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Chronic Ulcers: Updating Epidemiology, Physiopathology, and Therapies

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Review Article | Open Access

Volume 2012 |Article ID 146797 | 9 pages | https://doi.org/10.1155/2012/146797

Ulcerative Lesions in Behcet's Disease

Academic Editor: Marco A. C. Frade
Received08 Jun 2012
Revised11 Sep 2012
Accepted01 Oct 2012
Published12 Nov 2012


Ulcerative lesions in Behcet’s disease (BD) are regarded as important manifestation for diagnosis. Various kinds of ulcerative lesions appear in patients with BD. They present as orogenital ulcers, necrotizing vasculitis and pyoderma gengrenosum. Gastrointestinal system involvement (Gis) in Behçet’s disease affects all areas from the esophagus to the anus. Most authors believe that the Gis manifestations of Behçet’s disease should be confined to aphthous ulcers, which can occur throughout the Gis tract. All patients with oro-genital and Gis ulcerations should be fully investigated to establish a definitive diagnosis and eliminate the possibility of an underlying BD.

1. Introduction

BD was first defined by Behçet, a Turkish Professor of Dermatology, in 1937 as a triad of recurrent aphthous stomatitis, genital aphthae, and relapsing uveitis [1]. During the ensuing 65 years multiple systemic associations of the disease including articular, vascular, gastrointestinal, cardiopulmonary and neurologic involvement have become increasingly apparent [24]. Although the etiology and pathogenesis is not clearly defined, genetic predisposition, infections and immunological dysfunctions have been implicated [5]. BD has been reported worldwide, but has a distinct geographic distribution, with highest prevalences in countries along the ancient silk route. Although much has been learned during recent years on the pathogenesis and treatment of the disease, it is still an important cause of morbidity and mortality in areas where it is prevalent [3]. Young individuals are most commonly affected. Male to female ratio is usually 1 : 1. The gender predominance is different according to the prevalent countries. So M : F ratio 1 : 1 seems to be not always correct [4]. Ocular and central nervous system involvement are the basic prognostic factors in BD. Cardiovascular, pulmonary, and gastrointestinal system involvements are the major causes of mortality. In different series, high prevalence of ocular, nervous system, pulmonary system involvement, large vessel thrombosis, thrombophlebitis and patergy positivity has been found in male patients, and in view of these data a more severe course in male patients can be expected. Higher incidence of severe clinical course and systemic involvement is observed when early onset of the disease is present [24].

2. Ulcerative Clinical Manifestations

Ulcerative lesions in BD are regarded as important manifestation for diagnosis. Various kinds of ulcerative mucocutaneous and Gis lesions appear in patients with BD.

2.1. Mucocutaneous Ulcerative Lesions

Mucocutaneous ulcerations are the most common presenting symptoms of the disease.

Oral Ulcers
Oral ulcer (or aphthae) is localized, painful, shallow, round to oval ulcer often covered by a gray fibromembranous slough and surrounded by an erythematous halo (Figure 1). They are seen as minor or major ulcerations, sometimes with herpetiform distribution at any site in the oral cavity. International study group criteria do not permit diagnosis in the absence of oral aphthae, and oral aphthae was seen in all patients with BD. The vast majority of mild cases present with recurrent aphthous ulcerations of the oral mucosa which are usually the earliest and universal sign of the disease that are indistinguishable from common aphthae-canker sores in appearance and localization and has a yellowish necrotic base. This is frequently the first symptom and can precede the other manifestations of the syndrome by many years. Minor aphthous ulcers (<10 mm in diameter) are the most common type (85%); major or herpetiform ulcers are less frequent. Such mouth ulcers may be so painful that the patient is unable to eat during the attack. Aphthae may evolve quickly from a pinpoint flat ulcer to a large sore. In addition, intervals between recurrences range from weeks to months and typically may precede the onset of ocular, central nervous system, and some other systemic findings by many years. Smokers often experience a relapse of oral ulcers after quitting and nicotine replacement patches have been suggested to be useful in BD [2, 47].

