Clinical forms have been better defined on the basis of better experimental models. Estrogen-binding proteins have been detected in the fungal cytosol, and during the transformation novel proteins are produced as a result of estradiol incorporation. Hormonal influences on the transformation of the fungus (mycelium or conidium to yeast phase) have been demonstrated. The mycelial-to-yeast-phase transformation requires a strict control of glucan synthesis probably mediated by membrane enzymes. Mycelial propagules, chlamydospores, and arthroconidia exhibit thermal dimorphism arthroconidia are infectious in animals and, by electron microscopy, appear well provided for survival. 2002 Jan 36(1):33–6.This review summarizes knowledge on various aspects of paracoccidioidomycosis. Melanotic neuroectodermal tumor of infancy discovered after head trauma. Paueksakon P, Parker JR, Fan X, Miles G, Ruiz H, Wushensky C, et al. Intracranial hemangiopericytomas: MR and CT features. Childhood leukemia: Central nervous abnormalities during and after treatment. Available Ĭhen CY, Zimmerman R a., Faro S, Bilaniuk LT, Chou TY, Molloy PT. Central Nervous System Lymphoma: Characteristic Findings on Traditional Advanced Imaging. Tuberculosis central nervous system: overview of neuroradiological findings. Available from: īernaerts A, Vanhoenacker FM, Parizel PM, Van Goethem JWM, Van Altena R, Laridon A, et al. Rare and challenging extra-axial brain and MRI findings with clinico-radiological differential diagnosis and pathological correlation. 2012 4(3):75.ĭemir MK, Yapicier O, Onat E, Toktas ZO, Akakin A, Urgun K, et al. Dural lesions mimicking meningiomas: A pictorial essay. CT density measurement and H:H ratio are diagnosing acute cerebral venous sinus thrombosis. Buyck PJ, De Keyzer F, Vanneste D, Wilms G, Thijs V, Demaerel P. Intracranial metastasis or meningioma? Surg Neurol. Tagle P, Villanueva P, Torrealba G, Huete I. From the radiologic pathology archives: mass lesions dura: beyond meningioma-radiologic-pathologic correlation. Smith AB, Horkanyne-Szakaly I, Schroeder JW, Rushing EJ. Differential CT features of acute lentiform subdural hematoma and epidural hematoma. Su I-C, Wang K-C, Huang S-H, Li C-H, Kuo L-T, Lee J-E, et al. Traumatic injuries: imaging of head injuries. 2002 (November).ĬNS Tumours and Masses | Radiology Notes. Intracranial Tumors?: A Radiologic Approach. The Radiology Assistant?: Brain Tumor - Systematic Approach. Una lesión extra-axial hiperdensa en la TC de cabeza sin contraste es un hallazgo frecuente, que debe abrir diagnósticos diferenciales, siendo en ocasiones necesaria una prueba complementaria más específica para llegar al diagnóstico (por lo general, una RM de cabeza ). La TC de cabeza es una prueba ampliamente utilizada debido a su disponibilidad y bajo costo, y es una de las exploraciones solicitadas en los los servicios de consulta externa y emergencia. Consolidar los criterios de diagnóstico diferencial entre lesiones extra-axiales e intra en el craneo.Proporcionar una guía sistemática de diagnóstico diferencial cuando se observan lesiones hiperdensas extra-axiales craneal sin contraste.Mostrar una amplia gama de patologías extra-axiales que tienen en común la hiperdensidad en la TC craneal sin.Lesiones extraaxiales hiperdensas, poster, seram, TC de craneo sin contraste Resumen
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