[Internal supporting mammary lamina. Results of the detection of breast lesions].

In order to stabilize the curves of a surgically remodelled breast, Bustos associated to a periareolar mammaplasty a synthetic internal supporting lamina. At the beginning, in 1985, a smooth perforated silicone sheet was used. Since then, other materials were proposed (radioopaque ou radiotransparent, resorbable or not). Because of their superficial situation, in front of the mammary gland, it was essential to study the consequences of the presence of such a material on the mammographic follow-up. We radiographied all the different types of sheet in vitro, and also in vivo, 3 to 19 months after surgery. At the same time we studied the modifications in the breast tissue, in 117 patients after surgical treatment for ptosis or mammary hypertrophy, using different kinds of incisions (periareolar or anchor-shaped, J or L shaped, inferolateral oblique or lower vertical incisions). We also studied the effects of mammary implants covered with Dacron, since some internal mammary supporting lamina are made with this material. The silicone sheet gives some artifacts and may calcify. The resorbable sheet has no effects on the mammography. The radiotransparent non resorbable ones causes no problems on short terms, but we are not sure whether some calcifications appear on long term or not.