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Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_591_Библиотеки_им_академика_М_И_Перельмана

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3 Importance andBehavior ofFascia Supercialis forBody-Couturing Surgery
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Fig. 3.3 Drawings on transverse sections showing a comparison of the subcutaneous panniculus of a thin person (above) and a person with localized adiposity (below). The fascia supercialis and lamellar layer in person with localized adiposity increases the thickness much more than the areo­lar layer. The perforator vessels coming from rectus abdominalis muscle crossing perpendicularly the lamellar layer reaching fascia supercialis where create the communicating vessels (CV) which provide smooth vascularization to subdermal layer and dermis as well. Due to my anatomi­cal research in cadaver I created two fascial aps for ear reconstruction which became possible to perform in one single stage: one supplied by temporal supercial artery and other one by posterior auricular artery. Sequential photos and illustrations during surgery: (a) patient with microtia on left side; (b–d) diagrams showing rotation of the two fascial aps covering the new cartilagem auricu­lar framework; (e) perioperative photo shows the fascial ap already rotated covering the new auricular framework; (f) nal surgical reconstruction of the ear with skin graft on posterior side. Sequential photos of dissection on cadaver to demonstrate creation of the temporal fascia ap on left side to be used on ear reconstruction and cranio-facial surgeries as well. Photo (g) incision on scalp was done followed by cutaneous undermining just below the hair follicles without any dam­age to them. The scalp ap is raised from its place in order to create the temporal fascial ap sup­plied by temporal supercial artery; (h) the temporal fascia ap is demarcated with blue ink; (i) the fascia supercialis ap is already raised; (j) the temporal fascia ap having temporal supercial artery in its pedicle is already rotated and covering the left auricle demonstrating its use during ear reconstruction
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J. M. Avelar
Surgical Anatomy andDistribution ofFascia Supercialis
The fascia supercialis is an anatomical structure formed through connective tissue layers, one on top of another, with vessels between them. The arteries come from underneath the muscular plane in those regions and may have localized adiposities in specic regions.
Anatomically, the fascia supercialis is a very thin connective tissue structure formed of several layers with vessels between them. Its sophisticated distribution is a peculiar and important anatomical structure that appears between the skin and the muscular or bone planes at one of two levels: (1) In some regions, the fascia super­cialis is in the middle of the subcutaneous structures, and (2) in other regions, it is near the muscle or bone level.
1. The fascia supercialis is in the middle of the subcutaneous structures. All the
regions of the anterior aspect of the abdominal wall (Fig.3.4a) feature a peculiar distribution in several layers, where fat cells increase the thickness because of the accumulation of fat inside them, as I have demonstrated in my anatomical research with perforator vessels on the projection of the rectus abdominalis (Figs.3.1, 3.2, and 3.5) (Avelar 1986a, b, 1987, 1989a). On the posterior aspect of the torso (Fig.3.4b), among the 11 regions are eight that may present with localized adiposities: two odd, namely interscapular and sacral, and three even, namely scapular, suprailiac, and gluteal (Fig.3.4c).
During an operation, when the skin and subcutaneous panniculus are incised
and the fascia supercialis has not been correctly sutured, it may develop scar
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Fig. 3.4 Diagram (a) showing the supercial aspect of the abdomen with its nine anatomical areas. They are three odds: epigastric, umbilical, and hypogastric; three even: hypochondriac, lum­bar and inguinal. Diagram (b) the supercial aspect of the torso with its 11 regions: three odds: interscapular, vertebral and sacral; four even: scapular, lumbar, suprailiac and gluteal. On (c) the interscapular, scapular and suprailiac may present localized adiposities
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Fig. 3.5 Drawing and anatomical study in fresh cadaver to show relationship of the layers of the subcutaneous panniculus in the abdominal wall. (a) Scheme of the panniculus: skin (S), Areolar Layer (AL), Fascia Supercialis (FS) Communicated Vessels (CV), Perforator Vessels (P) crossing perpendicularly Lamellar Layer (LL). The communicated vessels (CV) create an arch between the perforator vessels (P) from where small vessels go perpendicularly through the areolar layer (AL) to vascularize the areolar and subdermal layers. The lamellar layer (LL) is placed between the rectus abdominalis muscle (RAM) and fascia supercialis (F) where is the correct level to perform liposuction technique; (b) photo of the cadaver’s panniculus after liposuction performed on left side of the abdomen—CV, FS, AL, P and LL.The right side of the abdomen was incised but lipo­suction was not performed, where one can see the full-thickness of the panniculus with all ana­tomic elements
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Fig. 3.6 A 59-year-old patient with unaesthetic surgical scars on abdomen caused by previous operations when fascia supercialis was not properly sutured and the areolar layer lost the ana­tomical structure causing depression, retraction and contraction scars. Photos (a, c) one can see unaesthetic scars on abdominal wall with deep and retracted surgical scars; (b, d) after surgery performed with adequate reparation of the fascia supercialis
retraction and contraction with inelegant results (Figs.3.6, 3.7, 3.8, and 3.9). In such circumstances, the areolar layer loses the important anatomic support natu­rally provided by the fascia supercialis, causing a deep collapse, an unaesthetic surgical scar with irregularities, depression, retraction, and even contraction. If the fascia supercialis has not been properly sutured, the nal scar may present inelegant irregularities caused by the absence of its reparation, which is itself
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Fig. 3.7 A 46-year-old patient with ungraceful and deep surgical scars on abdomen caused by previous operations. It is evident that the fascia supercialis was not properly sutured during origi­nal surgery. Photos (a, c) the scars are so deep, retracted and unaesthetic on abdominal wall; (b, d) after lower lipoabdominoplasty performed with adequate reparation of the fascia supercialis
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Fig. 3.8 A 41-year-old patient presenting deep and unaesthetic surgical scars on supra pubic region due to previous abdominoplasty performed elsewhere and the fascia supercialis was not sutured correctly during operation. Even the umbilical region was too wide and ungraceful. Photos (a, c) unaesthetic scars secondary to previous abdominoplasty performed in other service present­ing deep scar and ungraceful umbilicus; (b, d) after correction of the scars with adequate suture of the fascia supercialis and reparation of the umbilical scar following my technique
due to a disturbance in the vascularization of the areolar layer and the subdermal layer (Fig.3.10e–g).
