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Heylens G, De Cuypere G, Zucker KJ, Schelfaut C, Elaut E, Vanden Bossche H, De Baere E, T'Sjoen G. Gender identity disorder in twins: a review of the case report literature. J Sex Med 2012. [PMID: 22146048 DOI: 10.1111/j.1743-6109.2011.02567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
INTRODUCTION The etiology of gender identity disorder (GID) remains largely unknown. In recent literature, increased attention has been attributed to possible biological factors in addition to psychological variables. AIM To review the current literature on case studies of twins concordant or discordant for GID. METHODS A systematic, comprehensive literature review. RESULTS Of 23 monozygotic female and male twins, nine (39.1%) were concordant for GID; in contrast, none of the 21 same-sex dizygotic female and male twins were concordant for GID, a statistically significant difference (P=0.005). Of the seven opposite-sex twins, all were discordant for GID. CONCLUSIONS These findings suggest a role for genetic factors in the development of GID.
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Heylens G, De Cuypere G, Zucker KJ, Schelfaut C, Elaut E, Vanden Bossche H, De Baere E, T'Sjoen G. Gender identity disorder in twins: a review of the case report literature. J Sex Med 2011; 9:751-7. [PMID: 22146048 DOI: 10.1111/j.1743-6109.2011.02567.x] [Citation(s) in RCA: 160] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The etiology of gender identity disorder (GID) remains largely unknown. In recent literature, increased attention has been attributed to possible biological factors in addition to psychological variables. AIM To review the current literature on case studies of twins concordant or discordant for GID. METHODS A systematic, comprehensive literature review. RESULTS Of 23 monozygotic female and male twins, nine (39.1%) were concordant for GID; in contrast, none of the 21 same-sex dizygotic female and male twins were concordant for GID, a statistically significant difference (P=0.005). Of the seven opposite-sex twins, all were discordant for GID. CONCLUSIONS These findings suggest a role for genetic factors in the development of GID.
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Wierckx K, Van Caenegem E, Elaut E, Dedecker D, Van de Peer F, Toye K, Weyers S, Hoebeke P, Monstrey S, De Cuypere G, T'Sjoen G. Quality of Life and Sexual Health after Sex Reassignment Surgery in Transsexual Men. J Sex Med 2011; 8:3379-88. [DOI: 10.1111/j.1743-6109.2011.02348.x] [Citation(s) in RCA: 137] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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De Cuypere G, Knudson G, Bockting W. Second Response of the World Professional Association for Transgender Health to the Proposed Revision of the Diagnosis of Gender Dysphoria forDSM 5. Int J Transgend 2011. [DOI: 10.1080/15532739.2011.624047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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Elaut E, Buysse A, De Sutter P, De Cuypere G, Gerris J, Deschepper E, T'Sjoen G. Relation of androgen receptor sensitivity and mood to sexual desire in hormonal contraception users. Contraception 2011; 85:470-9. [PMID: 22133661 DOI: 10.1016/j.contraception.2011.10.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Revised: 10/13/2011] [Accepted: 10/15/2011] [Indexed: 10/14/2022]
Abstract
BACKGROUND Since very little research in this field is available, this study aims to assess the role of psychosexual, relationship, hormonal and genetic measures in the sexual desire of users of three hormonal contraceptive products [low-dose combined oral contraceptive (20 mcg ethinylestradiol/150 mcg desogestrel), progestin-only pill (75 mcg desogestrel) and vaginal ring (daily dose of 15 mcg ethinylestradiol/120 mcg etonogestrel)]. STUDY DESIGN Fifty-five couples were randomized over three groups in which the women consecutively used each product during 3 months. Both partners repeatedly filled out questionnaires on solitary and dyadic sexual desire (desire to behave sexually by oneself or towards a partner). Total and free testosterone, sex hormone binding globulin and a genetic marker of androgen receptor sensitivity [cytosine-adenine-guanine (CAG) repeat length] were assessed on blood samples of the female partners. RESULTS Sexual desire was higher in women with either short or long CAG repeats (solitary, p=.004; dyadic, p=.008). Desire levels were higher during vaginal ring use (solitary, p=.018; dyadic, p=.007). The woman's mood was found to impact her dyadic sexual desire (p<.001); this scale was also strongly associated with the male partner's dyadic sexual desire (p<.001). CONCLUSIONS The current study found evidence for a role of androgen receptor sensitivity and mood in the sexual desire of hormonal contraceptive users.
