Introducing new FooResult idiom :shipit:
diff --git a/openstack/networking/v2/extensions/results.go b/openstack/networking/v2/extensions/results.go
index 42e7fc3..2b8408d 100644
--- a/openstack/networking/v2/extensions/results.go
+++ b/openstack/networking/v2/extensions/results.go
@@ -1,10 +1,34 @@
 package extensions
 
 import (
+	"fmt"
+
 	"github.com/mitchellh/mapstructure"
+	"github.com/rackspace/gophercloud"
 	"github.com/rackspace/gophercloud/pagination"
 )
 
+type GetResult struct {
+	gophercloud.CommonResult
+}
+
+func (r GetResult) Extract() (*Extension, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var res struct {
+		Extension *Extension `json:"extension"`
+	}
+
+	err := mapstructure.Decode(r.Resp, &res)
+	if err != nil {
+		return nil, fmt.Errorf("Error decoding Neutron extension: %v", err)
+	}
+
+	return res.Extension, nil
+}
+
 // Extension is a struct that represents a Neutron extension.
 type Extension struct {
 	Updated     string        `json:"updated"`