Background:
Acquired vulvar lymphangioma (AVL) is not well-characterized. Diagnosis is delayed and the condition is often refractory to therapy.
Objective:
The objective of this study was to provide a systematic review of AVL including risk factors, disease associations, and management options.
Methods:
A primary literature search was conducted using 3 databases: PubMed, CINAHL, and OVID, from all years to 2022.
Results:
In total, 78 publications with 133 patients (48 ± 17 years) were included. Most studies were case reports/series. The most common disease association was prior malignancy (70 patients, 53% of cases) and inflammatory bowel disease (6 patients, 5% of cases). The most common malignancy was cervical cancer (57 patients, 43% of cases). Most patients had prior radiation or surgery, with 36% (n = 48) treated with radiation, 30% (n = 40) with lymph node dissection, and 27% (n = 36) with surgical resection. Common presenting symptoms included discharge/oozing, pain, and pruritus. Most patients underwent surgical treatment for AVL with 39% treated with excision, 12% with laser therapy (the majority used CO2), and 11% with medical therapies. Most patients had failed prior therapies and there was a diagnostic delay.
Limitations:
Retrospective nature. Most studies were limited to case reports and case series, with interstudy variability and result heterogeneity.
Conclusion:
AVL is an underrecognized entity and should be considered in patients with a history of malignancy or radiation to the urogenital area. Treatment should include multidisciplinary care and address underlying lymphatic changes, manage any existing inflammatory conditions, and utilize skin-directed therapies and barrier agents while addressing symptoms of pruritus and pain. Prospective studies are needed to further characterize AVL and develop treatment guidelines.
Keywords: lymphangiectasia, lymphangioma, lymphatic anomaly, vulvar edema
What is known about this subject with respect to women and their families?
Acquired vulvar lymphangioma (AVL) is a lymphatic neoplasm that is localized to the vulva, often appearing in the setting of prior pelvic malignancy or surgery.
Diagnosis is often delayed, and the condition is commonly refractory to treatment.
What is new from this article as messages for women and their families?
This systematic review found that AVL is commonly associated with prior pelvic malignancy and the subsequent surgical treatment, radiation, or lymph node dissection, and is seen in the setting of inflammatory bowel disease.
The most reported treatment modalities for AVL were excision, followed by laser therapy, but there were limited outcomes data and no information on quality-of-life following therapy.
In most cases, patients had been treated with other therapies without improvement, and the diagnosis was delayed.
Introduction
Acquired vulvar lymphangioma (AVL), also known as acquired lymphatic anomaly or lymphangiectasia, and previously known as lymphangioma circumscriptum, is an uncommon condition characterized by an abnormality in the lymphatic vessels of the vulva.1,2 AVL is associated with obstructed or impaired pelvic lymph drainage,1 which can occur in the setting of chronic inflammatory or neoplastic conditions, as well as in the setting of prior surgical or radiation therapy that leads to lymphatic disruption. Studies have shown that AVL is often a late complication of anogenital and pelvic malignancies, with cervical carcinoma being the most common malignancy reported, but is also reported in inflammatory conditions including Crohn’s disease and infectious conditions such as tuberculosis.1,3,4
Clinically, AVL is often described as clusters of vesicular or verrucous papules,3 and superficial cases are sometimes described as resembling “frogspawn” with grouped clear to cloudy fluid-filled vesicles. Typically, vesicles have surrounding erythema and can appear as small confluent plaques (Fig. 1A). These features are often accompanied by surrounding edema (unilateral or bilateral) (Fig.1B) and even overlying eczematous change or lichenification. Symptoms may include pain, pruritus, discomfort, dyspareunia, and a burning sensation. In more superficial cases there may be fluid drainage and malodor.3,5–7 Information on the clinical course of AVL is limited, primarily due to few observational studies and the rarity of this condition.
Fig. 1.
Clinical images of vulvar-acquired lymphatic anomaly and edema. (A) Erythematous to purple papulovesicles on right labium minus, representing acquired vulvar lymphatic anomaly. (B) Left-sided labium minus edema, representing vulvar lymphedema.