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Knudson G, De Cuypere G, Bockting W. Response of the World Professional Association for Transgender Health to the Proposed Revision of the Diagnosis of Transvestic Fetishism forDSM 5. Int J Transgend 2011. [DOI: 10.1080/15532739.2011.606201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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Knudson G, De Cuypere G, Bockting W. Second Response of the World Professional Association for Transgender Health to the Proposed Revision of the Diagnosis of Transvestic Disorder forDSM5. Int J Transgend 2011. [DOI: 10.1080/15532739.2011.606195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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T'Sjoen G, De Cuypere G, Monstrey S, Hoebeke P, Freedman FK, Appari M, Holterhus PM, Van Borsel J, Cools M. Male gender identity in complete androgen insensitivity syndrome. ARCHIVES OF SEXUAL BEHAVIOR 2011; 40:635-638. [PMID: 20358272 DOI: 10.1007/s10508-010-9624-1] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2010] [Revised: 03/06/2010] [Accepted: 03/17/2010] [Indexed: 05/29/2023]
Abstract
Women and girls with complete androgen insensitivity syndrome (CAIS) invariably have a female typical core gender identity. In this case report, we describe the first case of male gender identity in a CAIS individual raised female leading to complete sex reassignment involving both androgen treatment and phalloplasty. CAIS was diagnosed at age 17, based on an unambiguously female phenotype, a 46,XY karyotype, and a 2660delT androgen receptor (AR) gene mutation, leading to a premature stop in codon 807. Bilateral gonadectomy was performed but a short period of estrogen treatment induced a negative emotional reaction and treatment was stopped. Since the age of 3, childhood-onset cross gender behavior had been noticed. After a period of psychotherapy, persisting male gender identity was confirmed. There was no psychiatric co-morbidity and there was an excellent real life experience. Testosterone substitution was started, however without inducing any of the desired secondary male characteristics. A subcutaneous mastectomy was performed and the patient received phalloplasty by left forearm free flap and scrotoplasty. Testosterone treatment was continued, without inducing virilization, and bone density remained normal. The patient qualifies as female-to-male transsexual and was treated according to the Standards of Care by the World Professional Association for Transgender Health with good outcome. However, we do not believe that female sex of rearing as a standard procedure should be questioned in CAIS. Our case challenges the role of a functional AR pathway in the development of male gender identity.
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Nieder TO, Herff M, Cerwenka S, Preuss WF, Cohen‐Kettenis PT, De Cuypere G, Hebold Haraldsen IR, Richter‐Appelt H. Age of Onset and Sexual Orientation in Transsexual Males and Females. J Sex Med 2011; 8:783-91. [DOI: 10.1111/j.1743-6109.2010.02142.x] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Inoubli A, De Cuypere G, Rubens R, Heylens G, Elaut E, Van Caenegem E, Menten B, T'Sjoen G. Karyotyping, Is It Worthwhile in Transsexualism? J Sex Med 2011; 8:475-8. [DOI: 10.1111/j.1743-6109.2010.02130.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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De Cuypere G, Knudson G, Bockting W. Response of the World Professional Association for Transgender Health to the ProposedDSM 5Criteria for Gender Incongruence. Int J Transgend 2010. [DOI: 10.1080/15532739.2010.509214] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Knudson G, De Cuypere G, Bockting W. Process Toward Consensus on Recommendations for Revision of theDSMDiagnoses of Gender Identity Disorders by the World Professional Association for Transgender Health. Int J Transgend 2010. [DOI: 10.1080/15532739.2010.509213] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Knudson G, De Cuypere G, Bockting W. Recommendations for Revision of theDSMDiagnoses of Gender Identity Disorders: Consensus Statement of the World Professional Association for Transgender Health. Int J Transgend 2010. [DOI: 10.1080/15532739.2010.509215] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Monstrey S, Vercruysse H, De Cuypere G. Is Gender Reassignment Surgery Evidence Based? Recommendation for the