Genital Ulcers
In previous reports the prevalence of genital ulceration (or aphthae) was found to be between 60 and 90% (Figure 2). Genital lesions were most commonly seen on the scrotum of male patients and on the vulva of female patients and tended to be larger and deeper in the female patients, sometimes even leading to perforations. The ulcers usually heal in 2–4 weeks; large ulcers frequently leave a scar whereas small ulcers and those on the minor labia heal without leaving a mark [2, 4, 5, 7]. Genital ulcers are the second most commonly observed onset manifestation and resemble their oral counterparts. However, they are larger and deeper than mouth lesions, and appear at some time during the course of the disease [2, 4].

Otherskin Ulcerations
Other skin ulcerations, such as extragenital skin ulcers in the axillary and interdigital areas, pyoderma gangrenosum, leucocytoclastic vasculitis, polyarteritis-like cutaneous lesions, true arterial lesions, subungual infarctions, are less common [8].

Extragenital Ulcers
Extragenital ulcers occur in about %3 of patients (Figure 3). They are common in children with BD and these recurrent ulcers usually heal with mild scarring [8]. Skin biopsies of extragenital ulcerations showed vasculitis [9, 10]. Extragenital ulcers look like aphthous ulcers and commonly heal leaving a round atrophic scar. They are common in children with BD [8].

Pyoderma Gangrenosum
Pyoderma gangrenosum-like lesions are extremely rare. Pyoderma gangrenosum is a neutrophilic dermatitis with the same hypersensitivity to trauma as BD. In pyoderma gangrenosum some cases are associated with bowel disease as in BD. Also, pyoderma gangrenosum can produce in some cases localization of neutrophilic lesions in other organs such as heart, lymph nodes, and central nervous system which resembles BD to some extent [11].

Necrotizing Vasculitic Ulcers
Some cases of BD with severe necrotizing vasculitis as a skin manifestation have been described. A case of BD in a 11-year-old Korean boy who had severe necrotizing vasculitis as a skin manifestation was reported [12]. Cutaneous vasculitis in BD is predominantly a venulitis or thrombophlebitis, with relative sparing of the arterial compartment. Vasculopathy [13] reported that approximately half (48%) of BD patients with cutaneous lesions had either lymphocytic (31%) or leukocytoclastic vasculitis (17%). They have suggested that vascular inflammation is the pathologic basis of the skin lesions in BD and that the histologic spectrum ranges from fully developed necrotizing vasculitis with marked fibrinoid necrosis of vessel walls to perivascular inflammation with or without a marked interstitial infiltrate [1315]. Plotkin et al. [16] reported that a patient with chronic recurrent migratory superficial thrombophlebitis and marked cutaneous hyperreactivity (pathergy) who developed leukocytoclastic vasculitis with recalcitrant leg ulcerations 9years after the onset of his illness. Cutaneous polyarteritis-nodosa-like lesions and necrotizing panarteritis involving small and medium-sized arteries in the dermis-subcutis junction have also been reported rarely with BD. Vikas et al. [17] reported that their patients had both venous and arterial involvement, the former with thrombotic angiopathy and the latter with acute vasculitis.

2.2. Systemic Ulcerative Manifestations
2.2.1. Gastrointestinal System Involvement

Gastrointestinal system involvement in BD affects all areas from the esophagus to the anus. Most authors believe that the gastrointestinal system manifestations of BD should be confined to aphthae, which can occur throughout the gastrointestinal system tract. The frequency of gastrointestinal system involvement varies considerably in different studies and also between different countries. In Japan and Korea the prevalence of gastrointestinal system involvement is higher (15–45%), whereas in Turkey and Israel the prevalence is much lower (0–5%). Some patients with inflammatory bowel disease have been included in series of patients with BD. Gastrointestinal system ulcers were most commonly found in the esophagus, terminal ileum, colon and rectum, and no significant difference was noted in the frequency of gastrointestinal system involvement between the two sexes [2, 4]. The symptoms include anorexia, vomiting, dyspepsia, diarrhoea and abdominal pain. The ileocaecal ulcers have a distinct tendency to perforate. Intestinal ulcers in BD are usually multiple and tend to perforate easily, which may lead to an emergency operation [14, 18]. Transmural inflammation may give rise to fistulae. The ileocaecal region is affected frequently, but any part of the gastrointestinal tract may be involved. Distinguishing BD from inflammatory bowel disease may prove challenging. Ulcers are identical histologically to ulcerative colitis; if present, granulomata suggest Crohn’s disease. Pathergy, when positive, points to a diagnosis of BD [18, 19].

