Ectopic extramammary Paget's disease: case report and literature review.

Extramammary Paget's disease that occurs in non-apocrine-bearing regions is referred to as ectopic and has been rarely reported. A 62-year-old man presented with a slowly progressive, asymptomatic light-brown plaque on his back. Histopathological examination revealed the presence of large pale cells with prominent nuclei, which proliferated diffusely and focally in the epidermis.

Kimura's disease presenting with a giant suspensory tumor and associated with membranoproliferative glomerulonephritis.

Kimura's disease is a rare chronic inflammatory disease, which typically occurs in middle-aged Asian men. This benign lymphoproliferative disorder with tissue eosinophilia is clinically characterized by painless subcutaneous swelling or induration, affecting the head and neck region. Here we present a 42-year-old Japanese woman with a giant tumor on the right inguinal region.

Aberrant aquaporin 5 expression in the sweat gland in aquagenic wrinkling of the palms.

Aquagenic wrinkling of the palms (AWP) is an uncommon disease characterized by the rapid and transient formation of edematous whitish plaques on the palms on exposure to water. Although this disease is occasionally accompanied by hyperhidrosis, the pathophysiology of AWP remains unknown. Herein we describe a patient with AWP.