English Dictionary

actinic keratosis

名詞

(medicine, pathology, dermatology) A potentially precancerous skin lesion, typically on the upper portion of the head, characterized by discolored, thickened or scaly growths of keratin and caused by repeated exposure to ultraviolet light, such as from sunlight or tanning beds.

日本語の意味

紫外線の反復曝露（例えば日光やタンニングベッド）により生じる、前癌性の皮膚病変。通常は頭部上部に発生し、角質の肥厚、変色、または鱗状の成長が特徴となる。

The dermatologist explained that his rough, scaly patch on the scalp was an actinic keratosis and recommended treatment to prevent progression.

皮膚科医は、頭皮にできたザラザラして鱗状のできものが日光角化症であり、進行を防ぐための治療を勧めたと説明した。

意味（1）

(medicine, pathology, dermatology) A potentially precancerous skin lesion, typically on the upper portion of the head, characterized by discolored, thickened or scaly growths of keratin and caused by repeated exposure to ultraviolet light, such as from sunlight or tanning beds.

Approximately 1:1000 actinic keratoses per year will develop into a squamous cell carcinoma (28). Risk factors for the development of actinic keratosis include ease of sunburning and cumulative sun exposure (30).

actinic keratoses （ plural ）