2.3. Diagnostic Investigations
2.3.1. Laboratory Studies

Although there is no specific laboratory profile to diagnose BD, the key is to obtain maximal history and review of systems with detailed physical examination. A moderate anaemia of chronic disease, a slightly raised neutrophils and/or platelet count is found in around 15% of patients. The erythrocyte sedimentation rate and C-reactive protein are usually moderately elevated but do not correlate well with disease activity. Serum immunoglobulins, especially IgA and IgD, are sometimes elevated with the presence of circulating immune complexes; complement levels might also be high. Autoantibodies such as rheumatoid factor, antinuclear antibody, anticardiolipin and antineutrophilic antibodies are absent. Disease activity may be assessed by elevated status of neopterin, anti-streptolysin-O, 1-antitrypsin and 2-macroglobulin, all of which are the active components of phagocytic system of polymorphonuclear leukocytes. An elevation in the level of 2-microglobulin and myeloperoxidase, generated by activated neutrophils, have also been reported. Cryoglobulinemia, and eosinophilia may occur. HLA analysis should be performed for differential diagnosis in some cases. Abnormalities in the coagulation cascade such as increased levels of fibrinogen, plasminogen activator inhibitor-1 and circulating factor VIII have been described along with reduced fibrinolytic activity. Known thrombophilic factors such as factor V Leiden and prothrombin gene mutations and protein C and protein S deficiency also have been reported to coexist in BD patients by us [1921].

2.3.2. Skin Tests

Pathergy describes th inappropriately excessive subacute inflammatory reaction to nonspecific injury. It is relatively specific for BD, although it can also be observed in Sweet syndrome, in patients with chronic myeloid leukemia on treatment with interferon- , erythema elevatum diutinum, pyoderma gangrenosum, and also inflammatory bowel disease such as colitis ulcerosa and Chron disease [2, 4]. The urat crystal test has been found to be more sensitive than the formal pathergy test in the demonstration of abnormal inflammation in BD. The usual response to an intradermal injection of 2.5 mg of urate crystals is an erythematous reaction, maximal at 24 hours and mostly resolved at 48 hours. In BD, the erythematous response is exaggerted, with a greater degree of inflammation present at 24 hours and/or persistance at 48 hours. This test has been reported as having a sensitivity of %61 and a specificity of %100 for the diagnosis of BD. The greater sensitivity of the urate crystal test suggests it has clear potential as an aid to the diagnosis of BD, although a positive test may be difficult to demonstrate in patients on anti-inflammatory drugs [2325].

3. Diagnosis

In the absence of a universally accepted diagnostic test, the diagnosis of BD remains purely clinical. In 1990, the International Study Group for BD proposed new diagnostic criteria based on the analysis of 914 patients from several countries. For patients to be classified as having BD, the patients must have recurrent oral ulcers plus at least two of the other criteria including ocular involvement, genital ulcers, skin lesions (erythema nodosum-like lesions and papulopustular eruptions), or the pathergy test in the absence of an alternative clinical diagnosis. It is important to note that a patient who fails to meet the criteria fully may still have BD [26]. Due to orogenital ulcers tendency to spontaneous healing and well-known morphology, biopsies are rarely performed, and, due to similar histopathological features of all variants of ulcers, histopathological examination has a limited value in the differential diagnosis. Lymphocytes, macrophages, and neutrophils are observed at the base of oral ulcers. The infiltrate is more pronounced around the vessels. Although classified as vasculitis, some studies report that most mucocutaneous lesions in BD do not present typical characteristics of an actual vasculitis. Fibrinoid necrosis in the vessel walls is reported to be very rare. At the periphery of the ulcer base, the infiltrate may penetrate into the epidermis. Some recently published direct immunofluorescence studies report IgM and C3 deposits in perivascular region with or without granular C3 deposits at the dermoepidermal junction in the perilesional skin of oral ulcers in BD patients. Also in another study, Wilhelmsen et al. evaluated perilesional skin of 23 oral ulcer patients with direct immunoflourescence and found out the immunocomplexes to be absent [9, 26] (Table 1).


