Background
The importance of the clitoris as an organ has been neglected by doctors and anatomists over the centuries. Its central role in female sexuality is widely recognized and respected. Although multiple studies have been conducted on the fundiform ligament of the penis, the literature concerning the suspensory ligament of the clitoris is extremely poor. The possibility to describe its complex structure may help us understand female orgasm and sexuality.
Aim
Carrying out an anatomical and histological study about the supporting ligaments of the clitoris and in particular the suspensory ligament of the clitoris.
Study Design
A total of 10 female cadavers were dissected specifically for this study. All the supporting structures of the clitoris were studied, photographed and measured. A histological study of these structures was also carried out.
Results
The suspensory ligament of the clitoris is a multidimensional structure consisting of three anatomically and histologically distinct components. The superficial layer originates from the anterior abdominal wall, it is the anatomical extension of the fascia superficialis of the abdomen. It mainly consists of loosely organized elastic fibers, fibroblasts and few loosely organized collagen fibers. The intermediate component also originates from the anterior abdominal wall through the extensions of the abdominal aponeurosis that reach the body of the clitoris. It completely encloses the clitoral body and sends lateral extensions to the labia majora. Histologically, this layer mainly consists of well-organized collagen fibers as well as fibroblasts. The deep component is shorter and extends from the pubic symphysis to the knee of the clitoris and also connects the two crus to the pubic symphysis. It almost exclusively consists of very well organized collagen fibers.
Conclusion
The suspensory ligament of the clitoris is a multidimensional structure that extends from the anterior abdominal wall to the clitoris. Unlike previous descriptions of the ligament supporting the clitoris, we observed that this structure consists of three anatomically and histologically distinct layers. These new anatomical considerations must be taken into account for any surgery affecting the subcutaneous tissues of the pubis and the abdomen as well as for reconstructive surgery of the clitoris and metoidioplasty.
Objective Pyriform aperture enlargement or “pyriplasty” is an uncommonly used procedure for internal nasal valve obstruction in adults besides functional rhinoplasty, inferior turbinate reduction, and septoplasty. A systematic review of the literature was performed to analyze current surgical techniques, their suggested indications, and their related outcome in terms of success and complications. Data Sources The search was performed on PubMed, EMBASE, SCOPUS, and Cochrane databases. Review Methods The systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Studies on congenital, traumatic, tumoral, or infectious internal nasal valve obstruction were excluded. Results Eight articles were finally included. Three types of pyriplasty have been described according to the level of bone resection: low-level pyriplasty through the sublabial approach, mid-level pyriplasty through endonasal approach, and extended pyriplasty through either approach. Indications included (1) clinically or radiologically narrow pyriform aperture, (2) previously unsuccessful internal nasal valve surgery, (3) lateral nasal wall collapse, and (4) inferior turbinate’s head hypertrophy. Subjective improvement of nasal obstruction was reported in these 4 indications. No major complication was encountered. Conclusion Pyriplasty for nasal obstruction is a simple and safe procedure that could be effective in selected cases. However, level of evidence is currently low, and success rate may vary with indications and pyriplasty techniques. Moreover, there is no clear definition of normal pyriform aperture dimensions to date. Further prospective studies are thereby necessary and should include radiological analysis of pyriform aperture and validated nasal obstruction measurement tools.
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