Swollen perineal raphe. Your midwife may also suggest using a maternity pad that has been kept in the fridge or freezer. Swollen perineal raphe

 
 Your midwife may also suggest using a maternity pad that has been kept in the fridge or freezerSwollen perineal raphe Otsuka T, Terauchi M

We report a 6-year-old child with a long standing painless scrotal swelling thought by the parents to be polyorchidism. Your perineum is the space between your anus and vagina. 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!. tight feeling in anus happens also. Perineal groove is generally a wet sulcus lesion extending from the posterior vaginal fourchette to the anterior anus []. Jean E. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. board-certified doctor by text or video anytime, anywhere. N81. Anatomy A seamlike line or ridge between two similar parts of a. : raphae or raphes) has several different meanings in science. Some of these are overlooked in the delivery room if meconium is passing and the physician does not look closely at the. The perineal raphe is a visible line or ridge of tissue on the human body that extends from the anus through the the area between the anus and the scrotum or vulva . Discussion. So, two days ago I noticed a little lump near my anus while showering. The lower part of the pelvis is sealed off by a muscular diaphragm and perineal membrane known as the pelvic floor. as two masses on both sides of the median raphe,. Subsequent histopathological examination confirmed a median raphe cyst. Pressure at one extremity. Orthodontics 55 years experience. 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 Dr. The perineal raphe is visible and pronounced to varying degrees. After pressing skin I can feel hard jelly like mass . skeletal muscle. From conception until 7 weeks, fetuses have no sex difference—the genitals look fairly female. The causes of perineal pain are pretty varied, but they fall into a few different categories. Discussion The urethral folds appear at the undifferentiated stage in the development of the external genitalia and they include the cloacal membrane. Penile curvature − 0. 9). 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. The perineal raphe is a visible line or ridge of tissue on the human body that extends from the anus through the the area between the anus and the scrotum or vulva . 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!. A red foreskin tip, without pain or swelling, just indicates that the skin is a bit irritated from doing its job of protecting the. Thomas suggests holding a simple, external vibrator—such as a bullet vibrator or a wand—against your perineum. compresses the vestibular bulb and constricts the vaginal orifice. This is the American ICD-10-CM version of L02. An infected median raphe cyst was suspected, and the patient. A midline draining sinus tract was noted in the scrotal-perineal area. Abstract. Gynecologic evaluation of the prepubertal child is approached by directing attention to the specific complaint, symptom, or question to be addressed [ 1 ]. General causes. But in 70% of calls to a specialist, the main formulation of the diagnosis with such symptoms is "idiopathic itch of the anus". Some species have marked seasonal variation in. The perineum is the region of the body between the pubic symphysis (pubic arch) and the coccyx (tail bone), including the perineal body and surrounding structures. Warm compresses and numbing sprays may help with the pain. Learn how we can help. DISCUSSION. in diameter (fig. The perineum is divided into the anterior urogenital triangle and the posterior anal triangle; the vulva represents the external genitalia. Minor injuries can cause lots of bleeding because of the rich blood supply. 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. Blunt trauma causes split in skin and muscles that may get infected. The management of an intrascrotal abscess, regardless of the cause, requires surgical drainage (see image below). Share. There are many Raphes in the human body. A lump on your perineum, redness and swelling. Human anatomy 1. Thus, in the present study, we will apply a term "perineal raphe" to a raphe behind the root of penis. This condition is noticeably very different from swollen perineum, and you will know right away if you are experiencing. 2. Serious injuries are rare. 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. Dr. 81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Median raphe cysts present anywhere between the external urethral meatus and the anus. ra·phae also rha·phae 1. A median raphe of fibrovascular connective tissue separates both halves. Male perineum Stock Photos and Images. Perineal injury can occur and cause swelling and/or a lump between anus and scrotum. We present a case and review the literature in respect to a 35-year-old man with a non-visible, painless midline swelling in the anterior perineum initially thought to be a liposarcoma. Most. Penile median raphe cysts are uncommon lesions occurring predominantly in the ventral aspect of the glans penis of young men. The pathological diagnosis was infantile perianal pyramidal protrusion. The more you scratch, the bigger the chances you will tear your perineal wall. A differential diagnosis must be. read more. 