Recurrent oral stomatitis
PFAPA (Periodic fever, aphthous ulcers, pharyngitis, adenopathy)
Familial Hibernian fever
Sytemic lupus erythematosus
Ulcerative colitis
Coeliac disease and other malabsorption states
Iron, B12 and folate deficiency
Human immunodeficiency virus infections
Oral ulcersChickenpox
Hand, foot and mouth disease
Nicorandil (anal ulcers also reported)
Cyclical neutropenia
Bullous skin disease
Lichen planus

Complex aphthosis
Reiter’s syndrome
Mouth and genital ulcers with inflamed cartilage (MAGIC)
Crohn’s disease
Sweet’s syndrome
Erythema multiforme
Genital ulcersBullous skin disease
Erosive lichen planus
Fixed drug reaction
CMV (in immunocompromised patients)
Herpes simplex (HSV1)

Vasculitic ulcerationsSweet’s syndrome
Pyoderma gangrenosum
Erythema multiforme
Leukocytoclastic vasculitis
Polyarteritis nodosa

Gastrointestinal ulcerationsCrohn's disease
Coeliac disease
Colitis ulcerosa [19, 22]

4. Differential Diagnosis

It usually is not difficult to recognize the full-blown syndrome of BD, but the so-called incomplete forms sometimes cause problems. Therefore, other causes of oculomucocutaneous syndromes should carefully be excluded including autoimmune bullous skin diseases, erythema multiforme major, Reiter syndrome, seronegative arthropathies, sarcoidosis, Sweet syndrome, cicatricial pemphigoid, celiac disease, and pemphigus vulgaris. Similarly, herpes simplex virus infection, lichen planus, syphilis, systemic lupus erythematosus, ulcerative colitis, and mixed connective tissue diseases may also cause oral and cutaneous ulcers. Oral ulcers alone should be differentiated from recurrent aphtous stomatitis, erythema multiforme, toxic epidermal necrolysis, syphilis, tuberculosis orificialis, inflammatory bowel diseases, and erosive lichen planus. Genital ulcerations should be differentiated from venereal diseases such as chancroid, syphilis, scabies, and herpes simplex virus infection. Similarly, recurrent orogenital ulcerations are also seen in hypereosinophilic syndrome, myelodysplastic syndrome, Munchausen syndrome (pseudo-BD), pemphigus vulgaris, tuberculosis cutis, and acquired immunedeficiency syndrome [2, 4, 19, 22].

5. Treatment

Treatment of the various symptoms of BD remains controversial because of the heterogenity of the condition, lack of reliable laboratory markers of disease activity, and paucity of controlled clinical trials and unstandardized outcome measures for this disease (Table 2).

(a) Topical treatments of ulcerations

TreatmentDoseUsed as first-line therapyUsed as alternative therapy

Topical steroids3 times a day topicallyOral and genital ulcers
%5 Amlexanox paste4/day topicallyOral ulcers
Sucralfate suspension4/day topically for 3 monthsOrogenital ulcers
Triamcinolone acetonide 40 mg ampuleIntralesionally 5 mg/mLSevere orogenital ulcers
Lidocaine %2–54/day topically as mouthwashes, before meals Severe and multiple oral ulcers in Behçet’s patients with insufficients oral intake by pain,
Chlorhexidine gluconate rinses %1-2Topically as mouthwashesOral ulcers
Tetracycline250 mg in 5 mL water solution, held in mouth for 2 min once a dayOral ulcers
rhGM-CSF 300 μg ampuleIntralesionally injection in every 2 weeksLarge genital ulcers

(b) Systemic treatments

TreatmentDoseUsed as first-line therapyUsed as alternative therapy

Systemic steroids5–100 mg/day orallyOrogenital and gastrointestinal ulcerations
Colchicine0.5–1.5 mg/day orallyOral and genital ulcers
Thalidomide 100–300 mg/day orallyOrogenital ulcers
Dapsone100 mg/day orallyOral and genital ulcers
Pentoxifylline 300 mg/day orallyOrogenital and leg ulcers
Levamisole150 mg in 3 doses/day every 2 day 1 weekMucocutaneous ulcers
Penicilline  U/3 weekMucocutaneous ulcers
Azithromycin500 mg 3 times a week for 4weeksMucocutaneous ulcers
Interferon-α5 million U/day im or s.c.Mucocutaneous ulcers
Sulfasalazine1–3 gr/day orallyGastrointestinal ulcers
SurgeryGastrointestinal ulcers

