Swollen perineal raphe. Signs and Symptoms Dr Basu. Swollen perineal raphe

 
 Signs and Symptoms Dr BasuSwollen perineal raphe

2. Share. 81 may differ. Median raphe cysts usually occur in low-type anorectal malformations and suggest the location of the fistula . The 2024 edition of ICD-10-CM N48. This is the American ICD-10-CM version of N48. The most common symptom of mycotic infection of the perianal and perineal regions is pruritus. Examination revealed a small, poorly outlined, tender, red swelling in the median raphe of the penis near its middle. The perineum is the area between the anus and the vagina/penis. From the raphe, the. The genital area in girls is protected. Rinsing the area with warm water after you use the bathroom. A4 -year-old boy presented at our institution with an anomaly of the perineal median raphe. This condition is one of the uncommon anomalies of urogenital/anogenital region that is unknown to many clinicians. In a new article, our colleagues from IFLScience have put forward a anatomical feature unknown: the perineal raphe. At this point, perineal raphe is formed. The scrotum is a sack of skin divided in two parts by the perineal raphe, which looks like a line down the middle of the scrotum. Scrotal raphe is a slightly elevated ridge of tissue running from the base of the penis to the midline of the perineum. Dansk: 21 årig kvindes anus med fremtrædende Perineal raphe (en sammensmeltning ved mellemkødet, oftest set hos mænd). Treatment is likely to be with chemoradiotherapy. Raphe means the line of union of the two halves of various symmetrical body parts, and the term median raphe refers to the perineal raphe, which is also known as the median raphe of the perineum. The 2024 edition of ICD-10-CM L02. Median raphe cyst (MRC) of the perineum is rare congenital midline cyst of the male genitalia. Swollen perineal A 19-year-old male asked: I think i have a median raphe cyst. The causes of perineal pain are pretty varied, but they fall into a few different categories. The scrotal raphe is in continuity with the penile raphe superiorly and the perineal raphe inferiorly. central tendinous point and the midline raphe on the bulb of the penis. Median raphe cysts are a rare, congenital entity. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. In addition, skin conditions like eczema and scabies can cause a red scrotum. There are two. Perineal fistula and other anorectal. Some of these are overlooked in the delivery room if meconium is passing and the physician does not look closely at the. Penile/scrotal raphe is red. In a 2014 study, researchers found that longer saddle nose lengths produced greater subjective feelings of perineal discomfort and that lengths of 0-3cms were the most comfortable (3). It is mostly presented in female infants as an isolated anomaly but can be found in males as well []. Perineum swelling is associated with a variety of conditions, including: Cysts and abscesses: Cysts (which are fluid-filled sacs) develop due to infection or irritation in the perineum. compresses the vestibular bulb and constricts the vaginal orifice. I don’t know of any procedures to remove it short of testicular nullification. Developmental abnormalities of the male genitalia can result in epithelial-lined canals or cysts which occur along the ventral median raphe from the glans penis to the anus. The stitches will dissolve in 1 to 2 weeks, so they will not need to be removed. Thomas suggests holding a simple, external vibrator—such as a bullet vibrator or a wand—against your perineum. They heal quickly. Median raphe cyst is usually benign and asymptomatic male genitalia lesions. Midline – fibers form a midline levator raphe Blood supply Branches of the anterior division of the internal iliac artery: inferior vesical, pudendal, inferior gluteal. Perineal midline raphe anomalies lining from the urethral meatus to the anus are rarely detected in children, and they are usually in the form of cystic structures [3, 4]. Overview A perineal abscess is an infection that causes a painful lump in the perineum. the caudal end of the left and right urethral folds fuse to form the urethral raphe. For the past week I had the same problem - an itching/soreness/burning of the perineum and anus area. The clinical picture did not fit that of an abscess. They can be found all the way from the distal penis and scrotum toward the perineum in a midline position. Topical allergens that can cause perianal allergic contact dermatitis include: Ingredients of topical haemorrhoid preparations, such as local anaesthetics benzocaine and lignocaine. "my perineal raphe occasionally becomes very swollen and sore to the touch, is this the sign of a problem? i cannot find or determine a cause" Answered by Dr. Gently pat the. S. There are two. Perineal injury in. Some yeast infection discharges can be very itchy, causing endless discomfort. compresses the vestibular bulb and constricts the vaginal