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Biomedical subjects

S Bouassida

Publications and source records attributed to S Bouassida.

At least 19 recordsLinked to original sources

[Subacute cutaneous lupus erythematosus in childhood: a case report].

Subacute cutaneous lupus erythematosus is extremely rare in childhood. We report the case of a 7 year-old girl who presented annular erythematous infiltrated lesions on sun exposed areas since the age of 2 months. Histopathologic examination showed orthohyperkeratosis, epidermal atrophy, widespread hydropic degeneration of epidermal basal cell layer, and a dermal lymphohistiocytic infiltrate. The lupus band test was negative. The immunological investigations (antinuclear antibodies) were negative. Treatment with antimalarials, topical steroids and sun protection allowed clearance of the cutaneous lesions. Lesions relapsed after antimalarials discontinuation and sun exposure. Four years later, at the age of 11, the antinuclear antibodies became positive. The diagnosis of subacute cutaneous lupus erythematosus is based on the clinical aspect of lesions, topography, histological finding, evolution and immunological profile of the patient.

Antimalarials↗

[Gingival metastasis in breast phyllodes tumor].

BACKGROUND: The metastasis of oral cavity is rare. We report a gingival metastasis in the course of low grade phyllode sarcoma of the breast which is usually little metastatic. CASE-REPORT: A 44 year old woman was operated two years ago for a phyllod sarcoma of the breast histologically confirmed. She presented for a mandibular exophytic tumour associated with haemorrhagic, necrotic, ulcerated and bulking gingivitis surrounding at the level of the maxillary and mandibular gingiva. The examination revealed multiple nodular lesions of the trunk and the scalp. The histological examination confirmed the diagnosis of cutaneous and gingival metastasis of the phyllod sarcoma of the breast. The evolution was rapidly fatal. DISCUSSION: The gingival metastasis are rare tumours with a bad prognostic. Their diagnosis is based on clinical and histological arguments and must be made different from chronic gingivitis which can be associated.

Adult↗

[Biermer disease disclosed by mucous ulcerations].

Pernicious anemia rarely induces mucous membranes lesions, wich, exceptionally reveal the disease. We report a case of a 64-year-old man who presented a clinical history of recurrent painful ulcerations of the buccal, genital and ocular muosa. He also had peripheral sensory nerve impairement of the legs. The diagnosis of pernicious anemia was made after a 19 year course. Cobalamin supplementation induced an improvement of the mucous membrane lesions and of the anemia, but recurence occurred each time the treatment was stopped. Our observation is particular by the multiple mucous membrane involvement revealing pernicious anemia and by the ocular lesions which had never been previously reported.

Anemia, Pernicious↗

[Profile of basal cell carcinomas of the scalp after radiotherapy for tinea capitis (about 63 cases)].

The induction of basal cell carcinoma (BCC) of the scalp by X-ray therapy for tinea capitis is well known. The aim of the study was to specify the epidemiological, clinical and histological characteristics of this disease. In a retrospective study, we collected data from the files of 63 patients, with a history of radiotherapy for tinea capitis, followed between January 1995 and December 2004. Fifty one men and 12 women with a total of 108 BCC of the scalp are reported (1.76 lesion per patient and 1.13 cm on average of diameter). The mean age at the occurrence of the BCC was 45.5 years. Thirty seven percent of BCC occurred on the occipital area; 28.7% were in the parietal site. The most frequent clinical aspect was the nodular BCC (51%) and the cicatricial BCC (35%). Histological study showed a nodular aspect in 74 % and pigmentation in 62% of cases. It is concluded that BCC of the scalp following X-ray therapy for tinea capitis have some clinical and histological particularities. It represents the most frequent tumour developing on irradiated scalp.

Adult↗

Erysipelas after breast cancer treatment (26 cases).

Erysipelas is a bacterial hypodermal cellulitis usually associated with Streptococcal infection. Erysipelas of the upper limbs in women treated for breast cancer is relatively rare. We undertook a 10-year retrospective study identifying 26 cases of erysipelas of the upper limb following treatment for breast cancer; we describe the clinical, therapeutic, and evolutionary aspects. The age of our patients ranged from 37 to 80 years with a mean age of 53. All patients had a breast surgery and lymphadenectomy. Fifteen patients had chemotherapy and 23 had radiotherapy. The erysipelas appeared with an average of 5.23 years after cancer treatment (3 months to 15 years) and was recurrent in nine cases. Lymphedema occurred in eighteen patients. The first signs were fever and shivering in 25 patients. The clinical aspect was an inflammatory plaque. The physical findings of erysipelas included a raised edge (6 cases), blisters (1 case), purpura (1 case), and cellulitis (1 case). The portal of entry was not found in eleven patients. The upper limb was affected in all cases. Involvement of the axillary folds or the chest was observed in eight cases. Treatment with penicillin was undertaken for all patients; the length of treatment varied from 11 to 26 days. Lympadenectomy and radiotherapy in breast cancer may lead to lymphedema, which can be evident or sometimes discrete. Those patients who developed erysipelas in our series usually fared well with treatment, but many had recurrences attributed to persistent lymphedema. It was also of note that for many patients in this series, the portal of entry was not identified.