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. Alternatively, hemorrhoids develop close to the anus. Perineal raphe bump is a lump formation on the line of tissues i. La rainure périnéale congénitale (perineal groove), est une malformation anopérinéale rare, survenant presque toujours chez des filles et correspondant à un rainure érythémateuse suintante, s’étendant de la fourchette vulvaire postérieure au bord antérieur de l’anus [1], [2], [3]. A. in front of the latter. Anal Itching (Pruritus Ani) Anal itching (pruritus ani) is a skin condition that affects your perianal area, which may become worse at night or after a bowel movement. Congenital perineal groove is characterized by an exposed erythematous nonepithelized mucous membranes that resembles exposed wet erythematous sulcus, inflammation, or rupture of the midperineum area. Difficulty getting an erection. Noun [ edit] perineal raphe (plural perineal raphae) ( anatomy) The visible line that extends from the anus, through the mid-line of the scrotum and upwards through the posterior mid-line aspect of the penis. 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. 8. Serious injuries are rare. Bruises and swelling of the labia are most often from a straddle injury. My perineum raphe is swollen and itches. In women, the perineum is the. Congenital perineal hernia is an extremely rare entity with only 10 cases having been reported in literature. 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. At night the irch… Nov 13, 2009 · My perineum raphe is inflamed and swollen. It is a normal variant of anogenital anatomy, most often found in young girls. Bruise. Perineal grooves in two newborn babies were described in this report, and the literature on. A4 -year-old boy presented at our institution with an anomaly of the perineal median raphe. From the frenulum, my raphe goes down the midline maybe 1mm then makes a bend almost 90° counter clockwise, and that forms a big arc before getting back to the midline of my dick. Browse Getty Images' premium collection of high-quality, authentic Perineum stock photos, royalty-free images, and pictures. Duct obstruction, entrapment of pudendal nerve, abscess, prostatitis, perineural cyst, ischiorectal abscess, benign prostatic hypertrophy, and prostatitis. Meaning of gouch. 1), although cyst enlargement was present at either extremity. The purpose of the median septum is to compartmentalize each testis in order to prevent friction or trauma. For the sake of this article, we will simply refer to it as the raphe. The exposed bowel loops were a sequestered. Structure. In winters i had them rarely but now summer is starting & again bumps are appearing on my perineal raphe. This is the American ICD-10-CM version of N81. Swollen perineal A 19-year-old male asked: I think i have a median raphe cyst. Testis. Show More. Keep the area covered with a clean dry bandage if possible. In our study we treated a case with a large congenital scrotal sinus by total surgical excision. the caudal end of the left and right urethral folds fuse to form the urethral raphe. The raphe joins the internal septum with the scrotum. We present a case and review the literature in respect to a 35-year-old man with a non-visible, painless midline swelling in the anterior perineum initially thought to be a liposarcoma. Median raphe cyst is an uncommon anomaly that can develop at any location over the midline of the external genital region from the anus to the scrotum and perineum. The pathogenesis of perineal groove is not clear, and there are few cases reported in the current medical literature. When I took a closer look with a small mirror I realized that I had a cut/tear on my perineum and it's just slowly healing. 1. Median raphe cysts are a rare, congenital entity. Hold your thumbs in this position for about 1 minute. Sore or itchy perineum. 1 Only a couple hundred case reports of median raphe cysts have been published in the English. Warm compresses and. We report the case of a 4-year-old child presented to the emergency department for a serpiginous and redness lesion extended from the basis of the penis until the perineum. The term "IPPP" was introduced in the medical literature within the past 10 years. 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. A swollen or inflamed prostate can lead to perineum pain in men. This is common in bike riders, people with chronic constipation, men who work in construction, and patients with a history of pelvic or perineal surgery. Cut. We present a case and review the literature in respect to a 35-year-old man with a non-visible, painless midline swelling in the anterior perineum initially thought to be a liposarcoma. Board Certified Physician. Childbirth, weight loss, trauma and other factors can damage this area and cause the skin around your. 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. Ask Your Own Medical Question. 8. 1. James Schumacher, in Equine Surgery (Fourth Edition), 2012. Thomas suggests holding a simple, external vibrator—such as a bullet vibrator or a wand—against your perineum. Keep the area clean and dry. After you’ve given birth, it’s common for the perineum to be sore. Median raphe cysts usually occur in low-type anorectal malformations and suggest the location of the fistula . net dictionary. Raphe ( / ˈreɪfi / RAY-fee; from Ancient Greek: ῥαφή, romanized : rhaphḗ, lit. That's my perineal raphe and although the line is darker as it should be after a year of estrogen use, the skin has become loose and flappy. The 2024 edition of ICD-10-CM N81. 