Keloid
https://en.wikipedia.org/wiki/Keloid
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References
Keloid 29939676 NIH
Keloids huunda kutokana na uponyaji usio wa kawaida baada ya kuumia kwa ngozi au kuvimba. Sababu za kijeni na kimazingira huchangia ukuaji wao, huku viwango vya juu zaidi vya watu wenye ngozi nyeusi wa asili ya Kiafrika, Asia, na Rico. Keloidi hutokea wakati fibroblasts zinapofanya kazi kupita kiasi, huzalisha collagen nyingi na sababu za ukuaji. Hii husababisha kuundwa kwa vifurushi vikubwa vya kolajeni visivyo vya kawaida vinavyojulikana kama keloidal collagen, pamoja na ongezeko la nyuzinyuzi. Kliniki, keloidi huonekana kama vinundu thabiti, vya mpira katika maeneo yaliyojeruhiwa hapo awali. Tofauti na makovu ya kawaida, keloidi huenea zaidi ya tovuti ya asili ya kiwewe. Wagonjwa wanaweza kupata maumivu, kuwasha, au kuchoma. Matibabu mbalimbali yanapatikana, ikiwa ni pamoja na sindano za steroid, cryotherapy, upasuaji, radiotherapy, na laser therapy.
Keloids result from abnormal wound healing in response to skin trauma or inflammation. Keloid development rests on genetic and environmental factors. Higher incidences are seen in darker skinned individuals of African, Asian, and Hispanic descent. Overactive fibroblasts producing high amounts of collagen and growth factors are implicated in the pathogenesis of keloids. As a result, classic histologic findings demonstrate large, abnormal, hyalinized bundles of collagen referred to as keloidal collagen and numerous fibroblasts. Keloids present clinically as firm, rubbery nodules in an area of prior injury to the skin. In contrast to normal or hypertrophic scars, keloidal tissue extends beyond the initial site of trauma. Patients may complain of pain, itching, or burning. Multiple treatment modalities exist although none are uniformly successful. The most common treatments include intralesional or topical steroids, cryotherapy, surgical excision, radiotherapy, and laser therapy.
Keloid treatments: an evidence-based systematic review of recent advances 36918908 NIH
Utafiti wa sasa unapendekeza kuwa jeli ya silikoni au karatasi pamoja na sindano za corticosteroid ndiyo matibabu ya awali yanayopendekezwa kwa keloidi. Matibabu ya ziada kama vile intralesional 5-fluorouracil (5-FU) , bleomycin, au verapamil pia yanaweza kuzingatiwa, ingawa ufanisi wake unatofautiana. Tiba ya laser, inapojumuishwa na sindano za corticosteroid au steroids za ndani chini ya uzuiaji, inaweza kuongeza kupenya kwa dawa. Kwa keloidi zilizokaidi, kuondolewa kwa upasuaji na kufuatiwa na tiba ya mionzi ya papo hapo imeonyesha kuwa ya ufanisi. Hatimaye, kutumia karatasi ya silikoni na tiba ya shinikizo imethibitishwa kupunguza uwezekano wa keloid kujirudia.
Current literature supports silicone gel or sheeting with corticosteroid injections as first-line therapy for keloids. Adjuvant intralesional 5-fluorouracil (5-FU), bleomycin, or verapamil can be considered, although mixed results have been reported with each. Laser therapy can be used in combination with intralesional corticosteroids or topical steroids with occlusion to improve drug penetration. Excision of keloids with immediate post-excision radiation therapy is an effective option for recalcitrant lesions. Finally, silicone sheeting and pressure therapy have evidence for reducing keloid recurrence.
Keloids: a review of therapeutic management 32905614 NIH
Kwa sasa, hakuna matibabu ya ukubwa mmoja ambayo yanahakikisha kiwango cha chini cha kujirudia kwa keloidi. Hata hivyo, chaguzi zinazokua, kama vile kutumia leza kando ya steroids au kuchanganya 5-fluorouracil na steroids, zinathibitisha. Utafiti wa siku zijazo unaweza kuzingatia jinsi matibabu mapya, kama vile kupandikizwa kwa mafuta ya kiotomatiki au matibabu ya msingi wa seli, hufanya kazi katika kudhibiti keloidi.
There continues to be no gold standard of treatment that provides a consistently low recurrence rate; however the increasing number of available treatments and synergistic combinations of these treatments (i.e., laser-based devices in combination with intralesional steroids, or 5-fluorouracil in combination with steroid therapy) is showing favorable results. Future studies could target the efficacy of novel treatment modalities (i.e., autologous fat grafting or stem cell-based therapies) for keloid management.
Scar Revision 31194458 NIH
Makovu ni sehemu ya kawaida ya mchakato wa uponyaji baada ya majeraha ya ngozi. Kwa hakika, makovu yanapaswa kuwa gorofa, nyembamba, na kufanana na rangi ya ngozi. Sababu nyingi zinaweza kusababisha uponyaji mbaya wa jeraha, kama vile maambukizi, kupungua kwa mtiririko wa damu, ischemia, na kiwewe. Makovu ambayo ni mazito, meusi zaidi kuliko ngozi inayoizunguka, au yanayosinyaa kupita kiasi yanaweza kusababisha matatizo muhimu katika utendaji wa kimwili na afya ya kihisia.
Scars are a natural and normal part of healing following an injury to the integumentary system. Ideally, scars should be flat, narrow, and color-matched. Several factors can contribute to poor wound healing. These include but are not limited to infection, poor blood flow, ischemia, and trauma. Proliferative, hyperpigmented, or contracted scars can cause serious problems with both function and emotional well-being.
Kovu za Keloid huonekana mara nyingi zaidi kwa watu wa asili ya Kiafrika, Asia, au Kihispania. Watu kati ya umri wa miaka 10 na 30 wana tabia ya juu ya kuendeleza keloid kuliko wazee.
Ingawa kwa kawaida hutokea kwenye tovuti ya jeraha, keloid pia inaweza kujitokeza yenyewe. Wanaweza kutokea kwenye tovuti ya kutoboa na hata kutoka kwa kitu rahisi kama pimple au mwanzo. Wanaweza kutokea kama matokeo ya chunusi kali au kovu la tetekuwanga, kuambukizwa kwenye tovuti ya jeraha, majeraha ya mara kwa mara kwa eneo, mvutano mwingi wa ngozi wakati wa kufungwa kwa jeraha au mwili wa kigeni kwenye jeraha.
Kovu za Keloid zinaweza kutokea baada ya upasuaji. Hutokea zaidi katika baadhi ya tovuti, kama vile kifua cha kati (kutoka sternotomia), mgongo na mabega (kawaida hutokana na chunusi), na sehemu za masikio (kutokana na kutoboa masikio). Wanaweza pia kutokea kwa kutoboa mwili. Matangazo ya kawaida ni earlobes, mikono, eneo la pelvic, na juu ya mfupa wa kola.
Matibabu yanayopatikana ni tiba ya shinikizo, karatasi ya gel ya silikoni, acetonide ya triamcinolone ya ndani ya vidonda, upasuaji wa kufyatua, mionzi, tiba ya leza, Interferon, 5-FU na ukataji wa upasuaji.
○ Matibabu
Makovu ya hypertrophic yanaweza kuboreka kwa sindano 5 hadi 10 za intralesional steroid muda wa mwezi 1.
#Triamcinolone intralesional injection
Tiba ya laser inaweza kujaribiwa kwa erithema inayohusishwa na kovu, lakini sindano za triamcinilone zinaweza pia kuboresha erithema kwa kubana kovu.
#Dye laser (e.g. V-beam)