Combination therapies
 Penicilline + colchicinePenicilline  U/3 week, colchicine 1.5 mg/dayMucocutaneous ulcers

5.1. Therapy of Ulcerations
5.1.1. Mucocutaneous Ulcers

In mild forms of the mucocutaneous ulcerations, initial treatment consists of mild diet, and avoidance of hard, spicy, or salty nutrients and chemicals. Topical treatment of oral ulcers includes caustic solutions (silver nitrate %1-2, tinctura myrrhae %5–10 w/v, hydrogen peroxides %0.5, and methyl violet %0.5) 1-2×/day, topical antiseptic and anti-inflammatory drugs (amlexanox %5 in oral paste, rebamipine, hexetidine %1, chlorhexidine %1-2 mouth-wash solutions, benzydamine, camomile extracts, and tetracycline mouth-wash) and also glycerine solution 250 mg/5 mL glycerine for 2 min, 4–6×/day, topical corticosteroids (triamcinolon mucosal ointment, dexamethasone mucosal paste, and betamethasone pastilles) 4×/day or during the night or intrafocal infiltrations with triamcinolone suspension 0.1–0.5 mL per lesion, topical anaesthetics (lidocaine %2–5, mepivacaine %1.5, tetracaine %0.5–1 gels or mucosal ointments) 2-3/day, topical sucralfate (suspension, 1 gr/5 mL) 4×/day, 3 months durations as mouthwash, topical aminosalicylic acid (%5 cream) 3×/day5. In daily practice, the contents of a tetracycline capsule (250 mg) can be dissolved in 5 mL of water, holding in the mouth for about 2 minutes (four times a day). BD patients with insufficient oral intake caused by pain can be treated with topical lidocaine (2–5%) applications before meals and oral anti-inflammatory rinses containing chlorhexidine gluconate (1-2%) [2731].

In topical treatment of genital ulcers and cutaneous ulcers, corticosteroid and antiseptic creams can be applied for a short period of time like 7 days. Painful genital ulcers can be managed by topical anaesthetic in cream [5]. Topical sucralfate reduces the healing duration and pain of genital ulcers like oral ulcers. Sucralfate has been used in the treatment of orogenital ulcerations [27]. For severe ulcers, intralesional corticosteroid (triamcinolone acetonide) may be helpful. Corticosteroid injections like triamcinolone 0.1–0.5 mL/lesions can be focally applied in recalcitran ulcerations. Bacanli et al. studied the efficacy of topically applied granulocyte colony-stimulating factor in the treatment of oral and genital ulcers. It decreased the healing time and pain of both ulcers in 6 of 7 patients compared with the pretreatment period. The effectiveness of the treatment, however, did not continue during the posttreatment period [32]. In a randomized, controlled, crossover double-blind trial, zinc sulfate treatment decreased the mucocutaneous ulcerations index after the first month of therapy. After shifting to placebo treatment, the clinical index started to increase but remained significantly lower than levels before therapy [3234].

In severe forms of the mucocutaneous ulcerations, additional systemic treatment is required. The following drugs have proven beneficial: Corticosteroids (prednisolone, initial dose 30–60 mg/day p.o. for at least 4 weeks) can be administered as monotherapy or in combination with colchicine (1-2 mg/day p.o.), dapsone (100–150 mg/day p.o.), interferon- (3–12 million IU/3× week s.c.), or azathioprine (initial dose 100 mg/day p.o.). Nonsteroidal anti-inflammatory drugs, like indomethacin (100 mg/day p.o. over 3 months) can be effective on the mucocutaneous lesions. Pentoxifylline (300 mg 1–3×/day p.o.) and oxypentifylline (400 mg 3×/day p.o.) treatment for 1 month induced a remission of oral ulcers. Pentoxifylline decreases superoxide production by neutrophils. High dosage of oral or pulse intravenous steroids may be indicated for large and refractory mouth ulcers larger than 10 mm or when the oropharynx is compromised. Severe mucocutaneous disease and arthritis may be treated with systemic corticosteroids in combination with azathioprine [3539].

