94 Table 1. Uncommon forms of PV: 22 cases CLINICAL ASPECT PV atrophycans PV rubra PV rubra PV areolar and periareolar PV areolar and periareolar Penile PV PV in the groin PV in the groin Perianal PV Perianal PV PV in the buttocks PV in the buttocks Table 2. Uncommon forms of PV Forms that affect almost completely the body surface: 350cases (M 178, F 172) PREVALENT* CLINICAL INVOLVEMENT Back Trunk Face and neck Fig. 2. Typical hyphae and spores of Malassezia (25X - Potassium hydroxide mixed with Blue Parker Ink). From October 2001 to January 2004 Prof. Francesca Mancianti (Department of Animal Pathology, Faculty of Veterinary Me<strong>di</strong>cine, University of Pisa, Italy) identified colonies of the species of Malassezia isolated in 37 patients. All those, affected by extensive, resistant to C. Romano - Uncommon forms of pytiriasis versicolor 180 170 31 *some of the patients were affected in more than one site and we consider prevalent the site with more lesions FOR CLINICAL ASPECTS SEX 2 females 2 females 1 male FOR SITES 2 females 2 males 1 male 2 females 3 males 1 female 2 males 2 females 2 males therapy, and long stan<strong>di</strong>ng (from 1 to 15 years) forms of PV were from Siena. Malassezia globosa was the form most frequently isolated. It was identified in 66.6% (54.5% in pure culture and in 9% associated with Malassezia sympo<strong>di</strong>alis, in 3% with Malassezia furfur). Malassezia sympo<strong>di</strong>alis was identified in 12.1%, Malassezia furfur and restricta in 9% and Malassezia sloffiae in 3%. We will carry out further stu<strong>di</strong>es to demonstrate the prevalent species of Malassezia, isolated for example on acute forms of PV. A prior knowledge about its formes is absolutely important for the right dermatologic <strong>di</strong>agnosis. Normally, these forms are frequently misjudged for other dermatoses, therefore receiving inappropriate long-term treatment. Concerning the other dermatoses related to Malassezia, one of the most inquired is the AD, whereas the role of the mycete has not been completely explained yet. Takahata and coll. suggests that the decrease of the fungal colonies due to antifungal drugs used on the neck and in the head can reduce the gravity of the AD manifestations. Besides, in order to verify if there are significant <strong>di</strong>fferences related to the <strong>di</strong>fferent species of Malassezia present on the skin accor<strong>di</strong>ng to the age, they have assayed the level of anti-Malassezia IgE antibo<strong>di</strong>es in vivo. As said by Takahata, in children with AD the Malassezia restricta was frequently found, while in adults with AD, Malassezia restricta and Malassezia globosa were normally found (3). Further stu<strong>di</strong>es are needed to clarify the role of Malassezia in AD and in DS. References AGE 49,50 36,41 29 33,45 27,47 41 39,43 36,48,50 42 27,30 35,40 37,57 Crowson A.N et al, (2003) Intern J Dermatol, 42: 928-932. Romano C et al (2005) Mycoses, 48: 439-441. Takahata Y et al (2007) Br J Dermatol, 157: 1178-82.
SIMPOSIO 3 AEDES ALBOPICTUS IN ITALIA
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PARASSITOLOGIA A publication of the
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P A R A SSIT O L O GIA Founded in 1
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The individual authors take respons
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Parassitologia 50, 2008 RICORDO DEL
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Parassitologia 50: 9-16, 2008 The c
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eceptor subunits move closer togeth
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Chemokines have several functions a
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tion of the brain. Nature 421:744-8
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adic or imported cases have been ob
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other EU countries, yet the impact
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Fasciola hepatica. II: La fasciolos
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Parassitologia 50: 25-29, 2008 Arte
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Ferry along the Potomac River. The
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for each of these chemical entities
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SIMPOSIO 1 ZOONOSI PROTOZOARIE: TOX
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36 Many children with congenital to
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38 Health promotion (Primary Preven
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40 infants with CT newly synthesise
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42 References Ades AE, Gilbert R, T
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- Page 64 and 65: 60 (Kijlstra et al., 2006). Regardi
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E. Schwarzer et al. - Hemozoin and
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148 geographic distribution in sub-
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150 K.E., Beldjord, C., Nagel, R.L.
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Parassitologia 50, 2008 Angelini P.