Four patients with tentorial arteriovenous malformations (AVM's) were treated surgically. The operative findings in the first case suggested that clipping of the draining vein close to the AVM may result in complete cure. The three subsequent cases were treated with this technique. The clinical and radiological implications are discussed.

We observed 36 tumors of the cranial vault in children (11 epidermoid and dermoid cysts, 3 meningiomas, 3 malignant tumors, 11 vascular tumors, 6 eosinophilic granulomas, 2 osteomas). The common clinical finding enabling us to include all 36 tumors in this study is a large tumefaction of the cranial vault, without our being able to determine its anatomical starting point or histological nature. These observations are described according to whether they have a bony, dural or cutaneous origin, differentiating tumors of embryological origin. In the majority of cases, internal and external carotid angiography was performed to help surgery, which remains the only cure.

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