In early cases, AVL may have nonspecific clinical and histologic findings, often resulting in a misdiagnosis of inflammatory dermatitis. In cases where vesicles are more apparent, the differential includes herpes and autoimmune blistering disorders. When AVL presents as verrucous or vascular papules, neoplastic etiologies including condyloma acuminata, molluscum contagiosum, angiokeratomas, and even vascular lesions may be considered.3 Because of this variability in clinical findings, diagnosis is usually confirmed by tissue biopsy.4,8 Histologically, AVL typically presents with multiple dilated lymphatics in the superficial dermis. The epidermis may have overlying hyperkeratosis, acanthosis, and spongiosis.9
Studies on treatment are limited with no guidelines to date on the medical or surgical management of AVL. Various treatments have been reported including surgical excision, ablative and nonablative laser therapies, and topicals3,10,11 and all have been associated with a high rate of recurrence. The aim of this study is to perform a systematic review on cases of AVL to summarize the epidemiologic and clinical findings and identify associated comorbidities and treatment options.
Materials and methods
Literature search
This study was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (Fig. 2). A primary literature search was conducted using PubMed, CINAHL, and OVID, from all years to 2022. Two authors independently searched and cross-checked with the following search terms: (lymphangioma circumscriptum OR microcystic lymphatic malformation OR lymphangioma OR lymphangiectasia) AND (vulva OR vagina).
Fig. 2.
Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRIMSA) flow diagram of literature search and article selection.
Article selection
Articles published in English from all years were considered for eligibility. Articles were excluded if they discussed congenital lymphangioma circumscriptum or nonvulvar presentations.
Data extraction
Included studies were summarized using a data extraction form with the following variables extracted: number of patients reported in the study, disease association, treatments for prior pelvic malignancy, patient ages, ethnicity, time between onset of AVL symptom onset and diagnosis, symptoms, clinical findings, treatment for AVL, duration/number of treatments, duration of follow-up, efficacy, reported recurrence, interval for follow-up, prior treatments, histopathology, status of quality of life measures, and inclusion of clinical or histopathological photos.
Results
Literature review
The initial literature search yielded 290 articles. Overall, 146 were nonduplicate articles. A total of 54 articles were excluded based on their title and/or abstract, including 48 that were not related to AVL and 8 that were not available in the English language. No additional articles were identified based on a search of article references. Ultimately, 78 articles,1,3–79 comprising a total of 133 patients, met the eligibility criteria and were included in this qualitative analysis. Articles were published between 1979 and 2022. The eligible articles consisted of case series, case reports, literature reviews, and a retrospective chart review. Relevant variables extracted from each article are included in Table 1.
Table 1.
Variables extracted from studies included in literature review
| PMID | Type of study | Number of patients | Prior pelvic malignancy | Other disease association | Prior radiation | Prior lymph node dissection | Prior surgery or chemotherapy | Patient age | AVL duration before diagnosis | Treatment type (T = topical therapy, PT = physical therapy, L = laser, S = surgical, or other) | Treatment specifics (procedure, laser settings, medication) | Interval for follow-up | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 34736616 | Case report | 1 | None | Crohn Disease | None | None | None | 56 | 3 years | T | Clobetasol 0.05% | None |