During surgery, each anatomical structure must be sutured with the same one on the other border of the wound, particularly for the abdominal wall and all the regions of the anterior aspects of the chest to reinstate all layers of the pannicu­lus. When the anatomical architecture of the panniculus has been correctly sutured, it avoids an unaesthetic depression or retractile scars because the fascia supercialis is the basis of the areolar layer, which prevents abnormalities from forming after healing has completed (Fig.3.11a–c, e–g).
During a medial tight lift procedure, the fascia supercialis is an important structure and must be sutured to achieve the adequate suspension of the
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Fig. 3.9 A 36-year-old patient with deep surgical scar on supra pubic region caused by previous intra cavity operation performed by gynecologist. The fascia supercialis was not properly sutured during surgery. Photos (a, c) the scar is deep with retraction and ungraceful appearance; (b, d) after lower lipoabdominoplasty performed with adequate suture of the fascia supercialis
panniculus (Figs.3.12 and 3.13). Such a suture works as a strong suspension to maintain the panniculus in the proper position, as I previous described (Avelar
1997, 1999a, b). Regarding medial thigh suspension, a similar report was pub-
lished by other authors (Lockwood 1995).
2. The fascia supercialis is close to the muscle or bone level. It may appear in most regions of the upper and lower extremities (Fig.3.14) and underneath the scalp (Fig.3.3). In those regions, during surgery, it is also necessary to suture the fascia supercialis. In the temporoparietal region, the presence of the fascia supercialis is an important anatomical structure for which I created useful tem­poroparietal aps to improve ear reconstruction (Figs. 3.3 and 3.15) (Avelar
1977a, b, 1978). Also, the temporoparietal fascia aps are excellent surgical
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Fig. 3.10 A 49-year-old male patient with unaesthetic surgical scars on abdomen caused by previ­ous operations performed elsewhere when the fascia supercialis was not properly sutured. Photos (a, c) one can see deep and unaesthetic scars on abdominal wall presenting deep and retracted surgical scars; (b, d) after surgery performed with adequate reparation of the fascia supercialis. (e) Scheme showing incision of the panniculus with inadequate suture of the subcutaneous layers; (f) as far as only skin was sutured, both sides of the fascia supercialis are not correctly repaired indicate by arrow; (g) nal aspect of the wrong suture of the wound, since fascia supercialis was not sutured it does not reinstate the normal anatomy of the panniculus and areolar layer collapsed downwards causing brosis, local depression with retraction and contraction of the scar, because
options for craniofacial surgery (Avelar 1992; Avelar and Padovez 1982; Avelar and Psillakis 1981). Each ap contains a single pedicle supplied by the temporo­supercial artery, and the other one contains the posterior auricular artery. In my rst publications, because of vital vascularization, performing reconstruction on the auricle in only one stage became possible (Figs.3.3 and 3.15) (Avelar 1977a,
b, 1978).
