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In this section we have Logan's cases since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.

Dermatitis, irritant contact


Operations Pathhub

Case 2749  19.1.21 (U. Sundram)  F 52 white patch side of tongue 

Psoriasiform epidermal hyperplasia, physiological parakeratosis, with slight pallor upper epidermis.  PAS negative. 

White patch side of tongue after holding anti-nicotine gum against it. 

 

Case 2758 1.2.21 (R. Logan)  F 22 sore dry rash legs 

Irritant reaction to benzalkonium chloride.  Hyperkeratosis only.  In literature as “granular parakeratosis”. 


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