| 2 | 34877687 | Review, case Series | 6 | n = 6 | None | n = 6 | n = 5 | None | Median: 61, Range: 44–72 |
median interval between malignancy diagnosis > acquired vulvar lymphangioma circumscriptum (AVLC) diagnosis: 10 years (0–32 years) | S | Excision (n = 5), Unknown (n = 1) | 1.5 years, 3 years, 0.04 years, Unknown (n = 3) |
| 3 | 14761137 | Case report | 1 | None | Pregnancy | None | None | None | 35 | 5 years | None | None | None |
| 4 | 2644602 | Case report, review | 1 | None | None | None | None | None | 42 | None | S | Excision | 6 weeks |
| 5 | 8408931 | Case report | 1 | None | None | None | None | None | 46 | None | None | None | None |
| 6 | 27329721 | Case report | 16 | n = 9 | None (n = 7) | n = 7 | n = 3 | Hysterectomy (n = 4), Salpingo- oophorectomy (n = 3), Wide local excision (n = 1) | Median: 55, Range: 43–81 |
11.3 years between cancer treatment and vulvar lymphangioma circumscriptum (VLC) development (range: 5–20 years) | Unknown | Unknown | None |
| 7 | 15488131 | Case report | 1 | None | None | None | None | None | 17 | 4 | S | Excision | 2 weeks |
| 8 | 22529452 | Case report | 1 | None | Tuberculosis | None | None | None | 35 | 1 year | S | Excision (n = 2) | None |
| 9 | 8914364 | Case report | 1 | None | Recurrent cellulitis | None | None | None | 42 | 7 months | T | IV antibiotics and local antiseptic | 5 years |
| 10 | 7747544 | Case report | 1 | None | None | None | None | None | 76 | 2 years | T | None | None |
| 11 | 26967121 | Literature review and case report | 5 | n = 2 | Crohn’s Disease | n = 1 | None | None | Median: 50, Range: 18–68 |
None | L, S | YAG Laser & Excision (n = 2), Electrodessication and curettage (n = 1), Excision (n = 1) | None |
| 12 | 23595194 | Case report | 1 | None | None | None | None | None | 24 | since teenager | Other | Compression therapy | None |
| 13 | 25706522 | Case report | 1 | n = 1 | None | n = 1 | None | Cystectomy (n = 1) | 69 | 3 years | None | None | None |
| 14 | 11270296 | Case report | 1 | None | None | None | None | None | 44 | 6 | None | None | None |
| 15 | 21464721 | Case series, review | 1 | None | None | None | None | None | 39 | None | S | Excision | None |
| 16 | 26374361 | Case series, review | 3 | None | None | None | None | None | Mean: 33.3, Standard Deviation: 8.4 | None | None | None | None |
| 17 | 18312992 | Case series, review | 1 | n = 1 | None | n = 1 | n = 1 | Hysterectomy (n = 1) | 63 | 4 years | S | Excision | 28 weeks |
| 18 | 22615519 | Case series | 2 | n = 2 | None | n = 2 | None | Hysterectomy (n = 2) | 65, 44 | 10 years, 16 years | S | Excision | Regular |
| 19 | 30812056 | Case report | 1 | None | None | None | None | None | 61 | 1.5 years | S | Excision | 4 weeks |
| 20 | 16803506 | Case series, retrospective study | 1 | n = 1 | None | n = 1 | None | None | 40 | 6 months –2 years | S | Excision | None |
| 21 | 22199085 | Case report (letter) | 1 | None | None | None | None | None | 55 | 2 years | S, L | Hysterectomy, CO2 laser vaporization (defocused mode with a 2 mm spot size) | 15 weeks |
| 22 | 23130218 | Case report (letter) | 1 | n = 1 | None | None | n = 1 | None | 50 | 3 months | None | None | None |
| 23 | 2684843 | Case series | 3 | n = 1 | Crohn’s Disease (n = 2) | n = 1 | None | Hysterectomy (n = 1) | Median: 38, Range: 37–38 |
2 years (n = 3) | L, S, Other | Excision, cryotherapy | 2 months (n = 1) |
| 24 | 8286236 | Case report | 2 | n = 2 | None | n = 2 | None | Hysterectomy (n = 2) | 49, 50 | None | S | Excision | 18 months |
