Malignant melanoma - Melanoma Buburuhttps://en.wikipedia.org/wiki/Melanoma
Melanoma Buburu (Malignant melanoma) jẹ iru akàn awọ ara ti o ndagba lati inu awọn sẹẹli ti n ṣe awo awọ ti a mọ si melanocytes. Ninu awọn obinrin, wọn maa n waye lori awọn ẹsẹ, lakoko ti awọn ọkunrin, wọn maa n waye ni ẹhin. O fẹrẹ to 25% ti melanoma dagbasoke lati nevus. Awọn iyipada ninu nevi ti o le ṣe afihan melanoma pẹlu ilosoke ninu iwọn, awọn egbegbe alaibamu, iyipada ninu awọ, tabi ọgbẹ.

Idi akọkọ ti melanoma jẹ ifihan ina ultraviolet ninu awọn ti o ni awọn ipele kekere ti melanin pigment awọ (olugbe funfun). Ina UV le jẹ lati oorun tabi awọn ẹrọ soradi. Awọn ti o ni ọpọlọpọ nevus, itan-akọọlẹ melanoma ti awọn ọmọ ẹgbẹ ẹbi, ati iṣẹ ajẹsara ti ko dara wa ni ewu nla ni melanoma.

Lilo iboju-oorun ati yago fun ina UV le ṣe idiwọ melanoma. Itọju jẹ igbagbogbo yiyọ kuro nipasẹ iṣẹ abẹ. Ninu awọn ti o ni awọn alakan ti o tobi diẹ sii, awọn apa ọmu-ara ti o wa nitosi le ni idanwo fun itankale (metastasis). Pupọ eniyan ni a mu larada ti metastasis ko ba waye. Fun awọn ti melanoma ti tan kaakiri, imunotherapy, itọju ailera isedale, itọju itanjẹ, tabi chemotherapy le mu iwalaaye dara si. Pẹlu itọju, awọn oṣuwọn iwalaaye ọdun marun ni Ilu Amẹrika jẹ 99% laarin awọn ti o ni arun agbegbe, 65% nigbati arun na ti tan si awọn apa-ọpa, ati 25% laarin awọn ti o ni itankale jijinna.

Melanoma jẹ iru alakan awọ ti o lewu julọ. Australia ati Ilu Niu silandii ni awọn oṣuwọn melanoma ti o ga julọ ni agbaye. Awọn oṣuwọn giga ti melanoma tun waye ni Ariwa Yuroopu ati Ariwa America. Melanoma waye diẹ sii ni Asia, Afirika, ati Latin America. Ni Orilẹ Amẹrika, melanoma waye nipa awọn akoko 1.6 diẹ sii nigbagbogbo ninu awọn ọkunrin ju awọn obinrin lọ.

Ami ati awọn aami aisan
Awọn ami ibẹrẹ ti melanoma jẹ awọn iyipada si apẹrẹ tabi awọ ti nevus ti o wa tẹlẹ. Ninu ọran ti melanoma nodular, o jẹ ifarahan ti odidi tuntun lori awọ ara. Ni awọn ipele nigbamii ti melanoma, nevi le yun, ọgbẹ, tabi ẹjẹ.

[A-Asymmetry] Asymmetry ti apẹrẹ
[B-Borders] Aala (aiṣedeede pẹlu awọn egbegbe ati awọn igun)
[C-Color] Awọ (orisirisi ati alaibamu)
[D-Diameter] Opin (tobi ju 6 mm = 0.24 inch = nipa iwọn ti eraser ikọwe)
[E-Evolving] Dagba lori akoko

cf) Seborrheic keratosis le pade diẹ ninu awọn tabi gbogbo awọn ilana ABCD, ati pe o le ja si awọn itaniji eke.

Metastasis ti melanoma tete ṣee ṣe, ṣugbọn o ṣọwọn pupọ; kere ju idamarun ti melanomas ti a ṣe ayẹwo ni kutukutu di metastatic. Awọn metastases ọpọlọ jẹ wọpọ ni awọn alaisan ti o ni melanoma metastatic. Metastatic melanoma tun le tan si ẹdọ, awọn egungun, ikun, tabi awọn apa ti o jinna.

Ayẹwo aisan
Wiwo agbegbe ti o wa ni ibeere jẹ ọna ti o wọpọ julọ ti ifura kan melanoma. Nevus ti ko ṣe deede ni awọ tabi apẹrẹ ni a ṣe itọju nigbagbogbo bi awọn oludije ti melanoma.
Awọn oniwosan ṣe ayẹwo gbogbo awọn moles, pẹlu eyiti o kere ju milimita 6 ni iwọn ila opin. Nigba lilo nipasẹ awọn alamọja ti oṣiṣẹ, dermoscopy jẹ iranlọwọ diẹ sii lati ṣe idanimọ awọn egbo buburu ju lilo oju ihoho nikan. Ayẹwo aisan jẹ nipasẹ biopsy ti eyikeyi ọgbẹ ara ti o ni awọn ami ti jijẹ alakan.

