The following definition seems to match your example:

"In geology, a resurgent dome is a dome formed by swelling or rising of a caldera floor due to movement in the magma chamber beneath it. Unlike a lava dome, a resurgent dome is not formed by the extrusion of highly viscous lava onto the surface, but rather by the uplift and deformation of the surface itself by magma movement underground. Resurgent domes are typically found near the center of very large open calderas such as Yellowstone Caldera or Valles Caldera, and in turn such calderas are often referred to as *"resurgent-type" calderas* to distinguish them from the more common (but much smaller) calderas found on shield volcanoes and stratovolcanoes."

http://en.wikipedia.org/wiki/Resurgent_dome

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Note added at 1 hr (2008-11-25 17:51:53 GMT)
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Your source text appears in Wikipedia and makes a clear distinction between "caldera" and "vulcano a recinto".
A "vulcano a recinto" is a subcategory of "caldera".
A "caldera" is a volcano where the magma chamber has collapsed following an eruption, whereas a "vulcano a recinto" is a "caldera" that has been built back up again, not by lava flow from above, but by pressure from beneath.
The structure thus created is called a "resurgent dome" and the type of caldera that has such a structure is called a "resurgent-type caldera".

"I vulcani attivi possono essere sventrati da esplosioni e sprofondare nella camera magmatica sottostante a causa del crollo della volta. La depressione conseguente al collasso dell'edificio vulcanico è chiamata caldera (termine spagnolo che vuol dire "pentolone"). Un esempio di caldera sono i Campi Flegrei, in Campania. Se l'azione riprende con la ricostruzione dell'edificio vulcanico all'interno della caldera, l'intera struttura è detta vulcano a recinto."

http://it.wikipedia.org/wiki/Vulcano#Caldere_e_vulcani_attiv...