RESUMEN
Acute spinal epidural and subdural hematomas are rare entities. The clinical presentation is similar in both cases. MR imaging is the most appropriate imaging technique. On axial images, epidural hematoma has a biconvex shape. It is separated from the spinal cord by the hypointense dura on T2-weighted images. Conversely, subdural hematoma has a crescentic shape on axial images and is located medially to the dura. In the latter case, the epidural fat is not involved. There is no surgical indication for patients with early and rapid regressive symptoms. In other cases the surgical treatment consists of hematoma evacuation.
Asunto(s)
Hematoma Epidural Craneal/diagnóstico , Hematoma Epidural Craneal/cirugía , Hematoma Subdural/diagnóstico , Hematoma Subdural/cirugía , Enfermedad Aguda , Adulto , Anciano , Femenino , Hematoma Epidural Craneal/etiología , Hematoma Subdural/etiología , Humanos , Laminectomía , Imagen por Resonancia Magnética , Masculino , Paraparesia/etiología , Selección de Paciente , Resultado del TratamientoRESUMEN
Subglottic area injuries after prolonged endotracheal intubation are relatively frequent but cricoid cartilage necrosis is rare, with uncertain prognosis. Endoscopic findings are evocative even when clinical signs are not. When suspected, CT scan is required. The CT appearance is not specific, but the diagnosis can be strongly suggested in cases of fragmentation and collapse of the cricoid cartilage. We report two cases of cricoid chondronecrosis.
Asunto(s)
Cartílago Cricoides/patología , Intubación/efectos adversos , Adulto , Femenino , Humanos , Masculino , Necrosis , Factores de TiempoRESUMEN
We describe CT and MR findings in a 23-month-old infant with a melanotic neuroectodermal tumour of the pineal gland. The tumour has been stereotactically biopsied and surgically resected. The pathological diagnosis was made on the resected piece. Embryology of the pineal gland and the histology of melanotic neuroectodermal tumour of infancy are discussed.
