Pyoderma gangrenosum (PG) is a rare inflammatory neutrophilic dermatosis for which accurate epidemiological data are limited and therapy remains a challenge. The primary study’s aim was to examine all cases of PG observed in our department over a 6-year period in order to describe the relevant characteristics and outcome under therapy. Fourteen patients were included (5 women, 9 men). The average age of our patients was 40,15 years. The classical, ulcerative form was found in 10 cases (71.42%), the pustular form in 4 cases (27.57%) and PG was multifocal in 4 cases. The PG was located preferentially to the lower limbs. Histological examination was realized in all patients and objectified inflammatory infiltrate composed of polymorphonuclear neutrophils in all cases with vasculitis in 4 cases. Six patients (42.85%) had associated disease at diagnosis of PG, including inflammatory bowel disease in two cases (14.28%), a blood disease in 2 cases (14.28%), lymph node tuberculosis and inflammatory arthritis in 1 case (7%). The most frequent first-line treatments were oral corticosteroids (7 cases) and other treatments used were colchicine in 2 cases, topical corticosteroids in 3 cases with good clinical evolution. Our study confirms that PG is a rare disease, associated in almost half of cases with systemic disease already present at diagnosis; in our Moroccan background, it is most often inflammatory bowel disease, hematological or solid cancer and tuberculosis.

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We emphasize that although vulval involvement in childhood is uncommon, Crohn's disease must be considered in the differential diagnosis of nontender, red, edematous lesions of the genital area.

Psoriasis is a chronic inflammatory dermatosis, which progresses by relapses-remissions, of a multifactorial etiology which involves genetic, immunological, and environmental factors. Skin lesions are mainly localized in areas of friction: elbows, knees, pre-tibial, lumbosacral regions, scalp, and nails. Although the appearance of the skin lesions is sufficient for a diagnosis, diagnostic difficulties may be found in case of unusual topography. We report a case of a 45-year-old female patient with psoriatic cheilitis with a review of the literature.

Contexte et problématique : Conformément aux mesures prises par le gouvernement marocain face à la crise sanitaire liée au coronavirus, toutes les écoles et les facultés ont fermé leurs locaux. Face à cette situation inédite, les équipes pédagogiques se sont mobilisées pour adapter les méthodes et le calendrier des enseignements, en mettant en place des dispositifs d’enseignement à distance de tous les cours théoriques. Analyse : À partir de cette expérience, nous avons fait l’inventaire des différents défis et contraintes vécus par les enseignants et les apprenants et nous proposons quelques pistes de solutions pour y faire face, dans le contexte d’un pays en développement.