Herpes zoster of abdominal wall

 

Varicella-zoster virus causes two conditions- chicken pox or varicella and shingles or herpes zoster. Varicella is mostly disease of children while shingles is a disease of adults. Shingles is a reactivation of a latent varicella-zoster virus from the dorsal root ganglia affecting a dermatome commoner from T3-L3. It may affect the trigeminal nerve. It is associated with Ramsy Hunt syndrome which is herpes zoster affecting the geniculate ganglion of facial nerve. It is more severe in immunocompromised patients such as those with AIDS and HIV infection.

Symptoms

Rash (skin spots) in a restricted part of the body; low grade fever; severe pain. Severe pain which preceds lesion by 48-72 hours.

Signs

Low grade temperature (37-39oC); maculopapules, vesicle, scabs in restricted part of body which corresponds to a dermatome.

Laboratory

Varicella-zoster DNA detected by PCR; Other immunological tests such as FAMA- fluorescent antibody to membrane antigen.  Demonstration of VZV in tissue culture lines; immunohistochemistry and ELISA.

 

 


Skin explanatory video

Structure of the skin

 

 

 

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