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Biomedical subjects

C Gasperoni

Publications and source records attributed to C Gasperoni.

6 recordsLinked to original sources

Polyurethane-covered mammary implants: a 12-year experience.

Polyurethane-covered mammary implants are the implants of choice in aesthetic and reconstructive mammary surgery. These implants give very good results in regard to breast contour and consistency, and have a very low complication rate. We present our 12-year experience using polyurethane-covered prostheses. We place the implant mostly in the subglandular or subcutaneous site, and their capsular contracture rate is extremely low (3.3%). Based on our experience, we also review the other complications and side effects occurring with polyurethane prostheses and discuss them in detail.

Breast

Subdermal liposuction.

Liposuction is a widely used technique today and indications are that it is becoming even more popular due to new technical refinements. The use of cannulae with a smaller diameter allows suction of the fat immediately under the dermis. The cannula we use to perform this new kind of fat suction is straight and has an external diameter of less than 2 mm. This cannula, the so-called Mercedes cannula, has a bullet tip and a three-hole head. Moreover, the holes are not round but are slit-shaped and oriented in the same plane at 120 degrees. This cannula is specifically designed to produce less trauma. The cannula with one downward-facing orifice is not suitable for suction of the subdermal layer and an upward-facing orifice would be too traumatic. The advantage of this new technique, apart from the possibility of treating patients with very slight adiposity, is to allow an effective skin retraction. When a large amount of fat has already been aspirated, residual deformities can occur. These skin irregularities represent the lack of an effective cutaneous retraction mostly due to the permanence of the subdermal fat. In fact, the presence of a thick subdermal adipose layer decreases the possibility of skin retraction. Therefore, indications for liposuction of the subdermal fat are mainly the slight adiposities and the remnant deformities of a previous liposuction operation. Moreover, this technique is applied to every lipoplasty whenever better skin retraction is needed.

Adipose Tissue

Preoperative breast marking in reduction mammaplasty.

A simple method of preoperative marking for reduction mammaplasty is described. This method may be used in macromastias when the technique chosen implies a postoperative scar with the shape of an inverted T. The marking sequence follows standard steps, but the drawing is always different because it is a consequence of the shape of the breast. This marking method reduces the chance of making mistakes due to excessive personal evaluations or to the use of standard drawing patterns that may be not suitable for all breast shapes.

Adult

Cleft lip: aesthetic results following a different skin incision.

In a revision of the cleft lip cases repaired in the past 20 years using the most common techniques, the most significant observation that has emerged is the alteration of lip anatomy due to the abnormal dislocation of tissue masses and scar direction. These may have negative consequences on the final development of the lip. In an effort to avoid some of these inconveniences the authors propose a very flexible technique that recalls Pfeiffer's concepts, consisting of a vertical line of incision interrupted at various points so as to obtain angles of different degrees. The method has been named the W-technique with variably sized angles.

Cleft Lip

[Therapeutic indications for immature angioma in the early infancy].

Angiomas are classified briefly and their main features are described. Attention is then directed to the most frequent type: immature angioma. Its main feature is a parenchymatous or soft-elastic consistency; this is important for diagnosis. Little swelling is noted during crying, laughing and with the patient in an inclined position. These angiomas are typical of early infancy and usually regress spontaneously with visible sequelae, as in 70% of the reported series. Treatment should thus be avoided, since it is often useless and may even be damaging. Exceptions include cases where further growth is noted during monthly or bimonthly controls, or where clinically ascertainable cavernomas are formed. Reference is made to the possibility of treatment with triamcinolone, though this is viewed more as a test of the possibility of regression.

Age Factors