Pitted keratolysis and Dermatophilus congolensis

Pitted keratolysis, erythromycin, and hyperhidrosis

“…This microscopic examination was performed routinely by us in all of our patients, confirming the clinical suspect of PK. PK is mainly caused by coryneform bacteria, although other bacteria have also been isolated such as the Kytococcus sedentarius, Actinomyces (8)(9)(10)(11)(12). These Gram-positive organisms produce proteolytic enzymes that digest the keratin, destroying the stratum corneum and creating typical multifocal crateriform pitting and elongated superficial erosions.…”

Pitted keratolysis: clinical manifestations in 53 cases

“…There have been some disputes about the aetiological agent, which was identified as Corynebacterium species in 1967 by Taplin and Zaias. 1 Recently, Micrococcus sedentarius 2 and Dermatophilus congolensis 3,4 have also been reported to be the causative agents. PK is usually asymptomatic 5 in the sense of being painless, 4 although hyperhidrosis is commonly associated with this disease.…”

Zur Dermatophilose des RindesndashDiagnose und Differentialdiagnose unter besonderer Berücksichtigung der Rindertrichophytie*

“…Auch liegen in der Literatur einige Mitteilungen iiber den Nachweis dieses Erregers beim Menschen vor (DEAN et al 1961;KAPLAN 1966;LONDERO et al 1974;KAMINSKY und SUTER 1976). Das klinische Krankheitsbild der Dermatophilose geht beim Menschen nicht nur mit Entstehen von Furunkeln und Pusteln oder einer Follikulitis einher, sondern auch diffuse stedmadelkopf-groRe Keratolysen sind moglich (RUBEL 1972). Den Erkrankungen mit D. congolensis kann auch der Charakter einer Zoonose zukommen.…”