| 25 | 761961 | Case report | 1 | None | Tuberculosis (n = 1) | None | None | Lymph node incision (n = 1) | 62 | 30 years | T, L | Isonicotinic acid hydrazide, Ethambutolcholride, Rifampicin, Electocoagulation | 6 months |
| 26 | 30289772 | Case report (letter) | 1 | n = 1 | None | n = 1 | None | Hysterectomy (n = 1) | 78 | 10 years | None | None | None |
| 27 | 16219410 | Case series, review | 3 | n = 2 | Tuberculosis (n = 1) | n = 1 | n = 1 | Complete surgical resection (n = 2), Hysterectomy (n = 2) | Median: 67, Range: 53–71 |
None | L | Laser therapy (n = 1); CO2 laser vaporization (n = 2) | 4 months, 22 months, 90 months |
| 28 | 21547888 | Case report | 2 | n = 2 | None | n = 2 | None | Hysterectomy (n = 2) | 56, 68 | None | S | Excision | 7 months, 20 months |
| 29 | 24133609 | Case report | 1 | None | Crohn’s Disease | None | None | None | 35 | Several years | None | None | None |
| 30 | 12218845 | Case Report | 2 | n = 2 | None | n = 2 | n = 2 | Hysterectomy (n = 2) | 75, 46 | 10 years | L | CO2 laser vaporization (n = 2) | 3 months 8 months |
| 31 | 28461089 | Case series | 1 | None | None | None | None | None | 68 | None | None | None | None |
| 32 | 25099515 | Case report (letter) | 1 | None | Pregnancy (n = 1) | None | None | None | 28 | 1 month | None | None | 2 months after delivery |
| 33 | 22802470 | Case report | 1 | None | Breast Cancer (n = 1) | None | None | Masectomy (n = 1), Chemotherapy (n = 1) | 46 | 8 years | S | Excision (n = 2) | 4 weeks post-op, 3 month return |
| 34 | 1694423 | Case report (letter) | 1 | n = 1 | None | n = 1 | None | Complete surgical resection (n = 1) | 75 | 2 years | L | CO2 laser vaporization- multiple sessions. | 18 months |
| 35 | 4065708 | Case report | 1 | n = 1 | None | None | n = 1 | Hysterectomy (n = 1) | 51 | None | None | None | None |
| 36 | 29451158 | Case report (letter) | 1 | None | Klippel-Trenaunay syndrome (n = 1) | None | None | None | 31 | 4 years | None | None | None |
| 37 | 10430005 | Case report | 1 | n = 1 | None | n = 1 | None | Complete surgical resection (n = 1) | 70 | 4 years | L | CO2 laser vaporization | 4 weeks after wound healing: 5 more laser sessions |
| 38 | 34621964 | Case series | 2 | None | Hiradenitis suppurativa (n = 2) | None | None | None | 44, 46 | 0 | S | Excision | 3 years (n = 2) |
| 39 | 15752314 | Case report | 1 | None | Tuberculosis (n = 1) | None | None | None | 22 | 5 years | Other | Oral isoniazid, rifampicin, pyearazinamide and ethambutol | None |
| 40 | 34837392 | Case report | 1 | n = 1 | None | n = 1 | None | Hysterectomy (n = 1) | 61 | None | L | CO2 laser vaporization | None |
| 41 | 17684378 | Case report | 1 | n = 1 | None | None | n = 1 | Hysterectomy (n = 1) | 73 | 2 years | S | Lymphaticovenular Anastomosis (LVA) surgery | 6 months |
| 42 | 10235381 | Case report | 1 | None | Crohn’s Disease | None | None | None | 44 | 7 months | Other | Podophyllin | None |
| 43 | 1427807 | Case report | 1 | None | None | None | None | None | 20 | 2 years | S | Vulvectomy | 9 months |
| 44 | 28283172 | Case report | 1 | None | None | None | None | None | 47 | None | S | None | None |
| 45 | 11270298 | Case report | 1 | n = 1 | n = 1 | None | None | 79 | 1 year | T | Topical mid-potency corticosteroid | None | |
| 46 | 15250899 | Case report | 1 | None | None | None | None | None | 20 | 10 years | None | None | None |
| 47 | 22901902 | Case report | 1 | None | None | None | None | None | 44 | 3 years | T, Other | Gentian Violet 1% solution, Cetrizine hydrochloride | None |
| 48 | 17656926 | Case Report | 1 | None | None | None | None | Surgical resection (n = 1) | 48 | 5 years | S | Excision | 1 year |
| 49 | 11776513 | Case report, review | 1 | None | None | None | None | None | 48 | 3 years | S | Excision | 16 months |
| 50 | 22361479 | Case report | 1 | None | None | None | None | None | 44 | None | T | Antihistamines, emollients | None |
