ReviewBartholin's gland carcinoma: Epidemiology and therapeutic management
Introduction
Bartholin's gland was first described by Duverney who identified this gland in cows. It was subsequently identified in the human female in 1675 by Caspar Bartholin a Danish anatomist [1]. These paired glands, also called greater vestibular glands, are 0.5 cm in diameter and are found in the labia minora in the 4- and 8-o’clock positions. Typically they are nonpalpable and their function is to maintain the moisture of the vaginal mucosa's vestibular surface.
Documentation of Bartholin gland carcinoma was firstly reported in 1864 by Klob [2].
There is a minimal awarness of the possibility of Bartholin gland carcinoma (BGC) which is often misdiagnosed as a cyst or an abscess. Because suspicion is low, diagnosis is then delayed untill discovered at later stages.
There is no consensus on the treatment of Bartholin's gland carcinoma due to the lack of prospective and randomized controlled trials and large series in the literature. Recommendations for treatment, such as extensive vulvar surgery and inguinal and pelvic lymphadenectomy are based on limited clinical experience. BGC is a type of vulvar carcinoma and treated similarly to primary squamous cell carcinoma of the vulva. Most studies available in the recent literature are largely retrospective in nature. This article review the literature to discuss the management of BGC.
Section snippets
Definition
The diagnostic criteria of primary Bartholin's gland carcinoma were first established by Honan in 1897 : Correct anatomic location of the tumor, with a primary location deep in the labia, connection of tumor with the gland duct with the presence of adjacent intact gland tissue [3]. But these criteria having been too restrictive, they were widened by Chamlian and Taylor in 1971 [1], [4] : The tumor is accepted being a primary tumor of the Bartholin gland when (1) The tumor involving the area of
Epidemiology
Primary neoplasms of the Bartholin gland are rare and account for approximately 2–7% of vulvar cancer and less than 1% of all gynecologic malignancies [1], [4], [5], [6], [7]. The mean age at diagnosis is 50–60 years with a range 33–93 years [8], [9], [10], [11].
The utmost leading symptom is a painless visible mass in the posterior part of the labium majus which frequently leads to delay in obtaining the correct diagnosis, as many lesions are initially thought to be Bartholin gland cysts. Most
Histological types
Bartholin's neoplasm may arise from the gland itself or from its duct: Histologically, the duct of Bartholin gland near its orifice is composed of squamous epithelium many layers thick, which become transitional in character as the duct nears the gland. The secondary ducts are lined by a thinner transitional epithelium, and the terminal ducts and glands by a single layer of transitional or cylindrical epithelium.
Squamous cell carcinoma and adenocarcinomas are the predominating malignancy at
Pretreatment evaluation
A diagnosis of primary BGC cannot be established unless metastase from another source is eliminated. A careful complete history and physical examination should be performed including a thorough pelvic examination, cervical examination with Papanicoalou smear in women with no history of hysterectomy. Careful bimanual examination with palpation of the entire vagina can detect small nodules not visualized during the examination.
As patient comfort is essential to a succesful examination, the
Surgical management of the primary tumor
Therapeutic principles in the management of median vulvar cancer appear to be appropriate for management of BGC. The standard treatment for early stage (clinical T1 or T2 N0M0 tumors) is primary surgery with radical excision (hemivulvectomy for lesions <2 cm or radical total vulvectomy for lesions more than 2 cm diameter) with bilateral inguinofemoral lymph node dissection (ILND) followed by radiotherapy if indicated [17], [24].
It is common for the primary tumor to be excised by a general
Pronosis
The size and stage of the disease at the time of diagnosis are the most important indicators. Five year survival of patients treated with radical surgery range from 70% to 93%, when the nodes are negative, to 71% 5-year survival rate with a single positive inguinal node, and to less than 20% 5-year survival rate in patients with multiples inguinal nodes. These percentages underline the prognostic role of lymph nodes metastasis. The overall 5-year survival rate of approximately 70% is below the
Conclusion
Primary carcinoma of the bartholin's gland is a very rare malignancy of the vulva. Of the utmost importance in the management of these tumors is the management by specialized gynecological oncologist at referral centres as soon as possible.
The absence of specific symptoms explains the frequent delay to diagnosis and its discovery in later stages needing a more aggressive management.
Nowadays, with the SLN technique and neoadjuvant treatments, the inherent morbidity of BGC surgical treatment
Conflict of interest statement
The authors declare that they have no conflicts of interest.
Authorship statement
Guarantor of the integrity of the study: [G. Body, L. Ouldamer]
Study concepts: [L. Ouldamer]
Definition of intellectual content: [L. Ouldamer]
Literature research: [L. Ouldamer, Z. Chraibi]
Data acquisition: [Z. Chraibi, F.Arbion]
Data analysis: [L. Ouldamer]
Manuscript preparation: [L. Ouldamer]
Manuscript editing: [I. Barillot]
Manuscript review: [I. Barillot, G. Body]
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