Itọju
#Mohs surgery

Dọkita rẹ le ṣeduro imunotherapy paapaa ti o ba ni ipele 3 tabi ipele 4 melanoma ti ko le yọ kuro pẹlu iṣẹ abẹ.
#Ipilimumab [Yervoy]
#Pembrolizumab [Keytruda]
#Nivolumab [Opdivo]
☆ Ninu awọn abajade 2022 Stiftung Warentest lati Jẹmánì, itẹlọrun alabara pẹlu ModelDerm jẹ kekere diẹ ju pẹlu awọn ijumọsọrọ telemedicine isanwo.
  • melanoma kan ti o to 2.5cm (inch 1) nipasẹ 1.5cm (0.6 inch)
  • Melanoma buburu - itan agbedemeji ọtun. Seborrheic keratosis le ṣe akiyesi bi ayẹwo iyatọ.
  • Malignant Melanoma in situ ― ejika iwaju. Botilẹjẹpe apẹrẹ ti ọgbẹ jẹ asymmetric, o ti ṣalaye daradara pẹlu paapaa awọ. Ni awọn ara ilu Esia, ọgbẹ wọnyi pupọ julọ wa bi lentigo ko dara, ṣugbọn biopsy yẹ ki o nilo ni awọn olugbe Oorun.
  • Melanoma ti o buruju ― Egbo ẹhin. Ni awọn ara ilu Asia, o jẹ ayẹwo julọ bi lentigo, ṣugbọn biopsy yẹ ki o ṣe ni awọn ara Iwọ-oorun.
  • Tobi acral lentiginous melanoma ― Ni awọn ara ilu Asia, acral melanoma lori ọpẹ ati atẹlẹsẹ jẹ wọpọ, lakoko ti awọn ara Iwọ-oorun, melanoma ni awọn agbegbe ti oorun han ni o wọpọ julọ.
  • Rirọ black plaque ti o yika ọgbẹ naa jẹ wiwa ti o wọpọ ni acral melanoma.
  • Aami dudu ti o ti yabo agbegbe matrix àlàfo ni ita àlàfo ṣe imọran ibajẹ.
  • Amelanotic melanoma labẹ eekanna jẹ iṣẹlẹ toje. Fun awọn eniyan agbalagba ti o ni awọn abawọn eekanna alaibamu, a le gbero biopsy kan lati ṣayẹwo fun melanoma mejeeji ati carcinoma cell squamous.
  • Nodular melanoma
  • Amelanotic Melanoma ― Ìtàn ẹ̀yìn. Awọn eniyan ti o ni awọ ododo nigbagbogbo ni ọgbẹ lightly pigmented or amelanotic melanomas. Ọran yii ko ṣe afihan awọn iyipada awọ ti a ṣe akiyesi ni irọrun tabi awọn iyatọ.
  • Scalp ― Ni awọn ara ilu Esia, iru awọn ọran bẹẹ ni a ṣe ayẹwo ni igbagbogbo bi lentigo ko dara (kii ṣe melanoma). Bibẹẹkọ, awọn abulẹ alawo nla lori awọn agbegbe ti oorun ti han nilo biopsy ni awọn olugbe Oorun.
  • Melanoma buburu - iwaju apa. Ọgbẹ naa ṣe afihan apẹrẹ asymmetric ati aala alaibamu.
  • Malignant Melanoma in situ ― Iwa-apa.
  • melanoma buburu ni aarin ẹhin. Iwaju patch ulcerated tọkasi boya melanoma tabi carcinoma cell basal cell.
  • Melanoma lori ẹsẹ. Apẹrẹ asymmetric ati awọ, ati iredodo ti o tẹle daba melanoma.
  • Acral melanoma - Àlàfo ni Asia. Patch dudu ti kii ṣe deede ti o kọja kọja awọ ara deede ni ayika àlàfo jẹ wiwa pataki ti o ni imọran aiṣedeede.
  • Botilẹjẹpe a ṣe ayẹwo ọran yii bi melanoma, wiwa wiwo jẹ diẹ sii si hematoma eekanna. Eekanna hematomas (ti ko dara) maa n parẹ laarin oṣu kan si meji bi wọn ti n jade. Nitorinaa, ti ọgbẹ naa ba wa fun igba pipẹ, melanoma le fura si ati pe o yẹ ki o ṣe biopsy kan.
  • Amelanotic nodular melanoma ― Ìfarahàn àjèjì ti melanoma.
References Malignant Melanoma 29262210 
NIH
A melanoma jẹ iru tumo ti o dagba nigbati awọn melanocytes di buburu. Melanocytes wa lati inu iṣan ti iṣan. Eyi tumọ si pe melanomas le dagbasoke kii ṣe lori awọ ara nikan ṣugbọn tun ni awọn aaye miiran nibiti awọn sẹẹli alakan ti nrin kiri, bii ikun ikun ati ọpọlọ. Awọn alaisan ti o ni ipele 0 melanoma ni oṣuwọn iwalaaye ọdun marun ti 97%, lakoko ti awọn ti o ni arun ipele IV ni iwọn nikan nipa 10%.