| 51 | 34149227 | Case report | 1 | None | None | None | None | None | 25 | 1 month | S | Excision | None |
| 52 | 26167062 | Case report | 1 | None | None | None | None | None | 60 | 4–5 years | S | Excision | 1 year |
| 53 | 10609498 | Case report, review | 1 | n = 1 | None | n = 1 | n = 1 | Hysterectomy (n = 1), Salpingo- oophorectomy (n = 1) | 65 | 10 years | L, T, Other | CO2 laser vaporization (multiple procedures), Silver sulfadiazine | 6 weeks |
| 54 | 19396719 | Case series | 8 | n = 8 | None | n = 7 | n = 7 | Surgical excision (n = 7) | Median: 48, Range: 39-63 |
None | S | Excision (n = 5) | None |
| 55 | 34263326 | Case report | 1 | n = 1 | None | n = 1 | n = 1 | Vulvectomy (n = 1), chemotherapy (n = 1) | 70 | 3 years | Other | Sclerotherapy | 4 weeks |
| 56 | 22026919 | Case report | 1 | n = 1 | None | n = 1 | n = 1 | Hysterectomy (n = 1) | 42 | 4 years | S, L | Excision & CO2 laser vaporization (1st treatment), excision (2nd treatment) | None |
| 57 | 25468056 | Case report | 1 | None | None | None | None | None | 67 | 3 years | None | None | None |
| 58 | 15228436 | Case report | 2 | n = 2 | None | n = 2 | None | None | 30, 45 | 1 week, unknown (max 2 years) | Other- penicillin | Penicillin | 6 months |
| 59 | 28242996 | Case report | 1 | None | Tuberculosis (n = 1) | None | None | None | 25 | None | None | None | None |
| 60 | 24396614 | Case report | 2 | None | None | None | None | None | 55, 60 | 25 years, unknown | T | Topical antihistamine | None |
| 61 | 27331134 | Case report | 1 | n = 1 | None | n = 1 | None | Chemotherapy (n = 1) | 55 | 3–4 years | S | Excision | 5 months |
| 62 | 12495108 | Case report | 1 | None | None | None | None | None | 48 | None | S | Oral antibiotics followed by excision | 2years |
| 63 | 18397567 | Case report | 1 | None | Pregnancy | None | None | None | 30 | 4 months | None | None | None |
| 64 | 20004630 | Case series | 4 | Cervical cancer (n = 1) | Hodgkin lymphoma (n = 3) | None | None | None | Median: 44.5, Range: 28–57 |
32.3 years, 10.6 years, 2.9 years, 0.2 years |
S | Prophylactic antibiotic therapy (amoxicillin clavulanic acid) and excision | Median: 53 months |
| 65 | 12738156 | Case report, review | 1 | None | None | None | None | None | 30 | 3 years | S | Excision | None |
| 66 | 367022 | Case report | 1 | None | None | None | None | None | 38 | 7 years | S | Excision | None |
| 67 | 25190008 | Case report | 1 | n = 1 | None | n = 1 | None | Hysterectomy (n = 1) | 76 | 6 years | Other | Cryotherapy | 8 months |
| 68 | 26156111 | Retrospective chart review | 8 | n = 8 | None | n = 4 | n = 8 | None | Median: 61.5, Range: 36-77 |
None | S | Excision (n = 8) | None |
| 69 | 1765960 | Case report | 2 | None | None | None | None | None | 32, 35 | 1 year, 7 years | S (n = 2), L (n = 1) | Excision with laser vaporization, Excision | 4 months |
| 70 | 27502262 | Case report | 1 | None | None | None | None | None | 20 | 10 years | None | None | None |
| 71 | 1669286 | Case report | 1 | None | Tuberculosis (n = 1) | None | None | None | 40 | 3 months | S | Excision | None |
| 72 | 33423429 | Case report | 1 | n = 1 | None | n = 1 | n = 1 | 71 | None | None | None | None | |
| 73 | 31757874 | Case report | 1 | None | HSV (n = 1) | None | None | None | 43 | 6 years | Other | Lymphatic drainage, shave excision | None |
| 74 | 28791276 | Case report | 1 | Rectal cancer (n = 1) | None | n = 1 | None | None | 68 | 1year | L, S | Electrocautery and CO2 laser vaporization | 6 months |
| 75 | 20580481 | Case report, letter | 1 | None | None | None | None | None | 36 | 8 years | S | Excision | 1 year |
| 76 | 20300370 | Case report | 1 | None | None | None | None | None | 18 | 5 years | L, Other | Radiofrequency ablation, Sclerotherapy | Monthly x3, 6 months, 2 years |