會陰. Please tell me what is perineal raphe? 1 doctor answer • 1 doctor weighed in. Lanolin. 1 Normal Scrotal Raphe. Pruritus ani Pruritus ani is a condition that can occur in both genders, but. SOC 2 Type 2 Certified. Sir/ma'am I have a lump (painless) in perineal region, which is not visible from eyes or from surface. Although uncommon, infection may be a complication. perineal a. central tendinous point and the midline raphe on the bulb of the penis. The perineum is an erogenous zone. Read More. This is the American ICD-10-CM version of L02. This perianal soft tissue swelling may be mistaken for a skin tag, or acrochordon. Perianal hematomas are effectively swollen bruises under the surface of the skin near the opening of the anus. A 48-year-old healthy male who is an avid cyclist presented with a progressive inferior perineal and scrotal swelling for five years. Another clue to a possible penile torsion is the rotated appearance of the median raphe. Causes include poor anal hygiene, allergies, certain foods and drinks and other health conditions. It is mostly presented in female infants as an isolated anomaly but can be found in males as well []. The perineum is the region between the thighs that includes the space between the genitals and anus. ericsphotography / Getty Images Anatomy . The canals are l. The scrotum is divided on its surface into two lateral portions by a ridge or raphé, which is continued forward to the under surface of the penis, and backward, along the middle line of the perineum to the anus. A perineal abscess is an infection that causes a painful lump in the perineum. and I'm just wondering if I'm being paranoid over nothing or if I really should get this checked out. From the raphe, the. In women, the perineum is the space between the vaginal opening and anus. Penile/scrotal raphe is red. my bottom left testicle feels swollen & my perineal area all the way down to my anus. A few antibiotics and massages are used to treat perineal pain but are done only once the inflammation subsides. Swollen perineal A 19-year-old male asked: I think i have a median raphe cyst. We aimed to evaluate the subjective. The raphe joins the internal. Low malformations in girls, as seen in Figure 2 B, often end in the posterior fourchette of the vagina. [1]Lacerations on the perineum, cervix, vagina, and vulva can occur spontaneously or iatrogenically, as with an episiotomy. Thus far, there is no reported case of this anomaly in monozygotic twins. 25 cm. A wide array of diseases affect the female perineum in adults. Bruise. 1. The perineal lesion (Figure 1) was recognized by CAP as the congenital malformation failure of midline fusion. The unhealed perineal wounds can lead to significant morbidity. 1 Only a couple hundred case reports of median raphe cysts have been published in the English literature. Jean E. 4 month). The median age at the first visit to our clinic was 1. Swollen red foreskin My Foreskin is red, puffy, itchy, slightly crusty, and HURTS Dry. Raised bumps on perineal raphe. An anterior perianal lesion is described in a 62 yr old male and attention is drawn to this rarely described location and the unusually late presentation. It was a long and narrow tumefaction developed strictly on the midline on the median raphe between the scrotum and anus. On histological. Consult Now. Perineal injury can occur and cause swelling and/or a lump between anus and scrotum. ReplyA 44-year-old male presented with a painless swelling in the perineum which became more prominent with penile erections. Abstract. They are the result of a burst blood vessel in that area. If redness, swelling, warmth or discharge from the cut occurs, contact your medical provider quickly to evaluate for a developing cellulitis. Doctor's Assistant: How long have you been dealing with this? Does anything in particular seem to make the itch. Median raphe cysts are cysts that develop on the median line in the male genital region in any area from the anus to the external meatus. The cysts can occur at parameatus, glans penis, penile shaft, scrotum, or perineum. Perineum pain with coughing. Feeling of increase swelling over suprapubic or perineal area, Pain refers to lower abdomen, waist, thighs and back; Symptoms of Perineal Pain and Traumatic Injury of Perineum-Perineal injury is caused by either blunt or penetrating trauma. A swollen or inflamed prostate can lead to perineum pain in men. Created for people with ongoing healthcare needs but benefits everyone. Bruises and swelling of the labia are most often from a straddle injury. It is a normal variant of anogenital anatomy, most often found in young girls. Median raphe cysts are uncommon benign cysts thought to occur due to improper fusion of the genital tubercle and can occur anywhere along the median raphe, from the glans to the anus, most commonly occurring along the ventral penile shaft. Summary. Perineal fistula and other anorectal. The perineal raphe is where the tissue came together, and this line extends down the the scrotum as well. 89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Microscopically, there is epidermal acanthosis, marked edema, and mild inflammatory. area between the buttocks and genitals (perineum) area around the anus and rectum. 