Adult↗

[Radiotherapy-induced pemphigus: a case report].

A 61-year-old male patient suffering from squamous cell carcinoma of the lower lip developed pemphigus vulgaris two months after exposure to radiotherapy. Skin lesions were initially localised to the face and neck and later extended over other skin areas. The eruption are improved with glucosteroid therapy, which were stopped after six months. Pemphigus induced by radiotherapy is rare, latency before the onset of the vesiculobullous eruption is variable. Clinical, histological and immunological characteristics are similar to those of other types of pemphigus.

Adrenal Cortex Hormones↗

[Glucantime injection: benefit versus toxicity].

UNLABELLED: Glucantime is the most common stibied derivative used to treat cutaneous leishmaniasis (CL) in Tunisia; however adverse effects have been reported. OBJECTIVES: This retrospective study deals with the various adverse of intramuscular glucantime used for CL. RESULTS: Nineteen patients (21%) receiving intramuscular Glucantime developed adverse effects. 8 male and 11 female patients, mean age 45, ranging from 8 to 84 years were affected. adverse effects were: fever (3), arthralgia and myalgia (4), nausea and vomiting (2), erythema nodosum (1), acute renal failure (3 including 1 lethal case), hepatic cytolysis (1), skin rash (4), and inflammation of the injection site (1). CONCLUSION: Adverse effects of intramuscular Glucantime were relatively frequent in our series. Arthralgia, myalgia, and skin rash were not severe and disappeared when the treatment was stopped. Stibiointoxication cases, mainly acute renal failure, were serious.

Aged↗

Identification of Malassezia species from Tunisian patients with pityriasis versicolor and normal subjects.

BACKGROUND: The genus Malassezia (Pityrosporum), recognized as a member of microbiological flora of the skin in humans and warm-blooded animals, has been recently revised to include 10 Malassezia species. The aim of the study was the isolation, identification and analysis of Malassezia species distribution in skin of healthy volunteers and lesions of pityriasis versicolor (PV). MATERIAL AND METHODS: Specimens were taken from 100 patients with PV and 30 healthy volunteers. Cultures were made in modified Dixon agar medium and the isolates were identified by morphological and physiological methods: macroscopy, microscopy, catalase, beta-glucosidase and lipid assimilation tests. RESULTS: Malassezia globosa was the predominant species in lesional skin of PV (65%). It was isolated alone in 47% of cases and associated in 18% with M. furfur (13%) or M. sympodialis (5%). In healthy skin M. globosa was found alone in 7.77% and associated in 15.54%, respectively, with M. furfur (4.44%), M. sympodialis (4.44%), M. restricta (3.33%) and M. slooffiae (1.11%). CONCLUSION: From these findings it was suggested that M. globosa presents the main species implicated in the pathogenicity of PV and M. furfur as the second agent of importance.

Adolescent↗

[The cutaneous leishmaniasis of the face in Gafsa area, Tunisia].

The cutaneous leishmaniasis is a frequent affection in Tunisia. In the Gafsa region it is a endemoepidemic infection. Our prospective study was carried out on 225 cases of cutaneous leishmaniasis of the face collected over two years in the outpatients' department of dermatology at Gafsa hospital. The aim of our study was to know more about the evolutive epidemio-clinical particularities of the cutaneous leishmaniasis of the face. The relative frequency of the cutaneous leishmaniasis of the face for the new patients reached 5%. An equal distribution between the two sexes was noted. The average age of our patients was 24 years old and 6 months old with extremes ranging from 3 months to 77 years. The nodular and ulcerated forms were the most frequent (35.3%), followed by impetiginoid forms (23%), then the lupoid forms (15%). The papular form was quite frequent (13%). Impetiginoid lesions occurred frequently in the child. Lupoid lesions appeared particularly on the nose. The complicated forms: the cutaneuos necrosis or erysipelas of the face appeared after intralesional injections of meglumine antimoniate (Glucantime). The intramuscular meglumine antimoniate was used in 172 patients, among them 47 needed two treatments or more because of a particular resistance of the lesions of the face. The pimple of Gafsa, term initially used for ulcerated skin nodules, was actually characterised by a lesional polymorphism. The prognosis was good however the risk of in aesthetic scar of the face was important.

Adolescent↗

[Squamous cell carcinoma complicating an hereditary epidermolysis bullosa].

