Produção Nacional
Revisado por pares
Petroclival meningiomas: Surgical management and common complications
2009; Elsevier BV; Volume: 16; Issue: 5 Linguagem: Inglês
10.1016/j.jocn.2008.08.011
ISSN1532-2653
AutoresAdriana Tahara, Pedro Augustto de Santana, Marcos Vinícius Calfat Maldaun, Alexandros Panagopoulos, Arnaldo Neves da Silva, Carlos Alexandre Martins Zicarelli, Paulo Henrique Pires de Aguiar,
Tópico(s)Neurofibromatosis and Schwannoma Cases
ResumoPetroclival meningiomas are technically challenging lesions. They have a tendency to grow slowly, involve cranial nerves and compress the brainstem and basilar artery, pushing them to the opposite side. Their natural history is marked by clinical deterioration and fatal outcome. They were once considered inoperable lesions; decades ago, mortality rates were higher than 50%. The authors describe 15 petroclival meningiomas treated surgically between 1995 and 2007. The main approaches used were combined anterior petrosectomy and retrosigmoid (3 cases), retrosigmoid (8 cases), and pre-sigmoid and subtemporal (4 cases). The mortality rate was 13.5% due to surgical bed hematoma and brain ischemia. The post-operative complications were hydrocephalus in 2 cases, cerebrospinal fluid leak in 2 cases and infection of surgical flap in one case. Limiting factors for surgical removal are tumor consistency, encasement of brainstem perforators and pre-operative clinical status.
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