orifice. These are usually the result of an infection of your internal anal glands. Belly swelling; Vomiting; No stool within the first 48 hours; Stool coming out of the urethra; Types of anorectal malformations. HIPAA Secure. Pressure at one extremity was transmitted to the other, reflecting a. Dr. Perineal groove was extremely prevalent among the females: 25 of the 26 patients were girls, and only one patient was a boy. That said, disregard the raphe. A lump on your perineum, redness and swelling. Jean E. Hemorrhoids and swollen perineal raphe? Hi, all. We report a newborn with exposed bowel loops coming out through a defect in the perineum to the right of the median raphe and propose the term perineoschisis for this abnormality. The perineal area needs extra care to heal after childbirth, including cool sitz baths to reduce swelling and speed healing. Raphe means the line of union of the two halves of various symmetrical body parts, and the term median raphe refers to the perineal raphe, which is also known as the median raphe of the perineum. Swollen raphe. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. Two anomalies that occur in the median raphe are: (1) cyst, which may be lined by stratified squamous or pseudostratified columnar epithelium; and (2. Your midwife may also suggest using a maternity pad that has been kept in the fridge or freezer. [3] The unhealed perineal wounds can lead to significant morbidity. Careful sharp dissection is used to expose the retractor penis muscles, the bulbospongiosus muscle, and the underlying penis. The pathogenesis of perineal groove is not clear, and there are few cases reported in the current medical literature. Sore or itchy perineum. It seems aggravated by coffee and I often have diarrhea at the same time. This physical finding is known as infantile perianal pyramidal protrusion (IPPP). Difficulty getting an erection. board-certified doctor by text or video anytime, anywhere. Median raphe cysts of the perineum are uncommon congenital lesions of the male genitalia. In human mid-term fetuses, a future scrotum was difficult to identify because of no descent of testis . Scrotal raphe is a slightly elevated ridge of tissue running from the base of the penis to the midline of the perineum. Abstract. On histological. In males, it is located between the anus and bulb of the penis. Method 1. As per your description, it indicates Anogenital pruritus that is defined as intense itching, acute or chronic, affecting the anal, perianal, perineal, and genital skin. bulbospongiosus, in male. who do i go to&is this easy/safe to treat? Median raphe cysts are a rare, congenital entity. In males, it is located between the anus and bulb of the penis. Use a back and forth U-shaped movement to gently massage the lower half of your vagina for 2-3 minutes. I was actually thinking about some kind of technique that is also used to make scars less visible. Discussion. If redness, swelling, warmth or discharge from the cut occurs, contact your medical provider quickly to evaluate for a developing cellulitis. in diameter (fig. The pathogenesis of perineal groove is not clear, and there are few cases reported in the current medical literature. A case where a baby girl was born with failure of fusion of the perineal raphe is presented, and the embryological origin of this congenital abnormality is reviewed. DISCUSSION. left testicle also feels/looks lower than usual. Richard Greengold answered. Purpose of Review To discuss perineal and robotic approaches to gender-affirming vaginoplasty. We perform scrotal surgery, penile procedures, varicocele and hydrocele repair, and circumcision. If it's possible to remove it it would just leave a scar in the same place which may or may not be more pleasing to you. The attachments of bulbospongiosus are different among males and females. Treatments include creams, ointments, medications and home remedies. Not very big and feels more like a very swollen vein than anything else. The site of the median septum is apparent on the surface of the scrotum along a median longitudinal ridge called the scrotal raphe. Perineal groove is generally a wet sulcus lesion extending from the posterior vaginal fourchette to the anterior anus []. Fungal infections may account up to 40% of secondary infectious pruritus ani cases–a majority is caused by Candida . RM 2H47JFP – Plate XLII. Penile Torsion and Wandering Raphe • Counterclockwise • Abnormal arrangement of penile shaft skin in development • Surgical repair if >40 degrees. Answered Jan 10, 2023. Perineal Injury. The Perineal raphe on my penis from the head to the bottom is red and very itchy non-stop, it started from Sunday in the afternoon. perineal raphe: [TA] the central anteroposterior line of the perineum, more marked in the male, being continuous with the raphe of the scrotum. Do not use soap over that area. Causes of painless scrotal swelling in children and adolescents; Clinical