Breast immobilisation apparatus for use in breast imaging to allow medical intervention is disclosed. The apparatus comprises a body support platform for supporting the body of a patient in a prone position, the body support platform having a hole through which the breast of a patient is allowed to pendulantly project in use and a breast cup arranged below the hole for receiving a breast of the patient and comprising means for uniformly compressing the breast to immobilise it without substantially deforming the breast, and an aperture arrangement to allow access to a substantial portion of the surface of the breast for medical intervention. A breast immobilisation method for use in breast imaging to allow medical intervention is disclosed. The method comprises supporting the body of a patient in a prone position, pendulantly projecting a breast of the patient through a hole in the body support platform and receiving the breast of the patient in a breast cup, uniformly compressing the breast to immobilise it without substantially deforming the breast, and providing an aperture arrangement to allow access to a substantial portion of the surface of the breast for medical intervention.Linvention concerne un appareil dimmobilisation mammaire utilisé en imagerie mammaire pour permettre une intervention médicale. Ledit appareil comprend une plate-forme de support de corps destinées à supporter le corps de la patiente en position couchée, la plate-forme de support de corps ayant une ouverture à travers laquelle le sein de la patiente peut se projeter pendulant lors de lemploi et un bonnet de sein disposé sous louverture pour recevoir un sein de la patiente et comprenant des moyens permettant de comprimer de manière uniforme le sein afin de limmobiliser sans sensiblement le déformer, et un dispositif dorifice facilitant laccès à une partie substantielle de la surface du sein pour une intervention médicale. Linvention concerne un procédé dimmobilisation mammaire utilisé en i
