Pityriasis versicolor (PV) is a superficial mycosis, theoretically unusual in children. Epidemiologic and clinical data for children with PV over 11 years was collected. Some explanations are given for the conditions that favored this mycotic infection in children. This study confirms that the face is a usual site of PV in children, in contrast to its rarity as a site in adults. Clinical features are variable and similar to adults. Both sexes are equally affected. The family history is often positive for PV.
Summary. The paper reports a case of tinea corporis bullosa in a 63‐year‐old woman. Near the classical annular lesions on the anterior surface of the left leg, the patient presented frank bullous lesions. Serous fluid from the bulla yielded Microsporum canis, the first report of the association of this fungus with bullous lesions in tinea corporis. The patient was investigated with routine examinations and immunological studies which showed an intense inflammatory process much greater than in usual cases of tinea corporis. Zusammenfassung. Die Autoren berichten über einen Fall von Tinea corporis bullosa bei einer 63 Jahre alten Frau. In der Nachbarschaft klassischer ringfiormiger Läsionen an der Vorderfläche des linken Beines zeigte die Patientin freistehende bullöse Läsionen. Aus dem serösen Blaseninhalt wurde Microsporum canis angezüchtet. Es ist dies der erste Bericht über die Assoziation dieses Pilzes mit bullöser Tinea corporis. Die Patientin wurde mit Routinemethoden wie auch immunologisch untersucht, was zur Aufdeckung eines Entzundungsprozesses führte, der weit stärker war, als es sonst bei Tinea corporis beobachtet wird.
Summary. Between 1970 and 1989 we examined 13 019 patients with dermatophytoses in the Milan area, Northern Italy. The results obtained during the 1980–89 period were compared with those obtained in the years 1970–79. From the data collected, tinea corporis emerged as the most frequently observed dermatophytosis, followed by tinea pedis and unguium. As far as dermatophytes are concerned, the dermatological pattern is dominated by Microsporum canis and Trichophyton rubrum. Other species, such as Epidemophyton Joccosum, T. mentagrophytes, M. gypseum, T. violaceum, T. verrucosum, T. tonsurans and T. schoenleinii, have progressively become less evident. Other mycetes, such as T. megninii, T. soudanense, M. langeroni, T. vanbreuseghemii, M. ferrugineum, sporadically isolated in the 1970–79 period, have disappeared in recent years. An analysis of the distribution and frequency of the dermatophytes according to the cutaneous area affected is reported. Zusammenfassung. Zwischen 1970 und 1989 wurden 13 019 Dermatophytose‐Patienten im Raum Mailand, Italien, untersucht. Die Untersu‐chungsergebnisse der Dekade 1980–89 wurden mit denen der Dekade 1970–79 verglichen. Aus den Daten ist ersichtlich, daß Tinea corporis die haufigste Dermatophytose war, gefolgt von Tinea pedis et unguium. Unter den Dermatophyten dominierten Microsporum canis und Trichophyton rubrum. Die übrigen Species wie Epidemophyton floccosum, T. mentagrophytes, M. gypseum, T. violaceum, T. verrucosum, T. tonsurans und T. schoenleinii sind zunehmend seltener geworden. Andere Pilze, die wie T. megninii, T. soudanense, M, langeroni, T. vanbreuseghemii, M. ferrugineurn, in der Dekade 1970–79 sporadisch isoliert worden waren, sind in jüngster Zeit verschwunden. Es wird eine Übersicht über die Verteilung und die Häufigkeit der Der‐hmatophyten bezogen auf die Hautlokalisation vorgestellt.
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