manifestations and complications of inflammatory bowel disease in children and adolescents; Condylomata acuminata (anogenital warts) in children; Congenital anomalies of the hymen and vagina; Constipation in infants and children: EvaluationPerineal trauma, also known as vaginal tears, is a very typical and expected side effect of vaginal delivery. Two anomalies that. Keep the area clean and dry. To perform a perineal urethrostomy, a 4-cm long, cutaneous incision is created on the perineal raphe, 2 to 3 cm distal to the ventral. Raphe means the line of union of the two halves of various symmetrical parts, and the term median raphe refers to the perineal raphe, which is also known as the median raphe of the perineum. read more Dr. EVALUATION OF A PERINEAL WOUND. $44 video appointments with $19/month membership * * Billed $57 every 3 months. ReplyA 44-year-old male presented with a painless swelling in the perineum which became more prominent with penile erections. Women. Scrotum. It is the result of a fetal developmental phenomenon whereby the scrotum (the developmental equivalent of the labia in females) and. 3 We discuss a case of perineal grooves in twin females who were successfully diagnosed based on physical exami-nation, with confirmation from obstetrics/gynecology. The clinical picture did not fit that of an abscess. All the patients presented with an unusual lesion at the anus or perineum, but no symptoms related to this anomaly. Inspection of the genital region should follow a focused general. 8. I have a discoloration rash which a doctor has diagnosed as. Then work up to whatever intensity that feels. These. Depending on growth of the bulbospongiosus muscle and corpus spongiosus penis, the midline intermuscular septum obtained a connection to the subcutaneous wavy. Skeletal Radiol. Its location may be related to anatomic characteristics of the perineum and median raphe. It's around 1cm in diameter, was purple (now more pink), and right next to my anus. . Sometimes men write to ISNA, saying that they have a line down the underside of their penis, all the way to the anus, and they wonder if this is evidence of some sort of intersex condition. Perineal raphe bump is a lump formation on the line of tissues i. Is a swollen perineal raphe a sign of a problem? Afghanistan A 24-year-old male asked: My perineal raphe occasionally becomes very swollen and sore to the. Thus, in the present study, we will apply a term "perineal raphe" to a raphe behind the root of penis. That line is called the “penile raphe. Serious injuries are rare. In addition, the fibers originate from several surrounding structures; perineal body, superficial transverse perineal muscle and external anal sphincter. The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain. Although the raphe frequntly zigzags a bit, it usually starts and ends at or near the midline. The raphe joins the internal. However, I would never put my money on anything when. Women. Physical examination revealed 2 nodular lesions at both sides of the perineal raphe, immediately behind the scrotum, both covered by redundant, but otherwise normal-looking skin, with no external signs of inflammation or infection. In most patients, the cysts, which are asymptomatic or unrecognized during childhood, may progress later and become symptomatic during adolescence or adulthood. 6. 3. Perineal pain or perineum pain is often caused by infection of perineal skin, subcutaneous tissue or deeper tissue like anus, vulva and vagina. An infected median raphe cyst was. One person on Reddit succinctly (but not completely accurately) described it as “where our vaginas would be had you been born a girl instead of a guy. It is noteworthy that a rudimentary gubernaculum also forms in females. Connect with a U. Other symptoms may signal an issue with your perineum or a condition affecting the surrounding muscles or organs in your pelvic cavity, including: Trouble peeing or pooping. Differential diagnosis for a cystic lesion in the perineum includes a tail gut cyst (a developmental lesion lined with gastrointestinal epithelium which would be retro-rectal , perineal median raphe cysts or urethral and seminal vesicle cysts which would be connected to the urological system. Incidence of this congenital anomaly is underestimated as it may be unrecognized earlier at birth and/or. Common causes for scrotal redness include allergic reactions to hygienic products, chemicals, or medication. It would be most prudent for you. Cancel anytime. The perineal raphe is generally considered to mark the line of fusion between the so-called urethral folds (Glenister 1954; Hamilton and Mossman 1972), or of a combination of urethral folds and scrotal swellings (Szenes 1925; Wartenberg 1993), or between urethral folds for the penile raphe and between scrotal swellings for the scrotal. It is found in both males and females, arises from the fusion of the urogenital folds, and is visible running medial through anteroposterior, to the anus where it resolves in a small knot of skin of varying size. "In adults and children, the penile and scrotal raphe vary in shape and thickness between individuals and the anomalies include pearly, pigmented, prominent, or wide raphe," a study which examined. A 48-year-old healthy male who is an avid cyclist presented with a progressive inferior perineal and scrotal swelling for five years. To externally stimulate it, press the fingers gently on the perineum and massage it lightly. 