| 77 | 18319007 | Case report | 1 | None | None | None | None | None | 45 | 8 years | T, other | Topical antihistamines and emollients, Cryotherapy | None |
| 78 | 6931304 | Case report | 1 | n = 1 | None | n = 1 | n = 1 | None | 54 | 22 years | None | None | None |
Clinical presentation and diagnosis
The age distribution ranged from 17 to 81 with a median of 49 years. There were 5 cases in pediatric patients that were not classified as congenital lymphangioma. Due to the lack of ethnicity data included, we could not determine any ethnic distribution for AVL. In studies that reported diagnostic delay, there was a mean delay of 5 years until the time of diagnosis. The most common symptoms reported included: clear oozing discharge, pain, and pruritus. Eleven patients were asymptomatic. The most common clinical findings included: multiple circumscribed papulovesicular lesions of varying sizes, often filled with clear fluid. Anatomical distribution was varied and involved the mons pubis, one or both labia majora, one or both labia minora, entire vulva, or entire vulva with spread to the thigh. All cases were biopsy-proven.
Treatment and outcomes
A total of 58 studies consisting of 96 patients evaluated treatment modalities. Of these, the most common treatment modality was surgery, followed by laser. Topical therapies included clobetasol cream and other topical corticosteroids, local antiseptics, isonicotinic acid hydrazide, ethambutol chloride, rifampicin, gentian violet 1% solution, emollients, silver sulfadiazine 1%, imiquimod and antihistamines. One study mentioned the use of physical therapy or lymphedema therapy. Follow-up was variable and not reported in most studies.
Of the 36 case reports that listed surgery as the treatment modality, 23 (64%) reported no evidence of recurrence for a total of 31 patients. Seven reports of 21 patients did not mention the efficacy of surgical excision, and all other reports noted some type of recurrence. There were 13 case reports which reported laser as a treatment modality. Of these, 6 reported a combination of topical or surgical treatment modalities in addition to laser therapy. Five reports of 6 patients (38%) had no evidence of recurrence. One report did not include treatment efficacy, and all other reports noted recurrence, most being minor or lesion size smaller than the primary lesions. The analysis also included 11 patients that were treated with topical therapies. Treatment outcomes were rarely reported, with some just noting symptom improvement. Most outcome measures relied on clinical improvement in signs and symptoms as evaluated by the provider. Quality-of-life outcome measures were not included in any of the studies.
Disease associations
Although 68% of cases had a disease association, the most common being a prior diagnosis of pelvic malignancy (cervical, vulvar, vaginal, endometrial, or bladder). Inflammatory bowel disease (IBD) was the second most common disease association and was seen in 5% of cases. There were 3 cases (2%) presenting with lesions associated with pregnancy. Most patients had prior radiation or surgical treatment with 36% (n = 48) treated previously with radiation, 30% (n = 40) with prior lymph node dissection, and 27% (n = 36) with prior surgical resection without lymph node dissection. While the other 32% of cases were idiopathic, many did evaluate for other disease associations or malignancies with a variety of modalities. The most used diagnostic tools were screens for sexually transmitted infections such as syphilis, human immunodeficiency virus, or hepatitis. Other tests included ultrasound, abdominal and pelvic computed tomography or magnetic resonance imaging, and pap smears.