The dystrophic form of hereditary epidermolysis bullosa is associated with an increased frequency of squamous cell carcinoma. We report a new case. An 18-year-old patient, carrying a Hallopeau Siemens hereditary epidermolysis bullosa, presented a subcutaneous nodular lesion, for 1 year that ulcerated and budded with inguinal lymphadenopathy. The histological study led to the conclusion of a well differentiated squamous cell carcinoma. The patient was treated surgically. Tumor and metastatic lymph nodes were excised. A radiotherapy was decided but the postoperative course was fatal due to an infection and to a deterioration of her general condition. Squamous cell carcinoma frequently occurs on the cicatricial lesion of hereditary epidermolysis bullosa and usually affects males with recessive hereditary epidermolysis bullosa. Metastases are frequent, precocious and multiple. The treatment may be surgical. The particularities of our observation are the young age of patient and the localization.

Adolescent↗

[Basal cell carcinoma of the scalp after radiation therapy for tinea capitis: 33 patients].

Occurrence of basal cell carcinoma (BCC) following radiotherapy for tinea capitis is well known. The aim of this study was to specify the clinical and histological features of these BCC seen in 33 patients (1995-2000). Twenty seven men and six women were diagnosed with BCC. The age of onset varied between 32 an 62 years. Radiotherapy was received between 5 and 17 years of age. The interval between irradiation and the onset of carcinoma varied between 21 and 51 years. Total number of lesions was 55. Forty percent of BCC occurred on the occipital area, the number varied from 1 to 5 and the size from 2 to 45 mm. Clinically, the nodular type was found in 51% of cases. Pigment was present in 64% of cases. Histological study showed a nodular aspect in 76% and pigmentation in 63% of cases. Nodular and pigmented type were the predominant BCC occurring after radiotherapy for tinea capitis in our series. In the literature, BCC are the most frequent carcinomas occurring after radiotherapy (70-100%). Pigmentation was not described in other series. The nodular histological form was the most frequent.

Adult↗

Favus due to Trichophyton mentagrophytes var. quinckeanum.

A case of inflammatory tinea capitis caused by Trichophyton mentagrophytes var. quinckeanum in a 3-year-old Tunisian girl is presented. The disease healed after treatment with griseofulvin for 6 weeks and topical application of econazole.

Child, Preschool↗

[Pemphigoid gestationis: a study of 15 cases].

INTRODUCTION: Pemphigoid gestationis is a rare subepidermal bullous dermatosis generally occurring during the 2(nd) or 3(rd) quarter of gestation or in the postpartum period in women who already have been pregnant. OBJECTIVE: The aim of this work is to draw a profile of the epidemiology, clinical aspects, treatment and evolution of the disease by studying hospital series. METHODS: In this retrospective study, 15 cases of pemphigoid gestationis confirmed by direct immunofluorescence, followed in the department of dermatology between 1983 and 1999, were included. RESULTS: The age of onset was 19 to 39 years (mean age: 30 years). In 73% of cases, pemphigoid gestationis occurred in women who had already been pregnant, and appeared during the last 3 months of gestation in 11 patients. In all cases, purities was the first symptom, followed by a erythematous maculopapular eruption. In the steady state of the disease, all patients had annular confluent erythematous papules with herpes, like vesicles predominant in the umbilicus. The diagnosis of pemphigoid gestationis was confirmed by direct immunofluorescence in all cases demonstrated linear staining of C3 at the basement membrane zone. Systemic corticosteroids (0.5-1mg/kg/day) were used in 54% of reported cases. Dapsone was efficient in 26% of patients. 20% of patients were treated with oral antihistamine and topical glucocorticoid. Recurrence occurred in postpartum in 53,3% of patients. Two patients had recurrence during the following pregnancies. CONCLUSION: PG remains a rare dermatitis of pregnancy. Our series is comparable to the literature: the late occurrence of PG during the course of pregnancy, the high frequency of multigravida women, the lack involvement in the newborn, however with some particularities: the frequent involvement of the face and the efficiency of dapsone.

Adrenal Cortex Hormones↗

[Pseudoxanthoma elasticum: 11 cases].

INTRODUCTION: Pseudoxanthoma elasticum is a congenital dystrophy of the connective tissue. Its clinical expression is cutaneous, ocular and cardiovascular. PATIENTS AND METHODS: The aim of our study was to specify the principle characteristics of this disease and to discuss the interest of various supplementary examinations in its diagnosis and control in a series of 11 patients. RESULTS: The study included 9 women and 2 men (sex ratio: 4.5). The mean age the onset of the symptoms was of 18 years. In 4 cases there was a family history of the disease. All the patients exhibited yellowish, pigskin, and papular lesions on the sides of the neck. The systematic ophthalmologic examination revealed angioid streaks in 7 cases and a pigskin aspect in 4 cases. The systematic cardiovascular and metabolic explorations revealed no abnormalities specific to pseudoxanthoma elasticum. Two cases of asymptomatic nephrocalcinosis were observed. DISCUSSION: In our patients, the disease was probably of autosomal recessive transmission. The predominance of women consulting for the disease would be explained by the esthetic damage. Diagnosis of pseudoxanthoma elasticum is based on clinical, histological and genetic criteria. Supplementary explorations are useful to confirm the diagnosis and also for the search to other, visceral, localizations. Such examinations vary depending on the teams, means and above all the evocative signs.

Adolescent↗