Seventh Version of the WPATHStandards of Care. Int J Transgend 2009. [DOI: 10.1080/15532730903383799] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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De Cuypere G, Vercruysse H. Eligibility and Readiness Criteria for Sex Reassignment Surgery: Recommendations for Revision of the WPATHStandards of Care. Int J Transgend 2009. [DOI: 10.1080/15532730903383781] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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Weyers S, Elaut E, De Sutter P, Gerris J, T'Sjoen G, Heylens G, De Cuypere G, Verstraelen H. Long-term Assessment of the Physical, Mental, and Sexual Health among Transsexual Women. J Sex Med 2009; 6:752-60. [DOI: 10.1111/j.1743-6109.2008.01082.x] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Van Borsel J, Van Eynde E, De Cuypere G, Bonte K. Feminine after cricothyroid approximation? J Voice 2008; 22:379-84. [PMID: 17280818 DOI: 10.1016/j.jvoice.2006.11.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2006] [Accepted: 11/01/2006] [Indexed: 10/23/2022]
Abstract
A number of studies have evaluated the effectiveness of a cricothyroid approximation (CA) in creating a more female voice in male-to-female transsexuals (MFTs) from an acoustic perspective. An increase in pitch is of little value, however, unless it accurately indicates listeners' perceptions of gender. The purpose of this study was to further investigate the effectiveness of a CA in feminizing the voice from a perceptual perspective. Video recordings of nine MFTs, nine nontranssexual males (NTMs), and nine nontranssexual females (NTFs) were presented twice to the panel of judges in a randomized order: first auditory only (only hearing a subject's speech) and subsequently audiovisual (hearing and seeing a subject's speech). The panel of judges, 42 students (21 female, 21 male) from different disciplines, rated the participants' voices on a 100-mm visual analog scale with "very male" and "very female" as left and right extremes, respectively. The group of MFT obtained scores that were situated in between those of the NTM and the NTF, both for the auditory only and the audiovisual mode of presentation. Perception of femaleness significantly correlated with average fundamental frequency for both modes of presentation. It can be concluded that a CA approximation is a viable option to raise the voice pitch in MFTs but that this surgery alone may not be sufficient to create a voice that is perceived as a totally female.
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Lumen N, Monstrey S, Selvaggi G, Ceulemans P, De Cuypere G, Van Laecke E, Hoebeke P. Phalloplasty: a valuable treatment for males with penile insufficiency. Urology 2008; 71:272-6; discussion 276-7. [PMID: 18308099 DOI: 10.1016/j.urology.2007.08.066] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2007] [Revised: 06/25/2007] [Accepted: 08/10/2007] [Indexed: 11/20/2022]
Abstract
OBJECTIVES To apply a phalloplasty technique used in female-to-male transsexual surgery in male patients with penile insufficiency. METHODS Seven male patients (aged 15 to 42 years) were treated with phalloplasty (6 with radial forearm free flap and one with anterolateral thigh flap) between March 2004 and April 2006 (follow-up, 9 to 34 months). All patients suffered psychologically from their condition, with low self-esteem and sexual and relational dysfunction. They were evaluated by a sexologist-psychiatrist before and after surgery. Erectile implant surgery is offered approximately 1 year after the phallic reconstruction. RESULTS There were no complications concerning the flap. Two complications were reported in the early postoperative period. Two patients developed urinary complications (stricture and/or fistula). Patient satisfaction after surgery was high in 6 cases and moderate in 1 case. Psychological evaluation confirms this, especially on the self-esteem level. Four patients underwent erectile implant surgery. In 2 patients the erectile implant had to be removed. CONCLUSIONS This success has convinced us that phalloplasty is a valuable treatment for penile insufficiency. It has good results in terms of patient self-esteem and sexual well-being. This technique opens new horizons for the treatment of penile agenesis, micropenis, crippled penis, shrivelled penis, some disorders of sexual development, traumatic amputations, and cloacal exstrophy.
