The potential for a tumor of the upper face, either malignant or nonmalignant, to involve the anterior cranial base is often not appreciated. This leads to inadequate preoperative investigation and to surgery performed by the head and neck surgeon without the help of the neurosurgeon. In this way, complete tumor resection may be compromised or delayed. Neither of these situations is desirable. If the potential for anterior cranial fossa invasion is recognized, there should be prior consultation with the neurosurgeon and a combined operative procedure. Exposure of these lesions has considerably improved with experience in congenital craniofacial deformities: this will allow en bloc resection of most pathologies. Immediate reconstruction after resection of non‐malignant tumors is advocated, but in aggressive—particularly in recurrent—malignancies, delayed reconstruction is advised. Careful combined follow‐up with frequent blind biopsies should be carried out as indicated.
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