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Entodermoscopy: A New Tool for Diagnosing Skin Infections and Infestations

Autori: Iris Zalaudek, Jason Giacomel, Horacio Cabo, Alessandro Di Stefani, Gerardo Ferrara, Rainer Hofmann-Wellenhof, Joseph Malvehy, Susana Puig, Wilhelm Stolz, Giuseppe Argenziano.

 

 

 

 

Viral warts, mollusca contagiosa, scabies and pediculosis are ubiquitous skin infections or infestations affecting worldwide millions of humans per year. Others, such as tungiasis, cutaneous larva migrans (CLM), tinea nigra or ticks are limited to certain geographic areas.

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30x Dermatoscopy of Neanide (or nymph) in situ. PDF Print E-mail

A third instar stage is showed while it's grasping on child's hair.
They can clearly see abdominal respiratory spiracles and a faecal tail coming out from cloaca.
Young lice's feces have the particularity to be reunited in reddish spheres clusters.
Such a characteristic makes them pathognomonic in comparison to any other exogenous deposit when found stuck to the hair or laying on the scalp surface.

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Clinical and dermoscopic study about Phthirus Pubis on typical and some of its alternative site (oculi and capitis). Entodermoscopy can aid to reveal old and new phatognomonic signes.