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Elaut E, De Cuypere G, De Sutter P, Gijs L, Van Trotsenburg M, Heylens G, Kaufman JM, Rubens R, T'Sjoen G. Hypoactive sexual desire in transsexual women: prevalence and association with testosterone levels. Eur J Endocrinol 2008; 158:393-9. [PMID: 18299474 DOI: 10.1530/eje-07-0511] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE An unknown proportion of transsexual women (defined as post-operative male-to-female transsexuals on oestrogen replacement) experience hypoactive sexual desire disorder (HSDD). It has been suggested that the absence of ovarian androgen production together with oestrogen treatment-related increase in sex hormone-binding globulin (SHBG) levels could be leading to HSDD, due to low levels of biologically available testosterone. This study wishes to document the HSDD prevalence among transsexual women and the possible association to androgen levels. DESIGN Cross-sectional study. METHODS Transsexual women (n=62) and a control group of ovulating women (n=30) participated in this study. Questionnaires measuring sexual desire (sexual desire inventory) and relationship and sexual satisfaction (Maudsley Marital Questionnaire) were completed. Serum levels of total testosterone, LH and SHBG were measured in blood samples obtained at random in transsexual women and in the early follicular phase in ovulating women. RESULTS The transsexual group had lower levels of total and calculated free testosterone (both P<0.001) than the ovulating women. HSDD was reported in 34% of the transsexual and 23% of the ovulating women (P=0.30). Both groups reported similar levels of sexual desire (P=0.97). For transsexual women, no significant correlation was found between sexual desire and total (P=0.64) or free testosterone (P=0.82). In ovulating women, these correlations were significant (P=0.006, resp. P=0.003). CONCLUSIONS HSDD is reported in one-third of transsexual women. This prevalence is not substantially different from controls, despite markedly lower (free) testosterone levels, which argues against a major role of testosterone in this specific group.
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Kins E, Hoebeke P, Heylens G, Rubens R, De Cuypere G. The female-to-male transsexual and his female partner versus the traditional couple: a comparison. JOURNAL OF SEX & MARITAL THERAPY 2008; 34:429-438. [PMID: 18770112 DOI: 10.1080/00926230802156236] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In this explorative study, nine stable relationships between female-to-male transsexuals and their biologically female partners were compared to an equal number of "traditional" heterosexual couples. The aim was to investigate any differences between these two groups on three aspects: satisfaction about the partner relationship, sexual satisfaction, and partnership sex typing. Data do not show any significant differences in relational and sexual satisfaction between the transsexuals' female partner and the women in the "traditional" couples. In contrast, the female-to-male transsexuals and their female partners were found to have adopted a more pronounced sex-typed partner relationship than the "traditional" couples.
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Selvaggi G, Monstrey S, Ceulemans P, T'Sjoen G, De Cuypere G, Hoebeke P. Genital sensitivity after sex reassignment surgery in transsexual patients. Ann Plast Surg 2007; 58:427-33. [PMID: 17413887 DOI: 10.1097/01.sap.0000238428.91834.be] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Tactile and erogenous sensitivity in reconstructed genitals is one of the goals in sex reassignment surgery. Since November 1993 until April 2003, a total of 105 phalloplasties with the radial forearm free flap and 127 vaginoclitoridoplasties with the inverted penoscrotal skin flap and the dorsal glans pedicled flap have been performed at Ghent University Hospital. The specific surgical tricks used to preserve genital and tactile sensitivity are presented. In phalloplasty, the dorsal hood of the clitoris is incorporated into the neoscrotum; the clitoris is transposed, buried, and fixed directly below the reconstructed phallic shaft; and the medial and lateral antebrachial nerves are coapted to the inguinal nerve and to one of the 2 dorsal nerves of the clitoris. In vaginoplasty, the clitoris is reconstructed from a part of the glans penis inclusive of a part of the corona, the inner side of the prepuce is used to reconstruct the labia minora, and the penile shaft is inverted to line the vaginal cavity. MATERIAL AND METHODS A long-term sensitivity evaluation (performed by the Semmes-Weinstein monofilament and the Vibration tests) of 27 reconstructed phalli and 30 clitorises has been performed. RESULTS The average pressure and vibratory thresholds values for the phallus tip were, respectively, 11.1 g/mm and 3 microm. These values have been compared with the ones of the forearm (donor site). The average pressure and vibratory thresholds values for the clitoris were, respectively, 11.1 g/mm and 0.5 microm. These values have been compared with the ones of the normal male glans, taken from the literature. We also asked the examined patients if they experienced orgasm after surgery, during any sexual practice (ie, we considered only patients who attempted to have orgasm): all female-to-male and 85% of the male-to-female patients reported orgasm. CONCLUSION With our techniques, the reconstructed genitalia obtain tactile and erogenous sensitivity. To obtain a good tactile sensitivity in the reconstructed phallus, we believe that the coaptation of the cutaneous nerves of the flap with the ilioinguinalis nerve and with one of the 2 nerves of the clitoris is essential in obtaining this result. To obtain orgasm after phalloplasty, we believe that preservation of the clitoris beneath the reconstructed phallus and some preservation of the clitoris hood are essential. To obtain orgasm after a vaginoplasty, the reconstruction of the clitoris from the neurovascular pedicled glans flap is essential.