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. Median raphe cyst is a very rare, benign congenital lesion occurring mainly on the ventral aspect of the penis, but can develop anywhere in the midline between the external urethral meatus. Ingredients of body washes. We perform scrotal surgery, penile procedures, varicocele and hydrocele repair, and circumcision. Clarene Cress: Possible molluscum: Pimples that have a hard white core sound like mol. In most patients, the cysts, which are asymptomatic or unrecognized during childhood, may progress later and become symptomatic during adolescence or adulthood. Perineal grooves in two newborn babies were. This tear seems to come and go every few months or so. Browse 111 authentic perineum stock photos, high-res images, and pictures, or explore additional perineum sunning or perineum tanning stock images to find the right photo at the right size and resolution for your project. Here we present a 50-year-old male patient who presented with a cystic, fluctuant lesion, located at 12. Discussion The urethral folds appear at the undifferentiated stage in the development of the external genitalia and they include the cloacal membrane. They may be located inside the rectum (internal) or outside the body at the anus. Median raphe cysts of the perineum are uncommon congenital lesions of the male genitalia. Swollen veins are not common in this area and I have not seen this ever in many years of practice although anything is possible. Background Median raphe cyst is usually benign and asymptomatic male genitalia lesions. 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. For the sake of this article, we will simply refer to it as the raphe. Pressure at one extremity. Read below for more information on causes and. 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. my bottom left testicle feels swollen & my perineal area all the way down to my anus. Rinsing the area with warm water after you use the bathroom. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. You can see yours has some crooked spots too. 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. If I had a low circ it would look like yours does, cause that's just where my raphe is. Connect with a U. The latter inserts into the scrotal swelling. scrotum and penis in men. Perineal Injury. The perineal body is continuous with the perineal raphe in the scrotal skin. In addition, the fibers originate from several surrounding structures; perineal body, superficial transverse perineal muscle and external anal sphincter. central tendinous point and the midline raphe on the bulb of the penis. [2–5] About 25-45% of these patients can develop serious complications. The scrotum is part of the male anatomy. 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. If swelling is present, the area should be. The term "IPPP" was introduced in the medical literature within the past 10 years. The tourniquet may need to be re-applied as the swelling is reduced. 2. hav bv tho. The 2024 edition of ICD-10-CM L02. Although usually asymptomatic, secondary infection may produce swelling, tenderness and a purulent discharge. L02. In a new article, our colleagues from IFLScience have put forward a anatomical feature unknown: the perineal raphe. Sometimes, the treatment varies in men and women: Get adequate rest. Pain in the area between the scrotum and the anus can be caused by chronic or acute prostatitis. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Although usually asymptomatic, secondary infection may produce swelling, tenderness and a purulent discharge. An anterior perianal lesion is described in a 62 yr old male and attention is drawn to this rarely described location and the unusually late presentation. I was checked for being intersexed before and they found nothing. The diagnosis is mostly. It arises from the central tendinous point of the perineum and from the median perineal raphe in front. 2. bulbospongiosus, in male. With a perineal fistula, the abnormal anal opening is located outside of the sphincter muscle complex, such that the fistula usually has very few voluntary sphincter muscle fibers surrounding it. It is completely common and normal physiological tissue line. Sometimes the tear comes as a result of continuous itchiness and scratching. B, Neonate girl with recto fourchette fistula. I can hold it well with two fingers when pressed hard . 2%. ” Another referred to it as the “vagina-nutsack-anus scar,” adding: “Every dude has one. Perianal region is an extremely rare location for these lesions. Fungal infections may account up to 40% of secondary infectious pruritus ani cases–a majority is caused by Candida . Postpartum Perineal Care Facts. Perineal body (sagittal view) Anorectal triangle. What is. Some yeast infection discharges can be very itchy, causing endless discomfort. An abscess is a painful, swollen area with pus inside. 