An example of traumatic false aneurysm of the right superior cerebellar artery is described. The chronicity of the clinical picture and a positive brain scan strongly suggested a posterior fossa neoplasm; however, the angiographic findings permitted a specific diagnosis to be made.
✓ A case of bilateral enlargement of the optic canals by a craniopharyngioma is documented, and the differential diagnosis from optic glioma is discussed.
INTRODUCCIÓNLa hemoptisis es un síntoma alarmante de curso impredecible que puede ser la primera manifestación de un amplio espectro de enfermedades con una etiología, pronóstico o tratamiento variables (1-3). Una misma causa o prácticamente la mayoría de ellas pueden presentar un sangrado mínimo o amenazante y ser el aviso de una enfermedad grave o una hemorragia fatal que justifican la trascendencia del conocimiento de su etiología y la necesidad de utilizar distintas téc-nicas para llegar a un diagnóstico, localizarla e iniciar un tratamiento (4,5).
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