Nevertheless, I later found an anatomical opportunity to perform primary ear reconstruction without employing the temporoparietal fascial aps. My prefer­ence since that time is to preserve the temporoparietal region and all the struc­tures inside the fascia supercialis for other situations, such as the treatment of eventual complications that may occur after the rst or second stage of ear reconstruction (Avelar 1979; Avelar and Psillakis 1980) So far, it has been very
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Fig. 3.11 A surgical scar on chest wall of a male patient 5years after removal of rib cartilage on right side in which the fascia supercialis and all layers of panniculus were properly sutured during surgery. Photo (a) the arrow indicates the nal scar; (b) perioperative photo shows incision on the panniculus of the chest with arrow indicates the fascia supercialis held by two forceps; (c) after correct suture of the fascia supercialis (indicates by arrow) providing important anatomical sup­port for areolar layer; (d) photo in close up of the same patient showing on photo (a) the scar with excellant healing due to adequate suture of the fascia supercialis providing normal anatomical structure of the panniculus. (e) Scheme demonstrating the correct sutures of the panniculus on regions presenting fascia supercialis between thick areolar and lamellar layers.One can see the suture A is done repairing the fascia supercialis, and the suture B is done repairing the dermis; (f) demonstrates that the fascia supercialis is well repaired creating an adequate support for areolar layer, since the nal scar on the skin is smooth without retraction or contraction to the cutane­ous surface
useful for secondary ear reconstruction and complex deformities caused by the traumatic amputation of the auricle, for which the temporoparietal aps may be primarily employed during rst stage of reconstruction (Avelar 1997).
In some regions, the fascia supercialis is quite close to the cutaneous cover­ing, with very few layers, and its behavior here is similar to that in other regions. An excellent example is in the mastoid region: Here, the fascia supercialis is just above the periosteum and is quite close to the skin. Such knowledge is important when ear reconstruction (on congenital or traumatic amputations) is
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Fig. 3.12 Diagram and photo of the thigh. (a) Internal surface of the thigh. The upper and lower third present thick lamellar layer as is shown in sections A and C.Section B shows the middle third which does not have a lamellar; (b) photo of a female patient presenting localized adiposity on upper third of internal thigh
J. M. Avelar
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Fig. 3.13 Comparison between location of the fascia supercialis in panniculus of chest, anterior side of the thigh and scalp. Photo (a) transoperatory of the right side of the chest for removal of cartilage. One can see: areolar layer (AL), fascia supercialis (FS) is marked with blue ink, muscle (M) underneath; (b) photo of the anterior side of the thigh showing the fascia supercialis (FS) is held by a forceps, the areolar layer (AL) is very thin and attached to the dermis, muscle (M) on depth; (c) incision on scalp showing the fascia supercialis (FS) and areolar layer (AL) are very close to each other and just above the bone (B) of the cranium
performed because it is necessary to undermine the skin in order to create a sub­cutaneous tunnel to embed the new auricular framework in (Avelar 1979; Avelar and Psillakis 1980, 1981). Such a detachment must be carried out just under­neath the subdermal layer and above the fascia supercialis, and surgeons must
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Fig. 3.14 Diagram and anatomic dissections on cadaver’s photos of the right leg. In the diagram (a) shows the cutaneous and subcutaneous layers in three levels: upper, medial and lower; (b) the skin of the leg was incised and undermined just above the fascia supercialis which lies on the muscles; (c) the fascia supercialis is rotated laterally to show the muscles underneath
avoid damaging the vessels inside so that enough blood supply is provided to the cutaneous covering (Fig.3.3e, g). When such a procedure is carried out on the correct level, there is no bleeding during or after the operation. For this reason, it is not necessary to use any kind of postoperative drainage after ear reconstruction. To nd an adequate level, inject saline solution with a thin needle just underneath the skin in a parallel position. Cutaneous incision and undermin­ing must both be performed while the surface of the skin shows elevation from the injection of the saline solution.
In all regions of the face, the fascia supercialis is also quite close to the skin. When cutaneous undermining is performed during a face lift, select the level that is just below the fascia supercialis to preserve adequate vascularization to the subdermal layer and to the skin. This structure is above the supercial musculo­aponeurotic system (SMAS), according to Mitz and Perronie (1976).
Usually, in the upper and lower extremities, the fascia supercialis is quite close to the muscular level, except on the posterior surface of the arm and on the
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Fig. 3.15 Creation of the fascial aps on temporal and parietal regions during anatomical dissec­tions on fresh cadaver. Photo (a) the ap is marked with ink, having its pedicle supplied by tempo­ral supercial artery; (b) the long ap is raised from scalp showing its pedicle
J. M. Avelar
upper and lower thirds of the internal surface of the thigh (Fig.3.12). Once again, in these areas, the fascia supercialis is divided into several layers thanks to the presence of localized adiposities.
In all the regions of the lower and upper extremities, the fascia supercialis features a peculiar distribution that is very close to the musculoaponeurotic level, where arterial and venous vascularization is present (Fig.3.13).
Discussion
Ever since I started my professional activities in 1973, I’ve noticed that several elds in plastic surgery still require further technical development to achieve better aesthetic results and to reduce the incidence of complications. Among those elds were two that came with challenges requiring new techniques to incorporate updated technical knowledge:
1. Ear reconstruction
2. Abdominoplasty
In both elds, I concluded that such technical development requires gaining
more anatomic information to achieve scientic progress.