The Giant Acuminate Condyloma (GAC) or Buschke-Lowenstein Tumor (BLT) is a benign and rare clinical entity of viral origin with exclusive sexual transmission   . It is a destructive and infiltrating local tumor, with “cauliflower” appearance, induced by a latent infection with the Human Papilloma Virus (HPV), in particular strains 6 and 11 and incidentally phenotypes 16 and 18     . The first observations were made by Buschke in 1896  . Then in 1925, Buschke and Lowenstein, gave a fairly accurate description of its voluminous nature, which they then assimilated to a “condyloma acuminate close to the cancerous lesions” developed at the expense of the penis. Indeed, even if the GAC presents the histological characteristics of a totally benign tumor, it is presented in a macroscopic aspect giving it the appearance of an infiltrating malignant lesion. In addition, it has an evolutive potential towards the malignancy which imposes, during the surgery, a resection in healthy zone followed by a histological analysis so as not to disregard an underlying epidermoid carcinoma  .
In the genesis of this benign tumor proliferation, HIV infection seems to be increasingly predominant    . In developing countries, the sexually transmitted infections (STI) are common, constituting a favorable context to the discovery of GAC, but there are few articles, in African literature, about this subject. From a case observed at the department of Gynecology and Obstetrics of the University and Hospital Center of Cocody (Abidjan, Côte d’Ivoire), we propose to study the epidemiological, clinical, histological and evolutionary aspects and to insist on the therapeutic possibilities of this disease in our country with limited resources.
Mrs. MDB, 30 years old, single with multiple sexual partners and repeated lower genital infections history, treated with local antiseptics. She consults for a voluminous painless tumefaction of the vulva and the perineum of slow and progressive installation. The onset of the symptomatology would go back to six months by the appearance of intense vulvar itching associated with greenish flows. The use of local antiseptics had no beneficial effect on clinical symptomatology. This was followed by the gradual appearance of scattered vulvar eruptions that invaded the entire vulva. These eruptions will then conflux to give a voluminous bud progressively extensive. After various unsuccessful treatments (shamanic and traditional methods), she consulted us. The examination revealed a conserved general condition, a voluminous budding and vegetating tumor in the form of “cauliflower”, about 20 cm × 15 cm, occupying the whole vulvar region, extended to the pubis to the perianal region and to thegluteal furrow (Figure 1). There were no pain, induration, or bleeding on contact and no lymphadenopathy at the inguino-crural ganglionic zones. The exploration of STI revealed a type I HIV infection with impaired immune status (the CD4 count was 200/mm3). There were no other detectable STIs (syphilis) and the cervical cytology was normal. We thought of the GAG without excluding a vulva cancer.
A large surgical excision,through healthy zone, by cauterization with the electric bistoury was performed by lack of a CO2 laser. The histological analysis of the surgical specimen confirmed the diagnosis of giant condyloma without signs of malignancy (Figure 2).
Daily local care allowed a more or less slow but complete healing after three weeks. An antiretroviral therapy (ARV) has also been prescribed for life. It included a combination of zidovudine, didanosine, efavirenz. The six-month
Figure 1. Condyloma inguinal pubo-ano-vulvar giant.
Figure 2. Pathological Aspect G × 100. hematoxylin eosin. Papillomatous hyperplasia with significant extent on the squamous lining koilocytes: papillary appearance, thickened and hyperacanthosic squamous epithelium, cytoplasmic alterations of the squamous cells (koilocytosis, binucleation, nuclear pycnosis).
evaluation found a satisfactory progression, no recurrence and improved immune status (CD4 count > 350/mm3).
The tumor of Buschke-Lowenstein or giant acuminate condyloma (GAC) is a very rare tumor of the ano-vulvar region. Its incidence is estimated at 0.1% of the general population   . It is a sexually transmitted disease characterized by its degenerative potential and invasiveness and recurrence after treatment    . This condition affects menmore than women (with a ratio of 3:1), and mainly subjects of an average age of 50 years   . In the case reported, the appearence of the GAC in the young patient (30 years) would be related to the immune depression due to HIV infection. GAC is a viral disease mainly due to HPV 6 and 11 with low oncogenic potency. However types 16, 18, 31, 33 (known as oncogene) can also cause GAC which can be transformed in cancer   .
The HPV viral status of our patient could not be specified due to the absence of specialized laboratories. However, the histology of the resection showed the presence of koilocytosis, a highly pathognomonic but non-specific lesion of HPV infection. HPV infection, the cause of acuminate condyloma, is common in sexually active women aged 45 years on average  . Andthis infection is favored by some well known factors: promiscuity, precarious hygiene, tobacco and immunosuppression. The immunosuppression, due to various causes (HIV infection, diabetes, ethylism or chemotherapy), is responsible for the extensive form of the acuminate condyloma    . Besides the absence of circumcision and the resurgence of genital herpes in men, multiplicity of partners, prostitution and homosexuality are also co-factors of the HPV infection     .