Discussion
In this review, we summarize the clinical findings, treatment modalities, and disease associations of AVL. This is an underrecognized condition and diagnosis is often delayed with 84% of cases in our study reporting diagnostic delay. Prior studies have evaluated the association between AVL and malignancy and reported that AVL is a late complication of prior surgery or chemotherapy to treat anogenital and pelvic malignancies, with the most common preceding malignancy being cervical carcinoma.3 AVL is likely more common in pelvic and anogenital cancer survivors than reported as it is often misdiagnosed. Because it can present initially with nonspecific inflammation and symptoms of pruritus/burning, it may be misdiagnosed as other vulvar conditions including the genitourinary syndrome of menopause, lichen sclerosus, and contact dermatitis.
AVL is thought to develop due to disruption in lymphatic drainage, through surgical resection, lymph node dissection, radiation, or even mass effect of anogenital/pelvic malignancies.3 Because of the changes in drainage of lymphatic fluid, many cases of AVL have unilateral or bilateral vulvar edema. Vulvar edema alone may be an early presenting sign. Other conditions that lead to systemic inflammation, including IBD, specifically Crohn’s disease, have been associated with AVL. The mechanism is likely through long-standing edema, fibrosis, and inflammatory changes. Both vulvar edema and AVL are nonspecific findings that can be a presenting sign in Crohn’s disease or occur even in the setting of Crohn’s disease where the gastrointestinal disease is well-controlled or not symptomatic.1,10,29,34
Overall, a thorough examination, history, and high clinical suspicion is required to diagnose these conditions early. We recommend that in patients presenting with AVL with no prior diagnosis of IBD or malignancy, a thorough review of systems and age-appropriate screening should be performed. If there is a concern for pelvic malignancy, imaging, and appropriate lab work should be considered in the appropriate patient. If there is suspicion of IBD, appropriate workup including a fecal calprotectin level, may be considered.
Evidence-based guidelines for the management of AVL are lacking, leaving no clear standards for treatment. Surgical excision was found to have the lowest rate of recurrence when compared to laser and topical treatments, however, follow-up duration and reported outcomes were not standardized, making the evaluation of therapy efficacy challenging. Additionally, it is important to note that wide local excisions/labiectomy/vulvectomy may carry increased morbidity and functional impairment compared to nonsurgical methods. Overall, information regarding the duration of therapy, treatment time to resolution or recurrence, and efficacy measures were limited and variable.
Treatment requires multidisciplinary care and should focus on addressing any underlying lymphatic changes, managing any underlying inflammatory condition, and utilization of skin-directed therapies and barrier agents, as well as addressing symptoms of pruritus and pain. While only mentioned in one of the articles click or tap here to enter text., these authors suggest in addition to the above, referral to a physical therapist with specialized training in the management of genital edema.19
The main limitation of this review is the study design as data was derived predominantly from case reports and case studies and thus, our study is limited by interstudy variability and heterogeneity of results. Many studies were missing variables that are useful for providing diagnostic or therapeutic recommendations.
Summarizing the data from existing studies provides further information on the characteristics and treatment modalities of AVL. However, prospective studies are needed to further characterize this condition to better understand true incidence and prevalence, risk factors, and pathogenesis, with the goal of earlier diagnosis and development of treatment guidelines. Additionally, because symptoms can be debilitating, future studies should consider incorporating quality-of-life outcome measures.
Conflicts of interest
None.
Funding
None.
Study approval
N/A
Author contributions
AD, AB, and CK participated in screening articles, writing the manuscript, and editing the draft.
Footnotes
Published online 24 May 2023
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