2%. Anatomy Pelvis and perineum Pelvic girdle and floor Homology of the male and female genitalia. The perineum of nonhuman primates differs from humans in both shape and function and shows considerable variation among species. The anoscrotal distance is more or less fixed, with a minimal variation (Chap. It was a long and narrow tumefaction developed strictly on the midline on the median raphe between the scrotum and anus. Developmental abnormalities of the male genitalia can result in epithelial-lined canals or cysts which occur along the ventral median raphe from the glans penis to the anus. Gastroenterology/General Surgery - 1 - Managing Perianal Itching (Pruritus Ani) What is pruritus ani? Itching around the anal area (called “anal itch” or pruritus ani) is a common condition characterized by irritation of the skin around the anus leading to anThe perineal raphe is generally considered to mark the line of fusion between the so-called urethral folds (Glenister 1954; Hamilton and Mossman 1972), or of a combination of urethral folds and scrotal swellings (Szenes 1925; Wartenberg 1993), or between urethral folds for the penile raphe and between scrotal swellings for the scrotal. In a woman, it's the area between the vulva and the anus. Definition: Raphe means a line of fusion of the two halves of various symmetrical body parts, and the term median raphe refers to the perineal raphe, which is also known as the median raphe of the perineum; and it is divided anatomically to: penile raphe, scrotal and perineal raphae. Connect with a U. If I had a low circ it would look like yours does, cause that's just where my raphe is. In males, the perineum is the space between the scrotum and anus. . It is found in both males and females, arises from the fusion of the urogenital folds, and is visible running medial through anteroposterior, to the anus where it resolves in a small knot of skin of varying size. [ 2] Median raphe cysts mostly present at birth and may remain asymptomatic or ignored during childhood. Some species have marked seasonal variation in. A lump on your perineum, redness and swelling. Perineal body (sagittal view) Anorectal triangle. Minor injuries can cause lots of bleeding because of the rich blood supply. Cut. However, embryological mechanisms have been proposed as follows: (1) a relic of the open cloacal duct, 13 (2) midline fusion failure of medial genital folds between the perineal raphe and the vestibule, 3 4 and (3) urorectal septum developmental defect during cloacal embryological stages at 5th to 8th week of GA. It's doesn't hurt. Caring for the perineum. We present a case and review the literature in respect to a 35-year-old man with a non-visible, painless midline. Meaning of gouch. 1 Only a couple hundred case reports of median raphe cysts have been published in the English. The purpose of the median septum is to compartmentalize each testis in order to prevent friction or trauma. The 2024 edition of ICD-10-CM N81. DO. Keywords: Median raphe cyst, Penis, Scrotum, Perineum, Excision. The diagnosis is clinical with histological confirmation. Although usually asymptomatic, secondary infection may produce swelling, tenderness and a purulent discharge. While hemorrhoids may trigger perineum pain, they don’t cause perineum swelling. Muneer, “An unusual swelling in the male. also rha·phe n. Damage, or injury, to either the testes or the epididymis can cause swelling and pain in the scrotum. Category: Medical. The vast majority of the raphes do not bifurcate (123 genera), but the raphes of 7 genera do. It can be treated by taking four to six weeks of anti fungal treatment which includes tablets along with creams. Causes include poor anal hygiene, allergies, certain foods and drinks and other health conditions. The perineal raphe is a visible line or ridge of tissue on the body that extends from the anus through the perineum to scrotum (male) or labia majora (female). It is observed as a noticeable line. Read below for more information on causes and. I don’t know of any procedures to remove it short of testicular nullification. When a male fetus’ genital tissues change form and develop into the scrotum and penis, the way that they come together and fuse forms the perineal raphe. It arises from the central tendinous point of the perineum and from the median perineal raphe in front. What causes itching (or burning) in the perineum? Here are the common causes