Genital localization is commun and most often asymptomatic  . In men, the GAC is localized in more than 80% of cases in the penis and in less than 20% of cases in the anorectal region   . It may also occur in the urethral level in 5% of cases in certain series   . In women, the location is mostly vulvar (90%) as opposed to the anorectal seat which remains less frequent   . In our case it was a very large tumor, which occupied the entire inguino-pubo-ano-genital region (Figure 1). GAC usually begins with rounded or filiform pink or normal skin colored lesions. The spontaneous evolution may vary from a few months to several years  . The state phase following the invasion is characterized by the appearance of a tumor of large size (10 - 15 cm of major axis) papillomatous, irregular, surface bristling with digitations, budding, Often of a whitish or yellowish color, often showing superficial ulcerations and superficial infectious lesions   . In the case reported, the lesion was blackish, necrotic, probably in relation to the lack of local hygiene or the age of the lesions, which in our context of illiteracy can be explained by the delay in the consultation. The presence of bleeding, infiltration of the base or adenopathies should evoke malign degeneration   .
Due to its rarity, various therapeutic measures have been proposed before a GAC  . In countries with limited incomes, the reference treatment is surgical removal by electric scalpel, in the absence of CO2 laser  . The surgical specimen must then be analyzed in order to determine the histological nature. In optical microscopy, the GAC appears as a very limited squamous cell carcinoma, characterized by an often pseudo-papillomatous epithelial hyperplasia, the basal membrane of which is still intact. We also notice the presence of a hyperacanthosis, a hyperpillomatosis and koilocytes (pathognomonic markers of the presence of HPV)  . The identification of HPV can be done by electron microscopy, immunohistochemical methods and finally by the molecular biology technique either by hybridization or by PCR  . All of these diagnostic procedures are not available in our health facilities, making HPV research and typing difficult.
Moreover the search for STIs should be systematic (HIV, chlamydia trachomatis, syphilis) due to some co-infection.
The choice of treatment depends on multiple factors, including localization, surface or deep extension, tumor size, failure of previous therapies  . Tyring and Maymon proposed the first-line use of podophyllin solution or gel   . Podophyllin is an antimitotic which has the effect of necrosis of the treated tissues and thus remains effective on young GACs  . The neurotoxic and hematotoxic effects of podophylline limit its use. In front of a small size BLT, some proposed the association cryotherapy-5FU in topical    . For some authors, 5FU, intralesional antimitotic, has no effects on TBL   . Howeverit can be used as an adjuvant treatment after destruction by electrocoagulation or by the CO2 laser    . Electrocoagulation should be reserved for the treatment of GAC in its minor forms because the risk of haemorrhagy is major in advanced forms  . CO2 laser vaporization has also been described as a therapeutic method in GAC with 70% healing rates for a single session   . But the Yag laser appears to be more efficient  .
Interferons may be used intralesionally or parenterally. But their evaluation in current practice is still underestimated in our context because of their high cost. Some found them efficient in the treatment of old and recurrent condylomas  . Chemotherapy with systemic bleomycin or methotrexate is a therapeutic alternative, even if it involves an incomplete regression. All these therapeutic means have not been used in the reported observation, either because they are unavailable or because they are expensive. The treatment of choice here has been surgical because it is more effective in the advanced stage of the disease   . In the case of infiltrating TBL, the excision must be wider, removing the rectum or the vulva according to some authors    . We simply performed a superficial electrocautery whose haemostasis has been laborious but satisfactory. The inguino-crural lymph node dissection is not indicated except in case of degeneration. In some cases, repair may require a cutaneous or muscular flap of proximity. The frequency of recurrences and the risk of epidermoid carcinoma require a prolonged clinical and histological monitoring  . In addition to surgery, our patient received antiretroviral treatment for HIV, which she must take for life. The psychological aspect of the care is crucial for Adela due to the negative impact of GAC on the sexual and psychosocial life of the patients  . This psychological aspect is often neglected or even rejected in our context because of certain socio-cultural beliefs. Self-vaccination immunotherapy has been a remarkable advance since the commercialization of HPV vaccines. These vaccines are active on the main HPV strains responsible for condylomas (6 and 11). Primary prevention should also be based on information, education of populations in the fight against STIs for behavioral change (through fidelity or abstinence), condom use and vaccination of children before any sexual activity.
The Buschke-Lowenstein tumor or giant acuminate condyloma is an extremely rare tumor requiring early and wide surgical treatment with rigorous and regular post-surgical monitoring. The association HPV and HIV is very frequent and morbid. Functional and vital prognosis can be initiated in the event of degeneration, hence needing for prevention by systematic anti-HPV vaccination before sexual activity and the fight against STIs (screening for HIV infection, sex education).
Conflict of Interest
The authors declare that they have no conflicts of interest in relation to this article.
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