Pityriasis albahttps://en.wikipedia.org/wiki/Pityriasis_alba
Pityriasis alba ni ugonjwa wa ngozi, aina ya ugonjwa wa ngozi, unaoonekana kwa kawaida kwa watoto na vijana kama mabaka makavu, yenye mizani nyembamba na yaliyopauka usoni. Vidonda ni vya mviringo au mviringo vilivyoinuliwa au bapa, vya ukubwa wa sm 0.5-2 ingawa vinaweza kuwa vikubwa iwapo vitatokea kwenye mwili (hadi 4 cm). Idadi ya vidonda kawaida ni 4-5. Maeneo yaliyoathirika ni kavu na mizani nzuri sana. Mara nyingi hutokea kwenye mashavu.

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      References Pityriasis Alba 28613715 
      NIH
      Pityriasis alba ni hali ya ngozi ya kawaida na isiyo na madhara ambayo huathiri zaidi watoto na vijana. Mara nyingi huonekana kama sehemu ndogo ya dermatitis ya atopiki na inahusishwa na mizio kwa watu wengi. Pityriasis alba huonekana kama mabaka ya rangi nyepesi kwenye ngozi, kwa kawaida kwenye miduara au mviringo, wakati mwingine ikiwa na mikunjo na kuwasha. Madoa haya mara nyingi hupatikana kwenye uso, haswa mashavu, mikono na sehemu ya juu ya mwili, na huonekana zaidi kwa watu walio na ngozi nyeusi. Mara ya kwanza, mabaka yanaweza kuwa nyekundu kidogo lakini kisha kufifia hadi rangi nyepesi baada ya muda. Kuangaziwa na jua kunaweza kuzifanya zionekane wazi zaidi, jambo ambalo linaweza kuwatia wasiwasi wagonjwa au wazazi, lakini pityriasis alba kwa kawaida huisha yenyewe, na hivyo kurejesha rangi ya kawaida ya ngozi. Inaweza kuchukua mahali popote kutoka miezi michache hadi miaka michache kwa hili kutokea, ingawa kesi nyingi huisha ndani ya mwaka mmoja. Matibabu kwa kawaida huhusisha kutumia krimu na losheni zisizokolea, pamoja na kuwahakikishia wagonjwa au wazazi kwamba si jambo zito.
      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.
       Pigmentation Disorders: Diagnosis and Management 29431372
      Katika huduma ya msingi, matatizo ya rangi ya rangi hupatikana mara nyingi. Hizi ni pamoja na 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.