The Histopathological Analysis of 77 Cases of Prurigo Multiformis Chronica Lutz

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  • 多形慢性痒疹77例の病理組織学的検討
  • タケイ マンセイヨウシン77レイ ノ ビョウリ ソシキガクテキ ケントウ

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We examined 77 HE stained biopsy specimens of prurigo chronica multiformis Lutz histopathologically. Prurigo chronica multiformis Lutz is characterized as a chronic lesion of unknown origin and is characterized by the complex of erythema, wheal, papules, nodules, lichenification, and scratched scars chiefly on the side of the trunk, buttocks, thighs, and upper arms with severe itching, and favors middle-aged and elderly men. The histopathological diagnoses of the 77 cases were as follows: 52 cases of arthropod reaction, 15 cases of urticarial reaction, 6 cases of spongiotic dermatitis, and 1 case each of interface dermatitis-vacuolar type, lichen simplex chronicus, pseudolymphoma and superficial type of scar. We concluded that arthropod reaction is the most common histopathological finding of prurigo chronica multiformis Lutz.

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