Pityriasis Amiantacea: A Report of 10 Cases

Psoriasis vulgaris with fibrokeratoma from pityriasis amiantacea

“…Pityriasis amiantacea can be associated with psoriasis vulgaris (PsV) 3 . We examined a patient with pityriasis amiantacea caused by PsV who also had keratotic horns on the scalp, histopathologically fibrokeratomas.…”

A Research on Clinic and Ethiopathological Factors in Pityriasis Amiantacea

“…Daha önceki çalışmalarda da bulunduğu gibi çalışmamızda kadın hastaların ağırlıkta (%72,3) olduğu gözlenmiştir (3,5,15). İnflamas-yon nedeniyle skatrisyel olmayan alopesi olabildiği gibi, uzamış olgularda skatrisyel alopesi gelişebileceği de bildirilmiştir (3).…”

Pityriasis amiantacea: a clinical and etiopathologic study of 85 patients

“…The cause of PA has puzzled dermatologists for decades and some attempts have been made to reveal a definitive etiology 1,3,5,6,10 . However these attempts were limited in number, conducted on a smaller number of patients, 2,6,7,9–12 or not inclusive of microbiological and histopathological examinations 1,10 .…”

“…An important consideration in the diagnosis of PA is to rule out the possibility of tinea capitis, which may have therapeutic implications. Although some studies have failed to culture a causative dermatophyte, 1,9,10 Keipert 10 suggested the possibility of an unknown form of tinea capitis causing this disease. Moreover, yeast was demonstrated in early studies 8,14 .…”

“…Furthermore, Staphylococcus aureus was isolated from four of 71 cases of PA 1 . On the other hand, other reports failed to isolate fungus from PA 1,9,10 . The importance of recognizing the underlying etiology may have a therapeutic implication.…”