Colchicine (0.5–2 mg/day p.o.) can be used as a second-line alternative treatment. A recent randomized double-blind and placebo-controlled study has shown that colchicine reduces the occurence of genital ulcers among women. Colchicine inhibits the enhanced chemotactic activity of neutophils. Colchicine seldom eliminates oral ulcerations completely, but may reduce to an acceptable level the frequency and severity of oral ulcer [40, 41].

There is little evidence that antibacterials or antivirals are useful in the therapy of mucocutaneous ulcerations.There is some evidence that adjunctive penicillin treatment may enhance the clinical response to colchicine therapy for both orogenital ulcers. It has been proposed, although not proven, that an etiologic relationship exists between streptococcal infection and BD. In an uncontrolled study, benzathine penicillin improved the ulcerative manifestations of disease. Patients with mucocutaneous ulcerations had complete recovery in 5 to 20 days. In a retrospective study, benzathine penicillin had a beneficial effect on oro-genital ulcers. A prospective randomized study compared the efficacy of colchicine with colchicine and benzathine penicillin over 24 months. They reported the effectiveness of benzathine penicillin and colchicine on the mucocutaneous ulcerations, benefits not achieved with colchicine monotherapy. The result of an open study with minocycline treatment for 3 months were reported and it was observed that oro-genital ulcers improved at a rate of %10 to 100 [4245].

Dapsone (100–150 mg/day p.o.) also inhibits the enhanced chemotactic activity of neutrophils and can be used as an alternative drug to colchicine. Quick relapses have been found after discontinuation of dapsone treatment. Intermittant ascorbic acid treatment (vitamin C; 500 mg/day) is advisable to prevent increased methaemoglobin serum levels. Its use is often complicated by haemolytic anemia, even in patients with normal glucose-6-phosphate-dehyrogenase activity [46].

Interferon- has been successfully used in the treatment of BD. Its immunomodulatory effect, ability to augment the decreased activity of the patient’s natural killer cells, capacity to intibit neovascular proliferation, and antiviral activity have been suggested to explain its action in BD. It was shown to markedly inhibit IL-8 synthesis and secretion form endothelial cells. Interferon- -2a treatment at dose of 6 million IU/3× week s.c. for 3 months, is an effective alternative treatment, particularly for management of mucocutaneous ulcerations [47].

Azathiopurine (2.5 mg/kg body weight/day p.o.) has been found to be an effective choice in oral and genital ulcers in a randomized, double-blind and placebo controlled study [48].

Cyclosporin A (3 mg/kg/day p.o.) is capable of markedly ameliorating mucocutaneous ulcers. But, it should be reserved for the most severe patients because of its significant long-term adverse effects [49].

Methotrexat (7.5–20 mg/1× weekly p.o. over 1 month) is able to induce an improvement of a severe mucocutaneous ulcers [50].

Thalidomide (100–300 mg/day orally, optimal dose 100 mg/day in the evening for 8 weeks) has been approved for the treatment of male and sterilised or postmenapausal women with BD. Thalidomide was shown to selectively inhibit TNF- synthesis by monocytes. In a randomized, double-blind placebo-controlled study with 63 BD patients, a remission of oral and genital ulcers was detected in %24 of the patients over 2 months. During the 6-month treatment, %30 of the patients with BD remained free of mucocutaneous ulcerations. Discontinuation of the treatment results in oro-genital ulcers recurrences; therefore, a maintenance treatment with 50 mg/day to 50 mg twice a week is recommended. Thalidomide is often highly effective at reducing the frequency and severity of mucocutaneous ulcerations resistant to colchicine. However, its widespread use is clearly limited teratogenic and neuropathic complications. The risk of developing irreversible peripheral neuropathy is thought to increase in a dose-dependant fashion, and so thalidomide should be recommended at the lowest dose possible to control symptoms, for example, 50 mg daily or 100 mg 3 times a week. Since thalidomide can be sedating, it is best taken at night [5153].