of burning or itching in the perineum. Difficulty getting an erection. Perineal pyramidal protrusion is typically smooth and pink and measures from 5. bulbospongiosus, in male. also rha·phe n. Ectopic. Thomas suggests holding a simple, external vibrator—such as a bullet vibrator or a wand—against your perineum. The perineal raphe is a small, vertical, slightly raised ridge of scrotal skin under which is found the scrotal septum. My perineal raphe occasionally becomes very swollen and sore to the touch, is this the sign of a problem? i cannot find or determine a cause. Perineoplasty is a surgical procedure to repair the perineum and external organs of your vagina (vulva). and I'm just wondering if I'm being paranoid over nothing or if I really should get this checked out. 2. Male perineum Stock Photos and Images. 2. Additionally, the scrotum is normally located anterior to the anus, separated from it by the perineal body, and is connected to the lips of the anus by the perineal raphe. A perineal median raphe cyst arising in a 3‐year‐old boy was successfully treated with primary excision and the possible origins and histologic features are briefly reviewed. Therefore, disturbed anal anatomy, as in cases of ARM, is commonly associated with PST. Dermatitis is when an irritant causes the skin to become red, swollen, and sore. The tourniquet may need to be re-applied as the swelling is reduced. It is observed as a noticeable line. got pap, clear. 1. given strong steroid cream, now increased. Deutsch: Anus einer einundzwanzigjährigen Frau English: The anus of a 21 year old woman with predominant raphe perinealis . Sometimes the tear comes as a result of continuous itchiness and scratching. Start on the lightest setting. , the Sphincter ani externus, the Bulbocavernosus, the two Transversi perinæi superficiales, and the. Following clinical. Soak in a comfortably hot bathtub three times a day for 15 minutes. As per your description, it indicates Anogenital pruritus that is defined as intense itching, acute or chronic, affecting the anal, perianal, perineal, and genital skin. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. e. . 6. 2. Call/text today: 1-212-204-6300 or make an appointment online. board-certified. Median raphe cysts usually don’t cause problems, but some people may develop symptoms later on in life, including: Swelling in the area. Created for people with ongoing healthcare needs but benefits everyone. Show Less. Sit on a rubber ring (for no more than half an hour at a. Statistics. Perianal hematomas are effectively swollen bruises under the surface of the skin near the opening of the anus. 89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Over the next few months, the area became more swollen and did not regress despite recommended sitz baths and barrier creams. FormalPara Definition . Gently pat the area dry. The perineum is the area between the scrotum and the anus in a man. This condition is noticeably very different from swollen perineum, and you will know right away if you are experiencing. Perineal groove is a rare congenital midline malformation of the perineal raphe. Always in the exact same place. Perineal nodular swelling in a recreational cyclist: diagnosis and discussion. These bumps can occur anywhere on perineal raphe most commonly around anus. Repeat the massage for 5-10 minutes total, taking breaks when you need to. I was checked for being intersexed before and they found nothing. Slight hyperpigmentation of the genital raphe is almost invariably present (Fig. In most patients, the cysts, which are asymptomatic or unrecognized during childhood, may progress later and become symptomatic during adolescence or adulthood. 81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 6% penile anomalies − Often associated with hypospadias − Can be initially noted inScrotal examination should note asymmetry, swelling, erythema or discoloration, and positioning of the testes (horizontal vs vertical, high vs low). Subsequent histopathological examination confirmed a median raphe cyst. Le quadrant antérieur (à 12 h) de l’anus est ainsi une. area between the buttocks and genitals (perineum) area around the anus and rectum. Educating the child and family prior to this examination is important both for their reassurance and for gaining their trust. It is a normal variant of anogenital anatomy, most often found in young girls. A fistula was observed deep within the urethra cavernosum, excluding the possibility of a perineal fistula. In contrast, in the human perineum between the scrotum and anus, the urorectal septum is most likely to provide the perineal raphe as in mice. The 2024 edition of ICD-10-CM L02. Before the perineum tears, if there is a yeast infection, you will notice swelling and irritations. Arnold Malerman answered. —This is a fibrous point in the middle line of the perineum, between the urethra and anus, and about 1. The unhealed perineal wounds can lead