid artery as internal anatomical landmarks in the neck, was constructed to serve as a training tool for the practice of thyroid punctures by radiology residents.Item Fascioliasis simulating an intrahepatic cholangiocarcinoma—Case report with imaging and pathology correlation(2015) Losada, Héctor; Hirsch, Michael; Guzmán, Pablo; Fonseca, Flery; Hofmann, Edmundo; Alanís, MartínHuman fascioliasis is a rare zoonosis in Chile. Clinically it presents with a highly polymorphous group of symptoms that evolve in two periods. The first, acute or a result of hepatic invasion, lasts 2 weeks to 4 months and is characterized essentially by pain in the right hypochondrium and/or epigastrium, continuous fever and painful hepatomegaly. This clinical picture, associated with eosinophilia and a history of raw watercress consumption, corresponds to the classic presentation of the disease in its initial stage. We report the case of a 57-year-old female patient with no risk factors for and no clinical signs of fascioliasis, with a lesion in the right hepatic lobe compatible with intrahepatic cholangiocarcinoma, studied with computed tomography (CT), magnetic resonance imaging (MRI) and positron emission tomography (PET-CT). With the clinical suspicion of intrahepatic cholangiocarcinoma, a regulated right hepatectomy was performed, the pathological study of which revealed cholangitis and granulomatous pericholangitis resulting from trematode eggs, compatible with Fasciola hepatica.Item Trombosis parcial segmentaria de cuerpo cavernoso: reporte de un caso, imágenes y factores de riesgo(Elsevier, 2016) Avaria, Pablo; Hirsch, Michael; Bustos, Alejandro; Tapia, MarcosPartial segmental thrombosis of the corpus cavernosum (PSTCC) is an extremely rare disease, mainly affecting younger men, and with an aetiology that is not completely understood. It is characterised by thrombosis of the proximal portion of the corpus cavernosum, almost always unilateral, generating perineal pain. In the current case report, a complete description of the risk factors and imaging associated with this pathology is presented.