Orbital schwannomas are rare, presenting a rate of incidence between 1 and 5% of all
orbital lesions. Their most common clinical symptoms are promoted by mass effect,
such as orbital pain and proptosis. The best complementary exam is the magnetic
resonance imaging (MRI), which shows low signal in T1, hig...
Schwannomas of peripheral nerves are the most common benign tumors in this location; it has specific radiologic and histologic features that enable its fundamental distinction of neurofibromas. Given its importance in neurosurgical practice, known radiologic and histologic criteria must be updated regard...
El schwannoma (neurilemoma) es un tumor benigno de lento crecimiento originado en la vaina de Schwann, cuya localización en la cavidad torácica es excepcional. En general es asintomático y se descubre en forma incidental, aunque puede ocasionar sÃntomas cuando la lesión crece o invade estructuras su...
Descreveu-se uma paciente de 68 anos, com um grande tumor orbitário intraconal, cujo sinal de apresentaçäo foi proptose acompanhada de uma ectasia posterior do globo ocular. O diagnóstico anatomopatológico mostrou um Schwannoma maligno, um tumor extremamente raro na órbita. A deformidade ocular pro...