to significant morbidity. Unfortunately, these very short nose lengths had the downside of reducing the riders’ stability, especially. Acute complications can occur in 25-60% cases. General causes, gynecologic causes, and abdominal causes. So, the seam is really the remnants of what were originally your labio-scrotal folds, bits that were meant to become a labia. Differential diagnosis for a cystic lesion in the perineum includes a tail gut cyst (a developmental lesion lined with gastrointestinal epithelium which would be retro-rectal , perineal median raphe cysts or urethral and seminal vesicle cysts which would be connected to the urological system. This report describes an anterior perianal lesion in a 62 yr old male and draws attention to this rarely described location and the unusually late presentation. Childbirth, weight loss, trauma and other factors can damage this area and cause the skin around your. The raphe joins the internal septum with the scrotum. Parents reported first noticing what they believed to be a skin tag in the perineal area at birth. Anus to genital line: The area of the body between the anus and the scrotum or vagina. The clinical picture did not fit that of an abscess. compared with his twin's perineal raphe and, whereas the raphe in the affected twin was of the calibre of the lead in a pencil, thatof the unaffected was of the calibre of a hog's bristle. Women are particularly vulnerable to perineum pain because of childbirth and urinary tract infections. The abscess cavities must be opened and drained, including the testis if it is involved. Hemorrhoids, or "piles," are swollen veins in the anus or rectum. " Answered by Dr. The perineal raphe was thin and wavy at 10 weeks, and it was continuous with and took a direction same as the inferior wall of the closed penile urethra after physiological hypospadias. Most reported cases of congenital perineal groove presented as an isolated defect in term or early-term singleton female infants. Perineal groove is generally a wet sulcus lesion extending from the posterior vaginal fourchette to the anterior anus []. Background Median raphe cyst is usually benign and asymptomatic male genitalia lesions. The perineal plates divide the cloacal fold into a circular anal fold, posteriorly, and an ellipsoidal. Warm compresses and numbing sprays may help with the pain. An abscess is a painful, swollen area with pus inside. read more. We aimed to evaluate the subjective. They develop when tissue becomes trapped near the median raphe nerve in your penis. Been using a cream to stop the itchyng and it helps and the line has disapeared a little but it itches again after a while!. 215 may differ. We present a case and review the literature in respect to a 35-year-old man with a. The pudendal nerve supplies areas including the: lower buttocks. Externally, a swelling called the genital tubercule appears over the cloacal membrane. Treatments include creams, ointments, medications and home remedies. ” Another referred to it as the “vagina-nutsack-anus scar,” adding: “Every dude has one. Summary. The abscess may form after surgery or after delivery of a baby. Call/text today: 1-212-204-6300 or make an appointment online. 2. The pathological diagnosis was infantile perianal pyramidal protrusion. Keep the area covered with a clean dry bandage if possible. Perineal raphe synonyms, Perineal raphe pronunciation, Perineal raphe translation, English dictionary definition of Perineal raphe. Discussion The urethral folds appear at the undifferentiated stage in the development of the external genitalia and they include the cloacal membrane. It may also be too small. [2–4] Perineal wounds usually occur following trauma, ablation of malignancy of the genitalia, low pelvic tumors, or following thermal or electrical injuries. The septum. Raphe means the line of union of the two halves of various symmetrical body parts, and the term median raphe refers to the perineal raphe, which is also known as the median raphe of the perineum; and it is divided anatomically to: penile raphe, scrotal and perineal raphe. It does not hurt or itch, but it shouldn't be red. Two cases of median raphe cyst are described; the first was treated by surgery and the second required no. Main page; Contents; Current events; Random article; About Wikipedia; Contact us; DonateTypes of Genital Injuries in Females. It is a sac of skin and muscle that hangs in front of the pelvis, between the legs. The cyst may occur anywhere along the midline from glans to anus. The diamond shaped perineum is divided into two triangles, the urogential triangle anteriorly and the anal triangle posteriorly. The perineal raphe further extends forward to the undersurface of the penis and backward to the anal opening. The most observant and observant now know what it is. Sore or itchy perineum. N81. 1. Low malformations in girls, as seen in Figure 2 B, often end in the posterior fourchette of the vagina.