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De Cuypere G, T'Sjoen G, Beerten R, Selvaggi G, De Sutter P, Hoebeke P, Monstrey S, Vansteenwegen A, Rubens R. Sexual and physical health after sex reassignment surgery. ARCHIVES OF SEXUAL BEHAVIOR 2005; 34:679-90. [PMID: 16362252 DOI: 10.1007/s10508-005-7926-5] [Citation(s) in RCA: 223] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2004] [Revised: 09/02/2004] [Accepted: 12/02/2004] [Indexed: 05/05/2023]
Abstract
A long-term follow-up study of 55 transsexual patients (32 male-to-female and 23 female-to-male) post-sex reassignment surgery (SRS) was carried out to evaluate sexual and general health outcome. Relatively few and minor morbidities were observed in our group of patients, and they were mostly reversible with appropriate treatment. A trend toward more general health problems in male-to-females was seen, possibly explained by older age and smoking habits. Although all male-to-females, treated with estrogens continuously, had total testosterone levels within the normal female range because of estrogen effects on sex hormone binding globulin, only 32.1% reached normal free testosterone levels. After SRS, the transsexual person's expectations were met at an emotional and social level, but less so at the physical and sexual level even though a large number of transsexuals (80%) reported improvement of their sexuality. The female-to-males masturbated significantly more frequently than the male-to-females, and a trend to more sexual satisfaction, more sexual excitement, and more easily reaching orgasm was seen in the female-to-male group. The majority of participants reported a change in orgasmic feeling, toward more powerful and shorter for female-to-males and more intense, smoother, and longer in male-to-females. Over two-thirds of male-to-females reported the secretion of a vaginal fluid during sexual excitation, originating from the Cowper's glands, left in place during surgery. In female-to-males with erection prosthesis, sexual expectations were more realized (compared to those without), but pain during intercourse was more often reported.
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Selvaggi G, Ceulemans P, De Cuypere G, VanLanduyt K, Blondeel P, Hamdi M, Bowman C, Monstrey S. Gender identity disorder: general overview and surgical treatment for vaginoplasty in male-to-female transsexuals. Plast Reconstr Surg 2005; 116:135e-145e. [PMID: 16267416 DOI: 10.1097/01.prs.0000185999.71439.06] [Citation(s) in RCA: 121] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
LEARNING OBJECTIVES After studying this article, the participant should be able to discuss: 1. The terminology related to male-to-female gender dysphoria. 2. The different theories regarding cause, epidemiology, and treatment of gender dysphoria. 3. The surgical goals of sex reassignment surgery in male-to-female transsexualism. 4. The surgical techniques available for sex reassignment surgery in male-to-female transsexualism. BACKGROUND Gender identity disorder (previously "transsexualism") is the term used for individuals who show a strong and persistent cross-gender identification and a persistent discomfort with their anatomical sex, as manifested by a preoccupation with getting rid of one's sex characteristics, or the belief of being born in the wrong sex. Since 1978, the Harry Benjamin International Gender Dysphoria Association (in honor of Dr. Harry Benjamin, one of the first physicians who made many clinicians aware of the potential benefits of sex reassignment surgery) has played a major role in the research and treatment of gender identity disorder, publishing the Standards of Care for Gender Dysphoric Persons. METHODS The authors performed an overview of the terminology related to male-to-female gender identity disorder; the different theories regarding cause, epidemiology, and treatment; the goals expected; and the surgical technique available for sex reassignment surgery in male-to-female transsexualism. RESULTS Surgical techniques available for sex reassignment surgery in male-to-female transsexualism, with advantages and disadvantages offered by each technique, are reviewed. Other feminizing nongenital operative interventions are also examined. CONCLUSIONS This review describes recent etiopathogenetic theories and actual guidelines on the treatment of the gender identity disorder in male-to-female transsexuals; the penile-scrotal skin flap technique is considered the state of the art for vaginoplasty in male-to-female transsexuals, whereas other techniques (rectosigmoid flap, local flaps, and isolated skin grafts) should be considered only in secondary cases. As techniques in vaginoplasty become more refined, more emphasis is being placed on aesthetic outcomes by both surgeons and patients.
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