Pityriasis alba - 白色粃糠疹
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ドイツの2022年Stiftung Warentestの結果では、ModelDermに対する消費者満足度は有料の遠隔医療相談よりもわずかに低いだけでした。
ドイツの2022年Stiftung Warentestの結果では、ModelDermに対する消費者満足度は有料の遠隔医療相談よりもわずかに低いだけでした。
relevance score : -100.0%
ReferencesPityriasis alba は、主に子供や十代の若者に見られる一般的で無害な皮膚疾患です。多くの場合、アトピー性皮膚炎の軽度の症状として現れ、ほとんどの患者でアレルギーと関連しています。Pityriasis alba は、皮膚に明るい色の斑点として出現し、円形または楕円形で、場合によっては軽い鱗屑やかゆみを伴います。これらの斑点は顔（特に頬）、腕、上半身に多く見られ、肌の色が濃い人ほど目立ちます。最初は斑点がやや赤みを帯びることがありますが、時間とともに色が薄くなります。日光に当たるとさらに目立つことがあり、患者や保護者が不安になることがありますが、Pityriasis alba は通常自然に消失し、皮膚は元の色に戻ります。回復まで数か月から数年かかることがありますが、ほとんどの場合は1 年以内に改善します。治療は刺激の少ないクリームやローションを使用し、重篤な状態ではないことを患者やご家族に説明して安心させることが重要です。
Pityriasis alba is a prevalent and benign dermatological condition predominantly affecting children and adolescents. The name pityriasis alba derives from its appearance, where pityriasis denotes the fine scales and alba signifies the pale color (hyperpigmentation). This skin disorder is often considered a minor manifestation of atopic dermatitis and is typically associated with a history of atopy in most individuals. Pityriasis alba is characterized by ill-defined macules and patches (or thin plaques), generally circular or oval, often with mild scaling and occasional pruritus (Macules or Patches Observed in Pityriasis Alba). The lesions are usually found on the face, especially the cheeks, arms, and upper trunk, and are more prominent in individuals with darker skin types. Initially, the lesions may exhibit mild erythema and gradually transition to a hypopigmented state over time. Sun exposure can accentuate the appearance of these lesions, which may often raise concerns regarding their cosmetic impact on patients or parents of children. However, pityriasis alba follows a spontaneous, self-resolving course, gradually restoring normal skin pigmentation. The resolution period for pityriasis alba varies from several months to a few years, although most cases typically resolve within 1 year. Treatment for this condition involves reassurance, low-potency topical corticosteroids, and mild emollients as the mainstay.
Pityriasis alba is a prevalent and benign dermatological condition predominantly affecting children and adolescents. The name pityriasis alba derives from its appearance, where pityriasis denotes the fine scales and alba signifies the pale color (hyperpigmentation). This skin disorder is often considered a minor manifestation of atopic dermatitis and is typically associated with a history of atopy in most individuals. Pityriasis alba is characterized by ill-defined macules and patches (or thin plaques), generally circular or oval, often with mild scaling and occasional pruritus (Macules or Patches Observed in Pityriasis Alba). The lesions are usually found on the face, especially the cheeks, arms, and upper trunk, and are more prominent in individuals with darker skin types. Initially, the lesions may exhibit mild erythema and gradually transition to a hypopigmented state over time. Sun exposure can accentuate the appearance of these lesions, which may often raise concerns regarding their cosmetic impact on patients or parents of children. However, pityriasis alba follows a spontaneous, self-resolving course, gradually restoring normal skin pigmentation. The resolution period for pityriasis alba varies from several months to a few years, although most cases typically resolve within 1 year. Treatment for this condition involves reassurance, low-potency topical corticosteroids, and mild emollients as the mainstay.
プライマリケアでは、色素沈着に関する問題がよく見られます。代表的なものとして、post‑inflammatory hyperpigmentation（炎症後色素沈着）、melasma（肝斑）、sun spots（日光斑）、freckles（そばかす）、café au lait spots（カフェオレ斑）があります。
In primary care, pigmentation problems are often found. These include post-inflammatory hyperpigmentation, melasma, sun spots, freckles, café au lait spots.
In primary care, pigmentation problems are often found. These include post-inflammatory hyperpigmentation, melasma, sun spots, freckles, café au lait spots.
治療は必要ありません。時間の経過とともに自然に改善します。ステロイドクリームは、1〜2週間の短期間使用してみることができます。
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