A melanoma is a tumor produced by the malignant transformation of melanocytes. Melanocytes are derived from the neural crest; consequently, melanomas, although they usually occur on the skin, can arise in other locations where neural crest cells migrate, such as the gastrointestinal tract and brain. The five-year relative survival rate for patients with stage 0 melanoma is 97%, compared with about 10% for those with stage IV disease.
 European consensus-based interdisciplinary guideline for melanoma. Part 1: Diagnostics: Update 2022 35570085
Cutaneous melanoma (CM) jẹ iru eewu ti o lewu pupọ ti tumọ awọ ara, lodidi fun 90% ti awọn iku alakan awọ. Lati koju eyi, awọn amoye lati the European Dermatology Forum (EDF) , the European Association of Dermato-Oncology (EADO) , and the European Organization for Research and Treatment of Cancer (EORTC) ti ṣe ifowosowopo.
Cutaneous melanoma (CM) is a highly dangerous type of skin tumor, responsible for 90% of skin cancer deaths. To address this, experts from the European Dermatology Forum (EDF), the European Association of Dermato-Oncology (EADO), and the European Organization for Research and Treatment of Cancer (EORTC) had collaborated.
 Immunotherapy in the Treatment of Metastatic Melanoma: Current Knowledge and Future Directions 32671117 
NIH
Melanoma, iru kan ti akàn ara, duro jade fun ibatan ti o sunmọ pẹlu eto ajẹsara. Eyi han gbangba lati iṣẹlẹ ti o pọ si ni awọn eniyan ti o ni awọn eto ajẹsara ailagbara, wiwa awọn sẹẹli ajẹsara ninu mejeeji awọn èèmọ atilẹba ati itankale wọn si awọn ẹya miiran ti ara, ati otitọ pe eto ajẹsara le ṣe idanimọ awọn ọlọjẹ kan ti a rii ninu awọn sẹẹli melanoma. Ni pataki, awọn itọju ti o ṣe igbelaruge eto ajẹsara ti han ileri ni ija melanoma. Lakoko ti lilo awọn itọju ailera-igbelaruge ni ṣiṣe itọju melanoma to ti ni ilọsiwaju jẹ idagbasoke aipẹ, iwadii aipẹ tọka pe apapọ awọn itọju ailera wọnyi pẹlu chemotherapy, radiotherapy, tabi awọn itọju molikula ti a fojusi le mu awọn abajade dara si. Sibẹsibẹ, iru imunotherapy le fa ọpọlọpọ awọn ipa ẹgbẹ ti o ni ibatan ajẹsara ti o ni ipa lori ọpọlọpọ awọn ara, eyiti o le dinku lilo rẹ. Wiwa iwaju, awọn isunmọ ọjọ iwaju fun atọju melanoma to ti ni ilọsiwaju le kan awọn itọju ti o fojusi awọn aaye ayẹwo ajẹsara kan pato bi PD1, tabi awọn oogun ti o dabaru pẹlu awọn ipa ọna molikula kan bi BRAF ati MEK.
Melanoma is one of the most immunologic malignancies based on its higher prevalence in immune-compromised patients, the evidence of brisk lymphocytic infiltrates in both primary tumors and metastases, the documented recognition of melanoma antigens by tumor-infiltrating T lymphocytes and, most important, evidence that melanoma responds to immunotherapy. The use of immunotherapy in the treatment of metastatic melanoma is a relatively late discovery for this malignancy. Recent studies have shown a significantly higher success rate with combination of immunotherapy and chemotherapy, radiotherapy, or targeted molecular therapy. Immunotherapy is associated to a panel of dysimmune toxicities called immune-related adverse events that can affect one or more organs and may limit its use. Future directions in the treatment of metastatic melanoma include immunotherapy with anti-PD1 antibodies or targeted therapy with BRAF and MEK inhibitors.