IMAGENS MÉDICAS
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Ac al Amelano ic Melanoma
Melanoma Amelanó ico Ac al
Ri a BOUCEIRO-MENDES1, Luís SOARES-DE-ALMEIDA1,2
Ac a Med Po 2021 34(AOP) ▪ h ps://doi.o g/10.20344/amp.13044
Keywo ds: Foo Diseases Melanoma, Amelano ic; Skin Neoplasms
Pala as-cha e: Doenças da Pele; Melanoma Amelanó ico; Neoplasias da Pele
1. Depa amen o de De ma ologia. Cen o Hospi ala Uni e si á io de Lisboa No e. Lisboa. Po ugal.
2. Ins i u o de Medicina Molecula . Faculdade de Medicina. Uni e sidade de Lisboa. Lisboa. Po ugal.
 Au o co esponden e: Ri a Boucei o Mendes. [email p o ec ed]
Recebido: 04 de no emb o de 2019 - Acei e: 07 de e e ei o de 2020 - Fi s published: 13 de ab il de 2021
Copy igh © O dem dos Médicos 2021
Figu e 1 – Ac al amelano ic melanoma
Ac al melanomas a e a e,1 ep esen ing 2% - 3% o all melanomas.2 Howe e , he a ali y a e is highe because o
delayed diagnosis.1-3 They a e mo e common on weigh -bea ing a eas o he oo 2,4,5 and a e equen ly amelano ic some-
imes mimicking ungal in ec ions, diabe ic oo ulce s o e en plan a wa s.1-3
A 66-yea -old woman was seen o a se en-mon h his o y o asymp oma ic and ulce a ed pink nodules, loca ed on he
le calcaneus. The lesions had de eloped spon aneously, and she was ecei ing wound ca e ea men o he las h ee
mon hs wi h no imp o emen . The his opa hological examina ion e ealed an ac al len iginous melanoma wi h a hickness
(B eslow) o 6 mm ex ending in o he subcu aneous issue (Cla k le el V), which was managed wi h su ge y and isola ed
limb pe usion (sen inel lymph node biopsy was posi i e wi h no o he e idence o dis an disease).
This case highligh s he impo ance o conside ing melanoma in he di e en ial diagnosis o non-healing ulce a ed oo
lesions. Su ge y is he de ini i e ea men o ea ly-s age disease while medical managemen is gene ally ese ed o
adju an ea men .2,3
REFERENCES
1. Cozzani E, Gaspa ini G, In e simone D, Ces a i R, Cioni M, Pa odi A. Amelano ic ac al melanoma mimicking a plan a wa . JAAD Case Rep. 2019;5:424-
6.
2. Can well P, Van Dam H. Ac al amelano icmelanoma mimicking a non-healing a e ial ulce . Case Rep De ma ol. 2019;11:77-81.
3. Muinonen-Ma in AJ, O’Shea SJ, New on-Bishop J. Amelano ic melanoma. BMJ. 2018;360:k826.
4. Cos ello CM, Pi elkow MR, Mangold AR. Ac al melanoma and mechanical s ess on he plan a su ace o he oo . N Engl J Med. 2017;377:395-6.
5. Wee E, Wol e R, McLean C, Kelly JW, Pan Y. Clinically amelano ic o hypomelano ic melanoma: ana omic dis ibu ion, isk ac o s, and su i al. J Am
Acad De ma ol. 2018;79:645-51.e4.
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