再燃型らい腫に合併した老人性疣贅の一例

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  • A Case Report of Seborrheic Keratosis with an Exacerbated Leproma
  • サイネンガタライシュ ニ ガッペイシタ ロウジンセイ ユウゼイ ノ イチレイ

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The patient was 52 years old male. Even though a long duration of the chemotherapy of leprosy, the skin smear test for the detection of leprosy bacillus never showed negative result anytime. While the exacerbation of leproma occured sometimes over again, a small multiple black tumor appeared in the skin of various position of body i. e. the chest, back, upper arm, abdomen and breech etc. as shown Fig. 2. Especially in the left upper arm a black tumor, which was measured 13×10 mm in size, was largest among the other portion, Then it was removed for the microscopical observation. As the results nature of this tumor was seborrheic keratosis (verruca senilis) without a melanoma or pigment cell nevus. This seborrheic keratosis was presented together with the nodular exacerbated leproma, which showed abundant rod-shaped bacilli and many globi in the star-shaped or spindle-shaped lepra cells. There were not leprous foamy cells and nerve thickening in the dermis. The epidermis in a center of the seborrheic keratosis was very thinn by the pressure of the developing leproma. The epidermis of the center demonstrated macroscopically slight red color and its surroundings was thickening. It was characteristic that minimal lepromas formed in the thickening epidermis.<br>We discussed the correlation between seborrheic keratosis and exacerbated leproma. Although we have considered the possibility that the stimulation of the leproma might be developed the seborreic keratosis, of course we have not clear evidence.

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