Recent studies of anti-TNF agents such as infliximab (i.v. 0, 2, 4, 8 months), and etanercept (s.c. twice a week) have shown favorable results. Infliximab was also efficacious in extraocular manifestations, such as oral and genital ulcers in the majority of patients in three self-controlled studies. Almoznino et al. described a case of Behçet’s syndrome in a 48-year-old woman whose oral ulcers were resistant to a wide range of topical and systemic treatments and remained unchanged for 7 weeks. Administration of a single dose of infliximab resulted in complete remission and recovery of the mouth aphtae within 7 days. Additional case series and case reports suggested that patients with severe mucocutaneous lesions exhibit rapid and good responses to infliximab administration, mostly using 5 mg/kg or 3 mg/kg. Some patients with orogenital ulcers unresponsive and/or intolerant to conventional treatments remained disease-free for the first time in years. Almost all patients were resistant to conventional treatments, and were treated with infliximab alone or as an add-on therapy. In a double-blind, placebo-controlled study of 40 male patients with BD, Melikoglu et al. reported that etanercept (25 mg twice/week, for 4 weeks) was effective in suppressing most mucocutaneous lesions. The drug had a clear effect on oral ulcers, and the response was evident as early as the first week. Almost half of the patients receiving etanercept were free of oral ulcers at the end of the study compared with 5% of the placebo group. Although, the drug decreased the number of genital ulcers and arthritis episodes during the treatment period, the difference was not significant [54, 55].

Lactobacilli, which have antiinflammatory activity, may be useful in some diseases, particularly in inflammatory bowel disease. In a study aimed at evaluating the efficacy of lactobacilli lozenges in the management of oral ulcers of BD, a significant decrease in the mean number of ulcers was found following treatment, especially among women [56].

5.1.2. Gis Ulcerations

The treatments used for inflammatory bowel disease including sulfasalazine and corticosteroids are also useful for the gastrointestinal lesions of BD. The dose of corticosteroids depends on the severity of lesions. Bowel rest is obligatory in patients with an acute abdomen and bleeding. Surgery is considered for patients with bowel perforation and persistant bleeding. Invasive surgical procedures often result in excessive infiltration of inflammatory cells into the treated tissues, with subsequent anastomotic leakage. To prevent this complication, undetermined doses of corticosteroids are given to the patients for several days after surgery. Even if the operation is successful, repeated operation because of recurrence is required in about half of the patients. There was a suggestion that azathiopurine use was helpful. The rate of reoperation can be lowered by using azathopurine in patients with entero-BD. Intra-arterial steroid injections into the mesenteric arteries were found to be effective in severe entero-BD unresponsive to conventional treatments [57] (Table 3).


Oral ulcers1st line: Topical triamcinolone acetonide, prednisolone, amlexonax, anti-inflammatory rinses, topical anaesthetics
2nd line: Topical sucralfate, aminosalicylic acid, caustic solutions, oral tetracycline solutions, colchicine, levamisole, thalidomide, pulse methyl prednisolone, intralesional trimcinolone acetonide
3rd line: Cyclosporine, azathiopurine, methotrexate, chlorambucil, infliximab, etanercept, plasmapheresis-apheresis, zinc sulphate, penicilline, azithromycin, minocycline, dapsone, pentoxifylline, interferon-α

Genital ulcers 1st line: Topical triamcinolone acetonide, sucralfate, oral colchicine, azathiopurine, dapsone, prednisolone
2nd line: Levamisole, interferon-α, methotrexate, thalidomide, cyclosporine A

Vasculitic ulcerations1st line: Topical bethametasone, oral colchicine, azathiopurine, dapsone, prednisolone
2nd line: Levamisole, dapson, interferon-α, thalidomide, azitromycin, pentoxifylline

Gastrointestinal involvement1st line: Sulfasalazine, corticosteroids
2nd line: Cyclosporine A, azathiopurine, surgery
3rd line: İntraarterial corticosteroids injections

Behçet’s disease is a multisystemic inflammatory disease of unknown etiology which usually occurs as ulcerative manifestations: aphthous stomatitis and genital ulcerations. At the beginning of the disease the diagnosis is uncertain because of various clinical manifestations and a long period up to the full clinical picture manifestation. Since neither the laboratory data nor the histopathological signs are truly pathognomonic in Behçet’s disease, the differential diagnosis depends on a careful evaluation of the medical history and meticulous physical examination to detect concomitant systemic manifestations. Sometimes, some laboratory test may help establish the diagnosis. Subspecialty referral to ophthalmology, rheumatology, neurology, and gastroenterology should be considered when indicated.


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