1), although cyst enlargement was present at either extremity. Pelvic floor massage therapy helps manage long-term pain. Here we present a 50-year-old male patient who presented with a cystic, fluctuant lesion, located at 12 o. mucus or pus-like discharge coming from the anus. To our knowledge, there has been limited reports of this form of congenital abnormality in. 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. The cysts can occur at parameatus, glans penis, penile shaft, scrotum, or perineum. These bumps can occur anywhere on perineal raphe most commonly around anus. For the past week I had the same problem - an itching/soreness/burning of the perineum and anus area. A short contracted raphe was detected in 6 cases (10%) with an overall incidence of 0. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. They can be found all the way from the distal penis and scrotum toward the perineum in a midline. L02. I would be more concerned with a perianal abscess or fistulo in ano or some other infection or inflammatory process. This means that the cause of the itch is not found. 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. The perineal raphe is visible. Other symptoms of an abscess include: a red, pimple-like bump on. It would be most prudent for you to. At night the irch is unbearable at times. The most observant and observant now know what it is. Following clinical. Put an ice/cool pack on the area for about 10 minutes at a time. 1 They outlined the embryologic fusion as a major pathogenetic mechanism, the benign course of the abnormality, and proposed complete surgical excision to avoid recurrence. That's my perineal raphe and although the line is darker as it should be after a year of estrogen use, the skin has become loose and flappy. 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. Both cysts and abscesses can cause. In males, it contains male external genitalia and the perineal muscles. That line is called the “penile raphe. It consists of two symmetrical parts, united along the median line by a tendinous perineal raphe. The most common treatment for perineal pain is rest; rest helps the body repair the damage. 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. 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. In males, it is located between the anus and bulb of the penis. perineal raphe: [TA] the central anteroposterior line of the perineum, more marked in the male, being continuous with the raphe of the scrotum. 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. The burning sensation lessens as each day passes, usually burns now only when I pee in the morning. Women are particularly vulnerable to perineum pain because of childbirth and urinary tract infections. Gently pat the area dry. Created for people with ongoing healthcare needs but benefits everyone. The septum. Up until the eighth week after fertilization. the caudal end of the left and right urethral folds fuse to form the urethral raphe. Perineal raphe: everything on this line that divides the scrotum in two. This physical finding is known as infantile perianal pyramidal protrusion (IPPP). The wound may be a freshly created surgical wound or may be as a result of trauma or burns. Dr. It was a long and narrow tumefaction developed strictly on the midline on the median. Show Less. On physical examination, there was a firm, nontender, nonpulsatile, irreducible, noncompressible mass in the anterior perineal area, on the left of the median raphe. HIPAA Secure. Perineal groove is a rare congenital malformation that is characterized by an exposed wet sulcus with nonkeratinized mucous membrane that extends from the posterior vaginal fourchette to the anterior ridge of the anal orifice. I don’t know of any procedures to remove it short of testicular nullification. The perineum is the major area. Difficulty getting an erection. 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. Sit on a rubber ring (for no more than half an hour at a. compresses the bulb of. In perianal Crohn’s disease, these symptoms are located around the anus and may include: anal bleeding. 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. I was actually thinking about some kind of technique that is also used to make scars less visible. &NA; Median raphe cysts are uncommon congenital lesions most often found on the penis or scrotum. Belly swelling; Vomiting; No stool within the first 48 hours; Stool coming out of the urethra; Types of anorectal malformations. Painful urination (pain when you pee). Antibiotic treatment will be started when patient’s temperature is high, or if the patient has higher blood leukocytes. It does not hurt or itch, but it shouldn't be red. While hemorrhoids may trigger perineum pain, they don’t cause perineum swelling. We present a case where a baby girl was born with failure of fusion of the perineal raphe. 会阴的具體範圍有不同的定義 [2] ,有一種定義將女性的会阴定義為在陰道及肛門之間的部位,男性的会阴則定義為在陰囊及肛門之間的部位. Gently pat the. The red extends slightly into the upper scrotum. Avoid a lot of skin care products, antiseptics are ok. it is normal? 1 doctor answer • 3 doctors weighed in. These canals and cysts are explained as arising from epithelial rests incident to imperfect ventral fusion in the formation of the external genitalia, or from masses of epithelial cells which have migrated from the primitive epithelium. Slight hyperpigmentation of the genital raphe is almost invariably present (Fig.